Ananthan Krishnathas, MD
Internal Medicine Physician · South Charleston, WV
Ananthan Krishnathas, MD is an internal medicine physician with a practice address in South Charleston, West Virginia, and NPI 1891786554, issued on Nov 2, 2005. Check the license (West Virginia 21702, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ananthan Krishnathas
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21702 WV
Self-reported in NPPES; status is on the state search - Practice location
- 4605 Maccorkle Ave. SW, South Charleston, WV 25309
- Phone
- (304) 766-3526
- Enumerated
- Nov 2, 2005
- Record last updated
- Sep 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 3810000987 WV
- Medicare enrollment
- Enrolled (PECOS I20041108000770); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 754 in West Virginia → Look up another NPI →
Verify Ananthan Krishnathas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 21702Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
466 Medicare Part D claims for 191 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 23 claims were for opioids.
Most prescribed
- Prednisone29 claims
- Doxycycline Hyclate22 claims
- Pantoprazole Sodium22 claims
- Metoprolol Succinate19 claims
- Eliquis16 claims
- Furosemide16 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: $121.73
5 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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
- Ths Physician Partners IncSouth Charleston, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ananthan Krishnathas among 754 internal medicine physician records in West Virginia
Ananthan Krishnathas, MD is one of 754 internal medicine physician records with a practice address in West Virginia. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1989 · median 2010 among the 487 with a school on file
- Record last updated2012 · 43% 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 West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in South Charleston
They are 12 of the 2,500 NPPES records with a practice address in South Charleston, and 754 internal medicine physician records in West Virginia.
All 754 in West Virginia → Every provider in South Charleston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Muhammad Anwar, MBBS, MDSouth Charleston, WV 253091477110468
- Jeffrey Bates, D.O.South Charleston, WV 253091922072818
- Elizabeth Brown, M.D.South Charleston, WV 253091801848197
- Dina Criniti, D.O.South Charleston, WV 253091063486942
- Franklin Moore, D.O.South Charleston, WV 253091013931443
- David Mullett, M.D.South Charleston, WV 253091750582540
- Maria Navarro, M.D.Charleston, WV 253091487633939
- Asef ObaidSouth Charleston, WV 253091902426455
Common questions
What is Ananthan Krishnathas, MD's NPI number?
Ananthan Krishnathas, MD's National Provider Identifier (NPI) is 1891786554, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ananthan Krishnathas, MD located?
The NPPES record lists a practice address at 4605 Maccorkle Ave. SW, South Charleston, WV, 25309. Phone: (304) 766-3526. Providers update this record themselves, so call before visiting.
How can I verify Ananthan Krishnathas, MD's license?
NPPES lists West Virginia license number 21702, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ananthan Krishnathas, MD prescribe under Medicare Part D?
In 2024, Ananthan Krishnathas, MD had 466 Medicare Part D claims for 191 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.