Marc Emmerich, M.D.
Internal Medicine Physician · Boston, MA
Marc Emmerich, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1033292636, issued on Oct 24, 2006. Check the license (Massachusetts 59320, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Marc Emmerich
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 59320 MA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Northampton Street, Boston, MA 02118
- Phone
- (617) 433-9601
- Enumerated
- Oct 24, 2006
- Record last updated
- Oct 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (617) 445-6538
- Medicaid ID
- 3082865 MA
- Medicare enrollment
- Enrolled (PECOS I20050119000935); accepts Medicare assignment
- 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 30 Northampton Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ann Castle, R.N.Psychiatric/Mental Health Registered Nurse1083644256
- Lourdnie Cherisol, N.P.Family Nurse Practitioner1982030839
- Jiyin Chou, N.P.Gerontology Nurse Practitioner1689807786
Verify Marc Emmerich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 59320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,575 Medicare Part D claims for 161 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 107 claims were for opioids.
Most prescribed
- Atorvastatin Calcium290 claims
- Omeprazole172 claims
- Lisinopril170 claims
- Levothyroxine Sodium150 claims
- Metoprolol Succinate146 claims
- Albuterol Sulfate Hfa140 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
- Bostons Community Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Emmerich among 6,825 internal medicine physician records in Massachusetts
Marc Emmerich, 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
- Graduated1985 · median 2004 among the 4,103 with a school on file
- Record last updated2015 · 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
- Daniel Alford, M.D., M.P.H.Boston, MA 021181194708628
- Lori Balestrero, MDBoston, MA 021181750384046
- Virginia Barrow, M.D.Boston, MA 021181639175466
- Monica Bharel, MDBoston, MA 021181093798084
- Claire Carlo, M.D.Boston, MA 021181336125871
- Chava Chapman, M.D., M.P.H.Boston, MA 021181558346239
- Paul Fallon, MDBoston, MA 021181437145927
- Irene Gavras, M.D.Boston, MA 021181619953601
Common questions
What is Marc Emmerich, M.D.'s NPI number?
Marc Emmerich, M.D.'s National Provider Identifier (NPI) is 1033292636, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Emmerich, M.D. located?
The NPPES record lists a practice address at 30 Northampton Street, Boston, MA, 02118. Phone: (617) 433-9601. Providers update this record themselves, so call before visiting.
How can I verify Marc Emmerich, M.D.'s license?
NPPES lists Massachusetts license number 59320, 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 Marc Emmerich, M.D. prescribe under Medicare Part D?
In 2024, Marc Emmerich, M.D. had 6,575 Medicare Part D claims for 161 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.