John P. Doweiko, M.D.
Internal Medicine Physician · Boston, MA
John P. Doweiko, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1780799585, issued on Aug 20, 2006. Check the license (Massachusetts 55600, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John P. Doweiko
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 55600 MA
Self-reported in NPPES; status is on the state search - Practice location
- 110 Francis St, Boston, MA 02215
- Phone
- (617) 632-0760
- Enumerated
- Aug 20, 2006
- Record last updated
- May 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050426001084); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 110 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John P. Doweiko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 55600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,279 Medicare Part D claims for 658 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 519 claims were for opioids.
Most prescribed
- Amlodipine Besylate461 claims
- Atorvastatin Calcium405 claims
- Lisinopril329 claims
- Biktarvy318 claims
- Lorazepam287 claims
- Rosuvastatin Calcium272 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: $16.78
1 payment: food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 2 group practices
- Beth Israel Deaconess Medical Center IncBoston, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Doweiko among 6,825 internal medicine physician records in Massachusetts
John P. Doweiko, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1984 · median 2004 among the 4,103 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Boswell, M.D.Boston, MA 022151477541217
- Jennifer Cluett, MDBoston, MA 022151962491183
- Jan Cook, M.D.Boston, MA 022151437152139
- Rachel Freedman, M.D.Boston, MA 022151942297189
- Joseph Gesmundo, MDBoston, MA 022151891785069
- Alex Gonzalez, MD, MPHBoston, MA 022151134101629
- Scott Harris, MDBoston, MA 022151871581694
- Joseph Li, M.D.Boston, MA 022151043209380
Common questions
What is John P. Doweiko, M.D.'s NPI number?
John P. Doweiko, M.D.'s National Provider Identifier (NPI) is 1780799585, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Doweiko, M.D. located?
The NPPES record lists a practice address at 110 Francis St, Boston, MA, 02215. Phone: (617) 632-0760. Providers update this record themselves, so call before visiting.
How can I verify John P. Doweiko, M.D.'s license?
NPPES lists Massachusetts license number 55600, 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 John P. Doweiko, M.D. prescribe under Medicare Part D?
In 2024, John P. Doweiko, M.D. had 11,279 Medicare Part D claims for 658 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.