Ehsen Zawwar Rao, M.D.
Internal Medicine Physician · Springfield, OH
Ehsen Zawwar Rao, M.D. is an internal medicine physician with a practice address in Springfield, Ohio, and NPI 1659626026, issued on Jul 20, 2012. Check the license (Ohio 35.144212, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Ehsen Zawwar Rao
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.144212 OH
Self-reported in NPPES; status is on the state search - Practice location
- 100 Medical Center Dr, Springfield, OH 45504
- Phone
- (937) 523-1461
- Enumerated
- Jul 20, 2012
- Record last updated
- Dec 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20220729001882); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 100 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ehsen Zawwar Rao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.144212Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
334 Medicare Part D claims for 129 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Clopidogrel17 claims
- Metoprolol Succinate14 claims
- Atorvastatin Calcium11 claims
- Losartan Potassium11 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: $16.56
1 payment: food and beverage; the largest payer was Penumbra, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Usacs Integrated Acute Care Services OF Ohio LLCSpringfield, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ehsen Zawwar Rao among 5,277 internal medicine physician records in Ohio
Ehsen Zawwar Rao, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2009 · median 2006 among the 3,414 with a school on file
- Record last updated2022 · 58% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 internal medicine physician records list a practice address in Springfield
They are 45 of the 2,212 NPPES records with a practice address in Springfield, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Munish Adhikari, MDSpringfield, OH 455041801357884
- Riad Akkari, M.D.Springfield, OH 455041326572280
- Eucharia Akusoba, MDSpringfield, OH 455041053545269
- Mian Alam, MDSpringfield, OH 455041417188806
- Azeez Ciba, MDSpringfield, OH 455041235792235
- Kathleen Glover, M.D.Springfield, OH 455041760781363
- Ehsan Haq, M.D.Springfield, OH 455041881977098
- Ayesha Mallick Imam, M.D.Springfield, OH 455041306280094
Common questions
What is Ehsen Zawwar Rao, M.D.'s NPI number?
Ehsen Zawwar Rao, M.D.'s National Provider Identifier (NPI) is 1659626026, issued on Jul 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ehsen Zawwar Rao, M.D. located?
The NPPES record lists a practice address at 100 Medical Center Dr, Springfield, OH, 45504. Phone: (937) 523-1461. Providers update this record themselves, so call before visiting.
How can I verify Ehsen Zawwar Rao, M.D.'s license?
NPPES lists Ohio license number 35.144212, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ehsen Zawwar Rao, M.D. prescribe under Medicare Part D?
In 2024, Ehsen Zawwar Rao, M.D. had 334 Medicare Part D claims for 129 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.