NPPES file of Aug 9, 2026

Vanji Karthikeyan, M.D.

Nephrology Physician · Detroit, MI

Vanji Karthikeyan, M.D. is a nephrology physician with a practice address in Detroit, Michigan, and NPI 1003984550, issued on Dec 1, 2006. Check the license (Michigan 4301067479, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003984550
Name
Vanji Karthikeyan
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
4301067479 MI
Self-reported in NPPES; status is on the state search
Practice location
2799 W Grand Blvd, Detroit, MI 48202
Phone
(313) 916-2600
Enumerated
Dec 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(313) 916-3235
Medicare enrollment
Enrolled (PECOS I20100605000178); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2799 W Grand Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jamie Therese Abad, MDInternal Medicine Physician1700573359
  2. Muhammad Abbas, MDStudent in an Organized Health Care Education/Training Program1417607474
  3. Omar Abbas, MDAnatomic Pathology & Clinical Pathology Physician1417687450
  4. Ammaar Abbasi, M.D.Student in an Organized Health Care Education/Training Program1558005157
  5. Josianne Abboud, MDAnesthesiology Physician1912342791
  6. Sai Abburi, DOStudent in an Organized Health Care Education/Training Program1124962915

Verify Vanji Karthikeyan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301067479
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

74% fewer Medicare Part D claims than the average nephrology physician in 2024

375 Medicare Part D claims for 71 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Vanji Karthikeyan375
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium36 claims
  2. Lisinopril29 claims
  3. Prednisone25 claims
  4. Carvedilol21 claims
  5. Calcium Acetate17 claims
  6. Sevelamer Carbonate16 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: $116.10

1 payment: food and beverage; the largest payer was Calliditas Therapeutics US 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.

  1. Vanji Karthikeyan$116.10
  2. Specialty average$3,091.37

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

  1. Henry Ford Health SystemDetroit, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vanji Karthikeyan among 376 nephrology physician records in Michigan

Vanji Karthikeyan, M.D. is one of 376 nephrology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 48% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1993 · median 2001 among the 279 with a school on file
  • Record last updated2007 · 59% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Michigan

There are 376 nephrology physician records in Michigan.

The 8 nephrology physician records with the nearest ZIP codes

  1. Anatole Besarab, M.D.Detroit, MI 482021437227964
  2. Pedro Cortes, M.D.Detroit, MI 482021801964341
  3. Mohamed Elshayeb, M.DDetroit, MI 482021487918520
  4. Mark Faber, M.D.Detroit, MI 482021306914841
  5. Niama Huda, M.DDetroit, MI 482021710145586
  6. Jian Li, M.D.Detroit, MI 482021689864779
  7. Egbert Joseph Liquete, M.D.Detroit, MI 482021982832762
  8. James Novak, MDDetroit, MI 482021689744351

Common questions

What is Vanji Karthikeyan, M.D.'s NPI number?

Vanji Karthikeyan, M.D.'s National Provider Identifier (NPI) is 1003984550, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vanji Karthikeyan, M.D. located?

The NPPES record lists a practice address at 2799 W Grand Blvd, Detroit, MI, 48202. Phone: (313) 916-2600. Providers update this record themselves, so call before visiting.

How can I verify Vanji Karthikeyan, M.D.'s license?

NPPES lists Michigan license number 4301067479, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Vanji Karthikeyan, M.D. prescribe under Medicare Part D?

In 2024, Vanji Karthikeyan, M.D. had 375 Medicare Part D claims for 71 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.