NPPES file of Aug 9, 2026

Tatiana Slavsky, M.D.

Internal Medicine Physician · Somerville, MA

Tatiana Slavsky, M.D. is an internal medicine physician with a practice address in Somerville, Massachusetts, and NPI 1124060736, issued on Jun 11, 2006. Check the license (Massachusetts 80074, 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
1124060736
Name
Tatiana Slavsky
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
80074 MA
Self-reported in NPPES; status is on the state search
Practice location
40 Holland St, Somerville, MA 02144
Phone
(617) 629-6350
Enumerated
Jun 11, 2006
Record last updated
Mar 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(617) 629-6067
Medicaid ID
3144437 MA
Medicare enrollment
Enrolled (PECOS I20050707000567); accepts Medicare assignment
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 40 Holland St

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

  1. Hala Ali Ibrahim, MDPediatrics Physician1902469877
  2. Carole Allen, M.D.Pediatrics Physician1275518235
  3. Andrew Angel, M.D.Internal Medicine Physician1417927724
  4. Dolly Arjun, PA-CPediatrics Physician1376924738
  5. Jill Ashcraft, DPMFoot & Ankle Surgery Podiatrist1316205909
  6. Rachel Berger, M.D.Internal Medicine Physician1326019456

Verify Tatiana Slavsky 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 80074
    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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74% fewer Medicare Part D claims than the average internal medicine physician in 2024

819 Medicare Part D claims for 441 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 63 claims were for opioids.

  1. Tatiana Slavsky819
  2. Specialty average3,176

Most prescribed

  1. Gabapentin57 claims
  2. Trazodone Hcl38 claims
  3. Amlodipine Besylate27 claims
  4. Atorvastatin Calcium26 claims
  5. Eliquis26 claims
  6. Clonazepam24 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.

Tatiana Slavsky among 6,825 internal medicine physician records in Massachusetts

Tatiana Slavsky, 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
  • Graduated1978 · median 2004 among the 4,103 with a school on file
  • 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).

36 internal medicine physician records list a practice address in Somerville

They are 36 of the 1,860 NPPES records with a practice address in Somerville, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Andrew Angel, M.D.Somerville, MA 021441417927724
  2. Rachel Berger, M.D.Somerville, MA 021441326019456
  3. Elisa Choi, M.D.Somerville, MA 021441942268362
  4. Eleanor Hobbs, M.D.Somerville, MA 021441912975046
  5. Gregory Johnson, MDSomerville, MA 021441942213509
  6. Kavita Ketwaroo, M.D.Somerville, MA 021441457614356
  7. James Liu, M.D.Somerville, MA 021441114983533
  8. Manuela Matei, M.D.Somerville, MA 021441467404475

Common questions

What is Tatiana Slavsky, M.D.'s NPI number?

Tatiana Slavsky, M.D.'s National Provider Identifier (NPI) is 1124060736, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tatiana Slavsky, M.D. located?

The NPPES record lists a practice address at 40 Holland St, Somerville, MA, 02144. Phone: (617) 629-6350. Providers update this record themselves, so call before visiting.

How can I verify Tatiana Slavsky, M.D.'s license?

NPPES lists Massachusetts license number 80074, 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 Tatiana Slavsky, M.D. prescribe under Medicare Part D?

In 2024, Tatiana Slavsky, M.D. had 819 Medicare Part D claims for 441 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.