NPPES file of Aug 9, 2026

Julia Marie Berg, MD

Internal Medicine Physician · Boston, MA

Julia Marie Berg, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1003300765, issued on Jun 17, 2018. Check the license (Massachusetts 286311, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003300765
Name
Julia Marie Berg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
286311 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave, Boston, MA 02215
Phone
(617) 667-7000
Enumerated
Jun 17, 2018
Record last updated
Oct 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 330 Brookline Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amtul Aala, MDNephrology Physician1174946347
  2. Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
  3. Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
  4. Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
  5. Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
  6. Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760

Verify Julia Marie Berg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 286311
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

203 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 16 claims were for opioids.

  1. Julia Berg203
  2. Specialty average3,176

Most prescribed

  1. Ondansetron Odt16 claims
  2. Imatinib Mesylate13 claims
  3. Orgovyx13 claims
  4. Dexamethasone12 claims
  5. Oxycodone Hcl12 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.

Julia Marie Berg among 6,825 internal medicine physician records in Massachusetts

Julia Marie Berg, MD 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 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2021 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stephen Boswell, M.D.Boston, MA 022151477541217
  2. Jennifer Cluett, MDBoston, MA 022151962491183
  3. Jan Cook, M.D.Boston, MA 022151437152139
  4. Rachel Freedman, M.D.Boston, MA 022151942297189
  5. Joseph Gesmundo, MDBoston, MA 022151891785069
  6. Alex Gonzalez, MD, MPHBoston, MA 022151134101629
  7. Scott Harris, MDBoston, MA 022151871581694
  8. Joseph Li, M.D.Boston, MA 022151043209380

Common questions

What is Julia Marie Berg, MD's NPI number?

Julia Marie Berg, MD's National Provider Identifier (NPI) is 1003300765, issued on Jun 17, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Julia Marie Berg, MD located?

The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.

How can I verify Julia Marie Berg, MD's license?

NPPES lists Massachusetts license number 286311, 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 Julia Marie Berg, MD prescribe under Medicare Part D?

In 2024, Julia Marie Berg, MD had 203 Medicare Part D claims for 46 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.