Sunil Parkash, MD
Internal Medicine Physician · Williamsport, PA
Sunil Parkash, MD is an internal medicine physician with a practice address in Williamsport, Pennsylvania, and NPI 1083389621, issued on Aug 16, 2021. Check the license (Pennsylvania MD485411, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Sunil Parkash
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD485411 PA
Self-reported in NPPES; status is on the state search - Practice location
- 700 High St, Williamsport, PA 17701
- Phone
- (570) 321-2850
- Enumerated
- Aug 16, 2021
- Record last updated
- Apr 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20240627001122); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 700 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sunil Parkash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD485411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
304 Medicare Part D claims for 93 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium17 claims
- Lisinopril14 claims
- Pantoprazole Sodium13 claims
- Eliquis12 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 2 group practices
- H2 Rehabilitation Extension Services LLCWilliamsport, PA
- Susquehanna Physician ServicesWilliamsport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sunil Parkash among 7,300 internal medicine physician records in Pennsylvania
Sunil Parkash, 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 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2002 · median 2008 among the 4,208 with a school on file
- Record last updated2025 · 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).
31 internal medicine physician records list a practice address in Williamsport
They are 31 of the 1,371 NPPES records with a practice address in Williamsport, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Williamsport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Cullen, D.O.Williamsport, PA 177011730156043
- David Finn, MDWilliamsport, PA 177011194786004
- Daniel GlunkWilliamsport, PA 177011881654010
- Russell Gombosi, MDWilliamsport, PA 177011528078433
- Puneet Gupta, M.D.Williamsport, PA 177011497962286
- Barbara Heere, MDWilliamsport, PA 177011902865793
- Renuka KakaralaWilliamsport, PA 177011417012030
- Joanne Lalli, MDWilliamsport, PA 177011942293287
Common questions
What is Sunil Parkash, MD's NPI number?
Sunil Parkash, MD's National Provider Identifier (NPI) is 1083389621, issued on Aug 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sunil Parkash, MD located?
The NPPES record lists a practice address at 700 High St, Williamsport, PA, 17701. Phone: (570) 321-2850. Providers update this record themselves, so call before visiting.
How can I verify Sunil Parkash, MD's license?
NPPES lists Pennsylvania license number MD485411, 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 Sunil Parkash, MD prescribe under Medicare Part D?
In 2024, Sunil Parkash, MD had 304 Medicare Part D claims for 93 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.