Rathan Sadashivan Nair, MD
Internal Medicine Physician · Harrisburg, PA
Rathan Sadashivan Nair, MD is an internal medicine physician with a practice address in Harrisburg, Pennsylvania, and NPI 1386956720, issued on Jul 13, 2010. Check the license (Pennsylvania MTI96428, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Rathan Sadashivan Nair
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MTI96428 PA
Self-reported in NPPES; status is on the state search - Practice location
- 301 Chestnut St, Harrisburg, PA 17101
- Phone
- (773) 412-9153
- Enumerated
- Jul 13, 2010
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131111001180); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Verify Rathan Sadashivan Nair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MTI96428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
257 Medicare Part D claims for 124 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Cephalexin24 claims
- Prednisone19 claims
- Pantoprazole Sodium15 claims
- Vancomycin Hcl14 claims
- Amoxicillin-Clavulanate Potass11 claims
- Levofloxacin11 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
- Arizona Inpatient Medicine Associates LLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rathan Sadashivan Nair among 7,300 internal medicine physician records in Pennsylvania
Rathan Sadashivan Nair, 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 2010, is newer than 50% of them.
- NPI issued2010 · 50% of these records are older, 48% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · median 2008 among the 4,208 with a school on file
- Record last updated2010 · 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).
184 internal medicine physician records list a practice address in Harrisburg
They are 184 of the 3,963 NPPES records with a practice address in Harrisburg, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Harrisburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Benny Bhaskar, M.D.Harrisburg, PA 171011386874998
- David Dudick, M.D.Harrisburg, PA 171011013107747
- Howard Fugate, MDHarrisburg, PA 171011093748931
- Joanne Gordon, MDHarrisburg, PA 171011003869389
- Sara Hanna, M.D.Harrisburg, PA 171011497986368
- Gloria Henao, M.D.Harrisburg, PA 171011306036835
- Veena Kapoor, MDHarrisburg, PA 171011932190337
- Steven Lilie, MDHarrisburg, PA 171011477582328
Common questions
What is Rathan Sadashivan Nair, MD's NPI number?
Rathan Sadashivan Nair, MD's National Provider Identifier (NPI) is 1386956720, issued on Jul 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rathan Sadashivan Nair, MD located?
The NPPES record lists a practice address at 301 Chestnut St, Harrisburg, PA, 17101. Phone: (773) 412-9153. Providers update this record themselves, so call before visiting.
How can I verify Rathan Sadashivan Nair, MD's license?
NPPES lists Pennsylvania license number MTI96428, 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 Rathan Sadashivan Nair, MD prescribe under Medicare Part D?
In 2024, Rathan Sadashivan Nair, MD had 257 Medicare Part D claims for 124 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.