Nathan Petrou
Internal Medicine Physician · Norwood, MA
Nathan Petrou is an internal medicine physician with a practice address in Norwood, Massachusetts, and NPI 1437786100, issued on Mar 24, 2020. Check the license (Massachusetts 1014906, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathan Petrou
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1014906 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1177 Boston Providence Tpke, Norwood, MA 02062
- Phone
- (781) 278-5540
- Enumerated
- Mar 24, 2020
- Record last updated
- Jul 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20230523002438); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2020
- 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 1177 Boston Providence Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Neil Birnbaum, MDInternal Medicine Physician1659378628
- John Chisholm, D.O.Internal Medicine Physician1639291792
- Peggy Chou, MDInternal Medicine Physician1528056520
- Christopher Colozzo, PA-CPhysician Assistant1851664429
- Michele Coviello, MDInternal Medicine Physician1558441105
- David Dildine, MDFamily Medicine Physician1508094772
Verify Nathan Petrou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1014906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,681 Medicare Part D claims for 301 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium137 claims
- Amlodipine Besylate71 claims
- Levothyroxine Sodium69 claims
- Lisinopril67 claims
- Gabapentin61 claims
- Omeprazole58 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
- Atrius Health IncNorwood, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Petrou among 6,825 internal medicine physician records in Massachusetts
Nathan Petrou 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 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2004 among the 4,103 with a school on file
- Record last updated2023 · 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).
32 internal medicine physician records list a practice address in Norwood
They are 32 of the 1,175 NPPES records with a practice address in Norwood, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Norwood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sung Anderson, MDNorwood, MA 020621891793766
- Neil Birnbaum, MDNorwood, MA 020621659378628
- Peggy Chou, MDNorwood, MA 020621528056520
- James Demicco, MDNorwood, MA 020621629020433
- Abdulfatah Elshaar, M.D.Norwood, MA 020621821045550
- Mohammad Farivar, M.D.Norwood, MA 020621831136845
- Marilyn Kim, M.D.Norwood, MA 020621003813536
- Jonathan Kolodny, M.D.Norwood, MA 020621649277674
Common questions
What is Nathan Petrou's NPI number?
Nathan Petrou's National Provider Identifier (NPI) is 1437786100, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Petrou located?
The NPPES record lists a practice address at 1177 Boston Providence Tpke, Norwood, MA, 02062. Phone: (781) 278-5540. Providers update this record themselves, so call before visiting.
How can I verify Nathan Petrou's license?
NPPES lists Massachusetts license number 1014906, 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 Nathan Petrou prescribe under Medicare Part D?
In 2024, Nathan Petrou had 1,681 Medicare Part D claims for 301 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.