Karen S. Hsu Blatman, MD
Allergy & Immunology Physician · Lebanon, NH
Karen S. Hsu Blatman, MD is an allergy & immunology physician with a practice address in Lebanon, New Hampshire, and NPI 1649484189, issued on May 10, 2007. Check the license (New Hampshire 20014, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen S. Hsu Blatman
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 20014 NH
036120709 IL
244384 MA
Self-reported in NPPES; status is on the state search - Practice location
- One Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 653-9885
- Enumerated
- May 10, 2007
- Record last updated
- Oct 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191113002268); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 14 in New Hampshire → Look up another NPI →
Also registered at One Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christine Anzalone, DODiagnostic Radiology Physician1740629120
- Daniel Austin, MDAdult Reconstructive Orthopaedic Surgery Physician1730599648
- Jonathan Bailey, CRNACertified Registered Nurse Anesthetist1407431307
- Andrew Banuskevich, PAPhysician Assistant1730776550
Verify Karen S. Hsu Blatman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 20014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
400 Medicare Part D claims for 80 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Xolair69 claims
- Montelukast Sodium37 claims
- Epinephrine32 claims
- Levocetirizine Dihydrochloride24 claims
- Budesonide-Formoterol Fumarate17 claims
- Breo Ellipta16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $15.93
1 payment: education; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospitals3 of 5 stars
- Dartmouth-Hitchcock ClinicLebanon, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Karen S. Hsu Blatman among 14 allergy & immunology physician records in New Hampshire
Karen S. Hsu Blatman, MD is one of 14 allergy & immunology physician records with a practice address in New Hampshire. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 57% of them.
- NPI issued2007 · 57% of these records are older, 29% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Record last updated2019 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in New Hampshire
There are 14 allergy & immunology physician records in New Hampshire.
All 14 in New Hampshire → Every provider in Lebanon → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- David Goodman, MDLebanon, NH 037561134232374
- An Huynh, MDLebanon, NH 037561467958652
- Anne Miranowski, M.D.Lebanon, NH 037561760536031
- Susan Mozzicato, M.D., M.H.S.Lebanon, NH 037561730352170
- Erin Reigh, MDLebanon, NH 037561912291337
- Donald Woodmansee, M.D.Lebanon, NH 037561144268624
- Mark Windt, M.D.North Hampton, NH 038621689625600
- Ashok Shah, MDRochester, NH 038671902894165
Common questions
What is Karen S. Hsu Blatman, MD's NPI number?
Karen S. Hsu Blatman, MD's National Provider Identifier (NPI) is 1649484189, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen S. Hsu Blatman, MD located?
The NPPES record lists a practice address at One Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 653-9885. Providers update this record themselves, so call before visiting.
How can I verify Karen S. Hsu Blatman, MD's license?
NPPES lists New Hampshire license number 20014, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen S. Hsu Blatman, MD prescribe under Medicare Part D?
In 2024, Karen S. Hsu Blatman, MD had 400 Medicare Part D claims for 80 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.