The 3 Best Allergists in Lebanon, NH
Board-certified allergy & asthma specialists practicing in Lebanon.
If over-the-counter antihistamines stopped working, or your symptoms run for months instead of weeks, a board-certified allergist-immunologist can test what you actually react to and treat the cause. That includes immunotherapy, which lowers your sensitivity over three to five years. Our editors picked the 3 specialists below from the wider New Hampshire list based on board certification, hospital and academic affiliations, and peer recognition.
Allergists in Lebanon at a Glance
- Specialists listed:
- 3, all board-certified in Allergy & Immunology
- Areas covered:
- Lebanon
- Practices:
- Dartmouth Health
- Local pollen season:
- The Upper Valley runs late and short. Birch, oak, and maple peak in May, grass follows in June, and ragweed goes from mid-August to a first hard frost that often arrives in late September.
Compare Lebanon Allergists
| Allergist | Practice | Location | Known for |
|---|---|---|---|
| Marcus S. Shaker, MD | Dartmouth Health / Dartmouth-Hitchcock Medical Center | Lebanon, NH | Food allergy, Oral immunotherapy, Asthma |
| Karen Hsu Blatman, MD | Dartmouth Health / Dartmouth-Hitchcock Medical Center | Lebanon, NH | Asthma, Drug allergy, Clinical immunology |
| Erin L. Reigh, MD | Dartmouth Health / Dartmouth-Hitchcock Medical Center | Lebanon, NH | Drug allergy, Penicillin allergy evaluation, Immune deficiency |
- 1
Marcus S. Shaker, MD
Dartmouth Health / Dartmouth-Hitchcock Medical Center
Lebanon, NH
Board-certified in Allergy & ImmunologyFellow of the AAAAI (FAAAAI)Dr. Shaker is a Professor of Pediatrics and of Medicine at Dartmouth's Geisel School of Medicine and a member of the Board of Directors of the AAAAI. He developed New Hampshire and Vermont's first and only food oral immunotherapy program, serves as Associate Editor of Annals of Allergy, Asthma, and Immunology, and has authored over 150 articles and clinical guidelines. He joined the Geisel faculty in 2004.
Areas of focus: Food allergy · Oral immunotherapy · Asthma · Value-based allergy care
Visit practice website → - 2
Karen Hsu Blatman, MD
Dartmouth Health / Dartmouth-Hitchcock Medical Center
Lebanon, NH
Board-certified in Allergy & ImmunologyDr. Hsu Blatman is Section Chief of Allergy and Clinical Immunology at Dartmouth-Hitchcock Medical Center and Program Director for the Allergy and Immunology fellowship, as well as an Assistant Professor of Medicine at the Geisel School of Medicine. She received her MD from the University of Iowa College of Medicine and completed her Allergy and Clinical Immunology fellowship at Northwestern University Medical School.
Areas of focus: Asthma · Drug allergy · Clinical immunology · Immunotherapy
Visit practice website → - 3
Erin L. Reigh, MD
Dartmouth Health / Dartmouth-Hitchcock Medical Center
Lebanon, NH
Board-certified in Allergy & ImmunologyDr. Reigh is an Assistant Professor of Medicine at the Geisel School of Medicine and has been on the Dartmouth Health allergy faculty since 2016. She received her medical degree from Georgetown University and completed her Allergy & Clinical Immunology fellowship at Washington University in St. Louis. She is nationally recognized for penicillin allergy de-labeling quality improvement initiatives and is the creator of the educational cartoon series "Marginal Zone" published monthly in Annals of Allergy, Asthma & Immunology.
Areas of focus: Drug allergy · Penicillin allergy evaluation · Immune deficiency · Pollen monitoring
Visit practice website →
Allergy Season in Lebanon
The Upper Valley runs late and short. Birch, oak, and maple peak in May, grass follows in June, and ragweed goes from mid-August to a first hard frost that often arrives in late September.
Bring dates to your appointment. An allergist can narrow the list of suspects much faster when you can say “this started the second week of April” and match it against what was actually in the air.
- Today's pollen count in Lebanon for tree, grass, and weed levels plus a 5-day forecast
- Lebanon air quality for ozone and particle pollution, which make pollen symptoms worse
How We Picked These Lebanon Allergists
Our editorial team reviewed allergy and immunology specialists practicing across the Upper Valley and selected these 3 on:
- Board certification in Allergy & Immunology (ABAI)
- Hospital and academic affiliations with respected medical centers
- Peer recognition, including Top Doctor awards and professional society roles
- Practice reputation and years treating allergy and asthma patients
- Coverage across the metro, so the list is not all one hospital system
These listings are editorial picks, not paid placements or medical endorsements, and we have no financial relationship with any provider listed. Availability, insurance participation, and credentials change. Verify directly with the practice before booking. This page is for informational purposes and is not medical advice.
Frequently Asked Questions
Who are the best allergists in Lebanon?
Our editors picked 3 board-certified allergist-immunologists practicing in the Upper Valley: Marcus S. Shaker, MD at Dartmouth Health / Dartmouth-Hitchcock Medical Center in Lebanon; Karen Hsu Blatman, MD at Dartmouth Health / Dartmouth-Hitchcock Medical Center in Lebanon; Erin L. Reigh, MD at Dartmouth Health / Dartmouth-Hitchcock Medical Center in Lebanon. All are board-certified in Allergy & Immunology.
When is allergy season in Lebanon?
The Upper Valley runs late and short. Birch, oak, and maple peak in May, grass follows in June, and ragweed goes from mid-August to a first hard frost that often arrives in late September.
See today's pollen count in Lebanon →Do I need a referral to see an allergist in Lebanon?
That depends on your insurance plan, not your city. Most PPO plans let you book straight with an allergist. HMO plans usually want a referral from your primary care doctor first. Call the practice or your insurer before you book.
How much does an allergist visit cost in Lebanon?
A first visit with a specialist typically runs $150 to $300 without insurance, and skin testing for a panel of environmental allergens usually adds $200 to $1,000 depending on how many allergens are tested. With insurance you pay your specialist copay, though testing is often billed separately. Ask the office for a cost estimate and their billing codes when you book.
What should I bring to my first allergist appointment?
Bring a list of your symptoms and the dates they flared, every medication you take including over-the-counter ones, your insurance card, and any past test results. Stop antihistamines 5 to 7 days before skin testing, since they can blunt the results. Confirm the exact timing with the office.
Check Lebanon pollen levels to match your flare dates →Are these Lebanon allergists accepting new patients?
That changes month to month, so call the practice to check. These are editorial picks, not paid placements, and we have no financial relationship with any provider listed. Verify current credentials, availability, and insurance participation directly with the office before you book.
Allergists in Nearby Cities
Before You Call
Start a symptom log this week. Note the day, what you felt, and what the pollen count was. Two or three weeks of that turns a vague “my allergies are bad” into something an allergist can work from.
- Check Lebanon pollen levels today
- See all New Hampshire allergists
- Read our allergy guides on symptoms, seasons, and relief