Anna Nanigian Witt, M.D.
Infectious Disease Physician · Pittsburgh, PA
Anna Nanigian Witt, M.D. is an infectious disease physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1770015042, issued on Mar 28, 2017. Check the license (Pennsylvania 480770, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Anna Nanigian Witt
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 480770 PA
46361 AL
E-13020 AR
A-167154 CA
MD2023-1056 NM
and 2 more
Self-reported in NPPES; status is on the state search - Practice location
- 3601 5TH Ave, Falk Clinic, Suite 700, Pittsburgh, PA 15213
- Phone
- (412) 647-7228
- Enumerated
- Mar 28, 2017
- Record last updated
- Jun 30, 2023
- Fax
- (501) 320-7792
- Medicare enrollment
- Enrolled (PECOS I20240123004491); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 545 in Pennsylvania → Look up another NPI →
Verify Anna Nanigian Witt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license 480770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average infectious disease physician in 2024
46 Medicare Part D claims for 13 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Ceftriaxone14 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
- Prospect CT Medical Foundation IncManchester, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna Nanigian Witt among 545 infectious disease physician records in Pennsylvania
Anna Nanigian Witt, M.D. is one of 545 infectious disease physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2017 · median 2005 among the 381 with a school on file
- Record last updated2023 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Pennsylvania
There are 545 infectious disease physician records in Pennsylvania.
All 545 in Pennsylvania → Every provider in Pittsburgh → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Cybele Abad, M.D.Pittsburgh, PA 152131619900453
- Tatiana Bogdanovich, M.D.Pittsburgh, PA 152131447443882
- Madhu Chhanda ChoudharyPittsburgh, PA 152131255367793
- Ross Cranston, MDPittsburgh, PA 152131841216959
- Yohei Doi, M.D.Pittsburgh, PA 152131316149719
- Jae Ho Hong, M.D.Pittsburgh, PA 152131659546117
- Heather Hughes, MDPittsburgh, PA 152131437317849
- Eun Jeong KwakPittsburgh, PA 152131134193527
Common questions
What is Anna Nanigian Witt, M.D.'s NPI number?
Anna Nanigian Witt, M.D.'s National Provider Identifier (NPI) is 1770015042, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Anna Nanigian Witt, M.D. located?
The NPPES record lists a practice address at 3601 5TH Ave, Falk Clinic, Suite 700, Pittsburgh, PA, 15213. Phone: (412) 647-7228. Providers update this record themselves, so call before visiting.
How can I verify Anna Nanigian Witt, M.D.'s license?
NPPES lists Pennsylvania license number 480770, 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 Anna Nanigian Witt, M.D. prescribe under Medicare Part D?
In 2024, Anna Nanigian Witt, M.D. had 46 Medicare Part D claims for 13 beneficiaries; the average among infectious disease physician prescribers was 689. 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.