David P. John, M.D.
Emergency Medicine Physician · Dorchester Center, MA
David P. John, M.D. is an emergency medicine physician with a practice address in Dorchester Center, Massachusetts, and NPI 1275506495, issued on Feb 8, 2006. Check the license (Massachusetts 234591, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David P. John
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 234591 MA
031181 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Dorchester Ave, Dorchester Center, MA 02124
- Phone
- (617) 506-4463
- Enumerated
- Feb 8, 2006
- Record last updated
- Nov 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 474-3891
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
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Verify David P. John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 234591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average emergency medicine physician in 2024
28 Medicare Part D claims for 20 beneficiaries, against an average of 226 among the 54,106 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 P. John among 1,829 emergency medicine physician records in Massachusetts
David P. John, M.D. is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2011 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 emergency medicine physician records list a practice address in Dorchester Center
They are 5 of the 173 NPPES records with a practice address in Dorchester Center, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Dorchester Center → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Steven Bellin, MDDorchester, MA 021241972561462
- Skye Brazille, M.D.Dorchester, MA 021241518209105
- Leslie Cioffi, MDDorchester, MA 021241235197732
- Serena Jiddou, D.O.Dorchester, MA 021241396056826
- Ryan O'HaraDorchester, MA 021241265810782
- Breckon Pav, M.D.Dorchester, MA 021241033431358
- Glen Sickorez, MDDorchester Center, MA 021241861445736
- Jennifer Skolnick, MDDorchester Center, MA 021241114975380
Common questions
What is David P. John, M.D.'s NPI number?
David P. John, M.D.'s National Provider Identifier (NPI) is 1275506495, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David P. John, M.D. located?
The NPPES record lists a practice address at 2100 Dorchester Ave, Dorchester Center, MA, 02124. Phone: (617) 506-4463. Providers update this record themselves, so call before visiting.
How can I verify David P. John, M.D.'s license?
NPPES lists Massachusetts license number 234591, 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 P. John, M.D. prescribe under Medicare Part D?
In 2024, David P. John, M.D. had 28 Medicare Part D claims for 20 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.