NPPES file of Aug 9, 2026

Colin Tkatch, MD

Internal Medicine Physician · Pittsburgh, PA

Colin Tkatch, MD is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1912467531, issued on Mar 20, 2019. Check the license (Pennsylvania MD483677, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1912467531
Name
Colin Tkatch
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD483677 PA
A208366 CA
35.150343 OH
Self-reported in NPPES; status is on the state search
Practice location
3601 5TH Ave Bldg Suite700, Pittsburgh, PA 15213
Phone
(412) 647-7228
Enumerated
Mar 20, 2019
Record last updated
May 18, 2026
Medicare enrollment
Enrolled (PECOS I20240806002649); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2019
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 3601 5TH Ave Bldg Suite700

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

  1. Tessa Barclay, MDPediatric Infectious Diseases Physician1699237651
  2. Akash Gupta, MDInfectious Disease Physician1942681457
  3. Christian PerezInfectious Disease Physician1881985695
  4. Kathleen Tompkins, M.D.Infectious Disease Physician1962896159
  5. Alex Trzebucki, MDInfectious Disease Physician1114269594
  6. Booth Wainscoat, DOInfectious Disease Physician1699707141

Verify Colin Tkatch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD483677
    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 Pennsylvania 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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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

118 Medicare Part D claims for 25 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Colin Tkatch118
  2. Specialty average3,176

Most prescribed

  1. Biktarvy21 claims
  2. Doxycycline Hyclate19 claims
  3. Cefazolin Sodium12 claims
  4. Descovy11 claims
  5. Tivicay11 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 4 group practices

  1. Licking Memorial Health ProfessionalsNewark, OH
  2. Rutland Hospital, Inc.Rutland, VT
  3. Trinity WestSteubenville, OH
  4. University OF Pittsburgh PhysiciansGreenville, PA

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

Colin Tkatch among 7,300 internal medicine physician records in Pennsylvania

Colin Tkatch, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 74% of them.

  • NPI issued2019 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2019 · median 2008 among the 4,208 with a school on file
  • Record last updated2026 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

750 internal medicine physician records list a practice address in Pittsburgh

They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ellen Berne, MDPittsburgh, PA 152131528033321
  2. Peter BulovaPittsburgh, PA 152131912979956
  3. Gregory Bump, MDPittsburgh, PA 152131437190261
  4. Mark Duca, MDPittsburgh, PA 152131023081445
  5. Kristian Feterik, MDPittsburgh, PA 152131437113529
  6. Rosanne Granieri, MDPittsburgh, PA 152131629041512
  7. Jaishree HariharanPittsburgh, PA 152131700837531
  8. Keith Lagnese, MDPittsburgh, PA 152131801859509

Common questions

What is Colin Tkatch, MD's NPI number?

Colin Tkatch, MD's National Provider Identifier (NPI) is 1912467531, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Colin Tkatch, MD located?

The NPPES record lists a practice address at 3601 5TH Ave Bldg Suite700, Pittsburgh, PA, 15213. Phone: (412) 647-7228. Providers update this record themselves, so call before visiting.

How can I verify Colin Tkatch, MD's license?

NPPES lists Pennsylvania license number MD483677, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Colin Tkatch, MD prescribe under Medicare Part D?

In 2024, Colin Tkatch, MD had 118 Medicare Part D claims for 25 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.