Byron M. Thomashow, MD
Pulmonary Disease Physician · New York, NY
Byron M. Thomashow, MD is a pulmonary disease physician with a practice address in New York, New York, and NPI 1104910421, issued on Oct 3, 2006. Check the license (New York 124229, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Byron M. Thomashow
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 124229 NY
Self-reported in NPPES; status is on the state search - Practice location
- 161 Fort Washington Ave, New York, NY 10032
- Phone
- (212) 305-5261
- Enumerated
- Oct 3, 2006
- Record last updated
- May 9, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (212) 342-1856
- Medicare enrollment
- Enrolled (PECOS I20110207000818); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1974
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,230 in New York → Look up another NPI →
Also registered at 161 Fort Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maura Abbott, NP, PHDNurse Practitioner1881876415
- Alexey Abramov, M.D.Student in an Organized Health Care Education/Training Program1063874519
- Julian Abrams, M.D.Gastroenterology Physician1669494746
- Alex Addo, MDSurgery Physician1841685054
- Aradhna AgarwalRheumatology Physician1669009312
- Christopher Ahmad, MDOrthopaedic Surgery Physician1598795445
Verify Byron M. Thomashow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 124229Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
140 Medicare Part D claims for 33 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Fluticasone Propionate19 claims
- Trelegy Ellipta19 claims
- Albuterol Sulfate Hfa17 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.
Bills Medicare through one group practice
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Byron M. Thomashow among 1,230 pulmonary disease physician records in New York
Byron M. Thomashow, MD is one of 1,230 pulmonary disease physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1974 · median 1999 among the 943 with a school on file
- Record last updated2017 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in New York
There are 1,230 pulmonary disease physician records in New York.
All 1,230 in New York → Every provider in New York → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Selim Arcasoy, M.D.New York, NY 100321952488256
- Frank Babb, M.D.,New York, NY 100321982745832
- Robert Basner, MDNew York, NY 100321205911385
- Jeanine D'Armiento, M.D.New York, NY 100321972663482
- Angela Dimango, M.D.New York, NY 100321720165400
- Emily Dimango, M.D.New York, NY 100321407933195
- Christine Garcia, MD PHDNew York, NY 100321790715274
- Richard Goldstein, MDNew York, NY 100321639189939
Common questions
What is Byron M. Thomashow, MD's NPI number?
Byron M. Thomashow, MD's National Provider Identifier (NPI) is 1104910421, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Byron M. Thomashow, MD located?
The NPPES record lists a practice address at 161 Fort Washington Ave, New York, NY, 10032. Phone: (212) 305-5261. Providers update this record themselves, so call before visiting.
How can I verify Byron M. Thomashow, MD's license?
NPPES lists New York license number 124229, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Byron M. Thomashow, MD prescribe under Medicare Part D?
In 2024, Byron M. Thomashow, MD had 140 Medicare Part D claims for 33 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.