Asif Sultan, M.D.
Nephrology Physician · Knoxville, TN
Asif Sultan, M.D. is a nephrology physician with a practice address in Knoxville, Tennessee, and NPI 1821278474, issued on Nov 13, 2007. Check the license (Tennessee 42655, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Asif Sultan
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 42655 TN
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Laurel Ave, Knoxville, TN 37916
- Phone
- (865) 637-5186
- Enumerated
- Nov 13, 2007
- Record last updated
- Nov 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (865) 637-5121
- Medicare enrollment
- Enrolled (PECOS I20080104000318); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 266 in Tennessee → Look up another NPI →
Also registered at 2001 Laurel Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Addonizio, MDDiagnostic Radiology Physician1184604811
- Timothy Alder, MDDiagnostic Radiology Physician1922207059
- Yaqub Ali, M.D.Specialist1801893771
- Sheri Armstrong, M.D.Diagnostic Radiology Physician1669401196
- Sung Yong Bae, M.D.Internal Medicine Physician1043443997
- Gerald Borrelli, M.D.Nephrology Physician1871599084
Verify Asif Sultan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 42655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average nephrology physician in 2024
2,968 Medicare Part D claims for 427 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Hydralazine Hcl194 claims
- Calcitriol191 claims
- Tamsulosin Hcl189 claims
- Furosemide170 claims
- Sevelamer Carbonate169 claims
- Jardiance127 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 MIPS final score for 2023 (Medicare payment program): 93.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $454.25
13 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Knoxville Nephrology Associates, LLCMorristown, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Asif Sultan among 266 nephrology physician records in Tennessee
Asif Sultan, M.D. is one of 266 nephrology physician records with a practice address in Tennessee. 79% 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 51% of them.
- NPI issued2007 · 51% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2005 · median 2002 among the 186 with a school on file
- Record last updated2007 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Tennessee
There are 266 nephrology physician records in Tennessee.
All 266 in Tennessee → Every provider in Knoxville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Gerald Borrelli, M.D.Knoxville, TN 379161871599084
- Stephen Kiss, MDKnoxville, TN 379161770589988
- Stanislav Ozhog, D.OKnoxville, TN 379161033579867
- Suresh Kumar, MDKnoxville, TN 379171104016617
- Mazen Abu Hatab, MDKnoxville, TN 379191821173121
- Jimmy Gentry, M.D.Knoxville, TN 379191467896365
- Wala Abusalah, MDKnoxville, TN 379201578034161
- Ritu Khanna, MD 47959Knoxville, TN 379201619139383
Common questions
What is Asif Sultan, M.D.'s NPI number?
Asif Sultan, M.D.'s National Provider Identifier (NPI) is 1821278474, issued on Nov 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Asif Sultan, M.D. located?
The NPPES record lists a practice address at 2001 Laurel Ave, Knoxville, TN, 37916. Phone: (865) 637-5186. Providers update this record themselves, so call before visiting.
How can I verify Asif Sultan, M.D.'s license?
NPPES lists Tennessee license number 42655, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Asif Sultan, M.D. prescribe under Medicare Part D?
In 2024, Asif Sultan, M.D. had 2,968 Medicare Part D claims for 427 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Asif Sultan, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.8 of 100. 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.