Justin Seth Holtzman, M.D.
Internal Medicine Physician · Brookline, MA
Justin Seth Holtzman, M.D. is an internal medicine physician with a practice address in Brookline, Massachusetts, and NPI 1669769501, issued on Jun 29, 2011. Check the license (Massachusetts 257451, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Justin Seth Holtzman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 257451 MA
295944 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1180 Beacon St Ste 6B, Brookline, MA 02446
- Phone
- (781) 770-4064
- Enumerated
- Jun 29, 2011
- Record last updated
- Jan 3, 2024
- Medicare enrollment
- Enrolled (PECOS I20190202000035); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1180 Beacon St Ste 6B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Casey, FNP-BCFamily Nurse Practitioner1619860566
- Jeffrey Lucak, PA-CPhysician Assistant1366791733
- Shrinkhala Swaroop, RN, FNP-CPrimary Care Nurse Practitioner1457196651
- Gary Trey, M.D.Gastroenterology Physician1508853417
Verify Justin Seth Holtzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 257451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,602 Medicare Part D claims for 234 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 91 claims were for opioids.
Most prescribed
- Atorvastatin Calcium108 claims
- Gabapentin80 claims
- Oxycodone Hcl65 claims
- Metoprolol Succinate63 claims
- Levothyroxine Sodium54 claims
- Amlodipine Besylate50 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: $963.84
40 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
3 hospitals and group practices
- Fairview HospitalGreat Barrington, MA · Critical Access Hospitals5 of 5 stars
- Holtzman Medical Group, LLCWeymouth, MA
- Mary Imogene Bassett HospitalLittle Falls, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
57 internal medicine physician records list a practice address in Brookline
They are 57 of the 2,357 NPPES records with a practice address in Brookline, and 6,825 internal medicine physician records in Massachusetts.
All 57 in Brookline → All 6,825 in Massachusetts → Every provider in Brookline →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Nathan Abare, MDSpringfield, MA1386852747
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Justin Seth Holtzman, M.D.'s NPI number?
Justin Seth Holtzman, M.D.'s National Provider Identifier (NPI) is 1669769501, issued on Jun 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Justin Seth Holtzman, M.D. located?
The NPPES record lists a practice address at 1180 Beacon St Ste 6B, Brookline, MA, 02446. Phone: (781) 770-4064. Providers update this record themselves, so call before visiting.
How can I verify Justin Seth Holtzman, M.D.'s license?
NPPES lists Massachusetts license number 257451, 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 Justin Seth Holtzman, M.D. prescribe under Medicare Part D?
In 2024, Justin Seth Holtzman, M.D. had 1,602 Medicare Part D claims for 234 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.