David Anton Posawatz, MD
Surgery Physician · Boston, MA
David Anton Posawatz, MD is a surgery physician with a practice address in Boston, Massachusetts, and NPI 1902666068, issued on Mar 19, 2024. Check the license (Massachusetts 3016557, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Anton Posawatz
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 3016557 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Boston Medical Ctr PL Ste 1, Boston, MA 02118
- Phone
- (617) 638-8000
- Enumerated
- Mar 19, 2024
- Record last updated
- Jul 2, 2024
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,003 in Massachusetts → Look up another NPI →
Also registered at 1 Boston Medical Ctr PL Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Anton Posawatz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 3016557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average surgery physician in 2024
22 Medicare Part D claims for 12 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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.
David Anton Posawatz among 1,003 surgery physician records in Massachusetts
David Anton Posawatz, MD is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 94% of them.
- NPI issued2024 · 94% of these records are older, 5% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2024 · 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 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
443 surgery physician records list a practice address in Boston
They are 443 of the 41,865 NPPES records with a practice address in Boston, and 1,003 surgery physician records in Massachusetts.
All 1,003 in Massachusetts → Every provider in Boston → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- James Becker, M.D.Boston, MA 021181760441059
- Morgan Bresnick, M.D.Boston, MA 021181346409398
- Brian Carmine, MDBoston, MA 021181538335880
- Pericles Chrysoheris, M.D.Boston, MA 021181922275676
- Jeffrey Cooper, M.D.Boston, MA 021181760417844
- Richard Dennis, M.D.Boston, MA 021181609839729
- Frederick Drake, M.D.Boston, MA 021181285880294
- Melanie Gainsbury, M.D.Boston, MA 021181609041904
Common questions
What is David Anton Posawatz, MD's NPI number?
David Anton Posawatz, MD's National Provider Identifier (NPI) is 1902666068, issued on Mar 19, 2024. An NPI identifies a provider in billing; it is not a license.
Where is David Anton Posawatz, MD located?
The NPPES record lists a practice address at 1 Boston Medical Ctr PL Ste 1, Boston, MA, 02118. Phone: (617) 638-8000. Providers update this record themselves, so call before visiting.
How can I verify David Anton Posawatz, MD's license?
NPPES lists Massachusetts license number 3016557, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Anton Posawatz, MD prescribe under Medicare Part D?
In 2024, David Anton Posawatz, MD had 22 Medicare Part D claims for 12 beneficiaries; the average among surgery physician prescribers was 147. 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.