Reena Karnik
Internal Medicine Physician · McKeesport, PA
Reena Karnik is an internal medicine physician with a practice address in McKeesport, Pennsylvania, and NPI 1851593503, issued on Jun 4, 2007. Check the license (Pennsylvania MD431311, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Reena Karnik
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD431311 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 5TH Ave, McKeesport, PA 15132
- Phone
- (412) 664-2782
- Enumerated
- Jun 4, 2007
- Record last updated
- Apr 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070620000571); 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 1500 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ruth Adams, PTASpecialist1669682027
- Celia Agudelo, RD, LDNRegistered Dietitian1538524707
- Alyse Aubrey, PHARMDStudent in an Organized Health Care Education/Training Program1225720105
- Andria Barnes, MAMental Health Counselor1871230045
- Robert BauerAcute Care Nurse Practitioner1871978049
- Jody BeattyOccupational Therapist1154638468
Verify Reena Karnik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD431311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,444 Medicare Part D claims for 287 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. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium228 claims
- Amlodipine Besylate149 claims
- Pantoprazole Sodium111 claims
- Gabapentin83 claims
- Eliquis76 claims
- Albuterol Sulfate Hfa72 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Upmc Community Medicine IncMcKeesport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reena Karnik among 7,300 internal medicine physician records in Pennsylvania
Reena Karnik 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 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 57% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2000 · median 2008 among the 4,208 with a school on file
- Record last updated2021 · 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).
35 internal medicine physician records list a practice address in McKeesport
They are 35 of the 1,096 NPPES records with a practice address in McKeesport, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in McKeesport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Oluremi Ajala, M.D.McKeesport, PA 151321629412325
- Rudolph Antoncic, MDMcKeesport, PA 151321871667907
- Jonathan Arnold, MDMcKeesport, PA 151321528486313
- Benjamin Bandoh, M.DMcKeesport, PA 151321497199285
- Jason Bierenbaum, MDMcKeesport, PA 151321609098052
- Luis Corral Guerrero, M.D.McKeesport, PA 151321164835195
- Senta Kastler, M.D.McKeesport, PA 151321073751038
- Sathyanarayana Machani, MDMcKeesport, PA 151321912206020
Common questions
What is Reena Karnik's NPI number?
Reena Karnik's National Provider Identifier (NPI) is 1851593503, issued on Jun 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Reena Karnik located?
The NPPES record lists a practice address at 1500 5TH Ave, McKeesport, PA, 15132. Phone: (412) 664-2782. Providers update this record themselves, so call before visiting.
How can I verify Reena Karnik's license?
NPPES lists Pennsylvania license number MD431311, 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 Reena Karnik prescribe under Medicare Part D?
In 2024, Reena Karnik had 2,444 Medicare Part D claims for 287 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Reena Karnik's MIPS final score?
The 2023 MIPS final score is 78.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.