NPPES file of Aug 9, 2026

Vivian Gonzalez Mitchell, M.D.

Internal Medicine Physician · Boston, MA

Vivian Gonzalez Mitchell, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1447297064, issued on Jun 1, 2006. Check the license (Massachusetts 226342, 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
1447297064
Name
Vivian Gonzalez Mitchell
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
226342 MA
Self-reported in NPPES; status is on the state search
Practice location
15 Francis St, Boston, MA 02115
Phone
(617) 525-8282
Enumerated
Jun 1, 2006
Record last updated
Mar 13, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20061226000168); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2003
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 15 Francis St

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

  1. William Camann, MDAnesthesiology Physician1902887979
  2. Lynda ChichesterPhysician Assistant1760134928
  3. Claire Cutting, MDPulmonary Disease Physician1114424785
  4. Dawn Demeo, MDPulmonary Disease Physician1346206588
  5. Paul Dieffenbach, M.D.Critical Care Medicine (Internal Medicine) Physician1376717348
  6. Gary Epler, MDPulmonary Disease Physician1184680308

Verify Vivian Gonzalez Mitchell 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 226342
    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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52% more Medicare Part D claims than the average internal medicine physician in 2024

4,832 Medicare Part D claims for 445 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. 77 claims were for opioids.

  1. Vivian Mitchell4,832
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium399 claims
  2. Omeprazole182 claims
  3. Losartan Potassium171 claims
  4. Amlodipine Besylate152 claims
  5. Hydrochlorothiazide148 claims
  6. Rosuvastatin Calcium135 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

  1. Brigham And Womens Physicians Organization IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vivian Gonzalez Mitchell among 6,825 internal medicine physician records in Massachusetts

Vivian Gonzalez Mitchell, 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
  • Graduated2003 · median 2004 among the 4,103 with a school on file
  • Record last updated2008 · 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. Marcy Carty, MD, MPHBoston, MA 021151326038928
  2. Peter Doyle, M.D.Boston, MA 021151770573487
  3. Pracha Eamranond, M.D.Boston, MA 021151073501656
  4. Mark Friedberg, M.D.Boston, MA 021151437149184
  5. Jaye Hefner, MDBoston, MA 021151053384867
  6. Allen Kachalia, MD JDBoston, MA 021151346231982
  7. Daniel Kuritzkes, MDBoston, MA 021151114917416
  8. Sylvia McKean, MDBoston, MA 021151316938954

Common questions

What is Vivian Gonzalez Mitchell, M.D.'s NPI number?

Vivian Gonzalez Mitchell, M.D.'s National Provider Identifier (NPI) is 1447297064, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vivian Gonzalez Mitchell, M.D. located?

The NPPES record lists a practice address at 15 Francis St, Boston, MA, 02115. Phone: (617) 525-8282. Providers update this record themselves, so call before visiting.

How can I verify Vivian Gonzalez Mitchell, M.D.'s license?

NPPES lists Massachusetts license number 226342, 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 Vivian Gonzalez Mitchell, M.D. prescribe under Medicare Part D?

In 2024, Vivian Gonzalez Mitchell, M.D. had 4,832 Medicare Part D claims for 445 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.