Arati S. Karhadkar, M.D.
Rheumatology Physician · Norristown, PA
Arati S. Karhadkar, M.D. is a rheumatology physician with a practice address in Norristown, Pennsylvania, and NPI 1982890448, issued on Sep 19, 2007. Check the license (Pennsylvania MD437537, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Arati S. Karhadkar
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD437537 PA
Self-reported in NPPES; status is on the state search - Practice location
- 170 W Germantown Pike, Norristown, PA 19401
- Phone
- (610) 277-2750
- Enumerated
- Sep 19, 2007
- Record last updated
- Nov 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (610) 277-7949
- Medicare enrollment
- Enrolled (PECOS I20141211000403); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 413 in Pennsylvania → Look up another NPI →
Also registered at 170 W Germantown Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dominic Bogucki, ATC, PA-CSurgical Physician Assistant1265970669
Verify Arati S. Karhadkar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD437537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average rheumatology physician in 2024
773 Medicare Part D claims for 173 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 87 claims were for opioids.
Most prescribed
- Prednisone92 claims
- Methotrexate81 claims
- Hydroxychloroquine Sulfate62 claims
- Tramadol Hcl51 claims
- Gabapentin39 claims
- Celecoxib37 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.
Industry payments in 2024: $29.13
1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rheumatology Associates LtdEast Norriton, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arati S. Karhadkar among 413 rheumatology physician records in Pennsylvania
Arati S. Karhadkar, M.D. is one of 413 rheumatology physician records with a practice address in Pennsylvania. 80% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1998 · median 2004 among the 275 with a school on file
- Record last updated2014 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Pennsylvania
There are 413 rheumatology physician records in Pennsylvania.
All 413 in Pennsylvania → Every provider in Norristown → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Kate McDonough, D.O.Norristown, PA 194011174918551
- Andrew Mermelstein, MDEast Norriton, PA 194011215920335
- Daniel Norden, MDEast Norriton, PA 194011548252679
- Kerry Stone, MDEast Norriton, PA 194011003865353
- Muznay Khawaja, M.D.East Norriton, PA 194031962840298
- Damon Bass, D.O.King Of Prussia, PA 194061568722726
- Myron Chu, D.O.King Of Prussia, PA 194061376523837
- Regina Kurrasch, M.D.King Of Prussia, PA 194061184980476
Common questions
What is Arati S. Karhadkar, M.D.'s NPI number?
Arati S. Karhadkar, M.D.'s National Provider Identifier (NPI) is 1982890448, issued on Sep 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Arati S. Karhadkar, M.D. located?
The NPPES record lists a practice address at 170 W Germantown Pike, Norristown, PA, 19401. Phone: (610) 277-2750. Providers update this record themselves, so call before visiting.
How can I verify Arati S. Karhadkar, M.D.'s license?
NPPES lists Pennsylvania license number MD437537, 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 Arati S. Karhadkar, M.D. prescribe under Medicare Part D?
In 2024, Arati S. Karhadkar, M.D. had 773 Medicare Part D claims for 173 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.