Andrew D. Sitkoff, DO
Internal Medicine Physician · West Chester, PA
Andrew D. Sitkoff, DO is an internal medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1063485308, issued on Feb 8, 2006. Check the license (Pennsylvania OS005998L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Andrew D. Sitkoff
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS005998L PA
Self-reported in NPPES; status is on the state search - Practice location
- 839 Lincoln Ave Ste A, West Chester, PA 19380
- Phone
- (610) 241-3050
- Enumerated
- Feb 8, 2006
- Record last updated
- Jan 27, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (610) 241-3059
- Medicaid ID
- 01138ZZZ PA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Verify Andrew D. Sitkoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS005998LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
27 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Andrew D. Sitkoff among 7,300 internal medicine physician records in Pennsylvania
Andrew D. Sitkoff, DO 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2011 · 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).
57 internal medicine physician records list a practice address in West Chester
They are 57 of the 2,831 NPPES records with a practice address in West Chester, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in West Chester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Douglas Atlas, MDWest Chester, PA 193801932168895
- Helise Bichefsky, DOWest Chester, PA 193801770533267
- Donald Emery, MDWest Chester, PA 193801730139130
- Renee Giometti, MDWest Chester, PA 193801639129208
- Dwight Johnson, DOWest Chester, PA 193801598738833
- Edward Ma, MDWest Chester, PA 193801730153081
- Martye Marshall, MDWest Chester, PA 193801841253648
- Richard Oyelewu, MDWest Chester, PA 193801659345601
Common questions
What is Andrew D. Sitkoff, DO's NPI number?
Andrew D. Sitkoff, DO's National Provider Identifier (NPI) is 1063485308, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew D. Sitkoff, DO located?
The NPPES record lists a practice address at 839 Lincoln Ave Ste A, West Chester, PA, 19380. Phone: (610) 241-3050. Providers update this record themselves, so call before visiting.
How can I verify Andrew D. Sitkoff, DO's license?
NPPES lists Pennsylvania license number OS005998L, 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 Andrew D. Sitkoff, DO prescribe under Medicare Part D?
In 2024, Andrew D. Sitkoff, DO had 27 Medicare Part D claims for 11 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.