NPPES file of Aug 9, 2026

Tiffany Anne Kolniak, M.D.

Internal Medicine Physician · Framingham, MA

Tiffany Anne Kolniak, M.D. is an internal medicine physician with a practice address in Framingham, Massachusetts, and NPI 1780099473, issued on Jun 22, 2014. Check the license (Massachusetts 270199, 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
1780099473
Name
Tiffany Anne Kolniak
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
270199 MA
Self-reported in NPPES; status is on the state search
Practice location
85 Worcester RD, Framingham, MA 01701
Phone
(508) 532-0223
Enumerated
Jun 22, 2014
Record last updated
Nov 29, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170831002424); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 2014
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 85 Worcester RD

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

  1. Renee Goetzler, MDInternal Medicine Physician1134118508
  2. Seung Jae Lee, MDFamily Medicine Physician1700040516

Verify Tiffany Anne Kolniak 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 270199
    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

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6% more Medicare Part D claims than the average internal medicine physician in 2024

3,353 Medicare Part D claims for 371 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 53 claims were for opioids.

  1. Tiffany Kolniak3,353
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium339 claims
  2. Lisinopril197 claims
  3. Levothyroxine Sodium148 claims
  4. Amlodipine Besylate145 claims
  5. Simvastatin115 claims
  6. Losartan Potassium89 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. Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA

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

Tiffany Anne Kolniak among 6,825 internal medicine physician records in Massachusetts

Tiffany Anne Kolniak, 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 2014, is newer than 72% of them.

  • NPI issued2014 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2014 · median 2004 among the 4,103 with a school on file
  • Record last updated2017 · 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).

93 internal medicine physician records list a practice address in Framingham

They are 93 of the 3,069 NPPES records with a practice address in Framingham, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Abdul Bhat, MDFramingham, MA 017011932169463
  2. Alla Bolkhovsky, M.D.Framingham, MA 017011164457099
  3. Michael Cooper, M.D.Framingham, MA 017011588682710
  4. Christian Correia, M.D.Framingham, MA 017011104866631
  5. Ana Espila Navarro, M.D.Framingham, MA 017011477717916
  6. Renee Goetzler, MDFramingham, MA 017011134118508
  7. Wendy Gray, M.D.Framingham, MA 017011003026238
  8. Matthias Nurnberger, M.D.Framingham, MA 017011982651774

Common questions

What is Tiffany Anne Kolniak, M.D.'s NPI number?

Tiffany Anne Kolniak, M.D.'s National Provider Identifier (NPI) is 1780099473, issued on Jun 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Tiffany Anne Kolniak, M.D. located?

The NPPES record lists a practice address at 85 Worcester RD, Framingham, MA, 01701. Phone: (508) 532-0223. Providers update this record themselves, so call before visiting.

How can I verify Tiffany Anne Kolniak, M.D.'s license?

NPPES lists Massachusetts license number 270199, 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 Tiffany Anne Kolniak, M.D. prescribe under Medicare Part D?

In 2024, Tiffany Anne Kolniak, M.D. had 3,353 Medicare Part D claims for 371 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.