Wajahat M. Khan, M.D.
Internal Medicine Physician · Elk Grove, CA
Wajahat M. Khan, M.D. is an internal medicine physician with a practice address in Elk Grove, California, and NPI 1851393540, issued on Aug 11, 2005. Check the license (California A63233, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wajahat M. Khan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A63233 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8220 Wymark Drive, Elk Grove, CA 95757
- Phone
- (916) 667-0600
- Enumerated
- Aug 11, 2005
- Record last updated
- Mar 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (916) 683-0232
- Medicare enrollment
- Enrolled (PECOS I20040316001049); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8220 Wymark Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Wajahat M. Khan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average internal medicine physician in 2024
15,482 Medicare Part D claims for 745 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 63 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,042 claims
- Amlodipine Besylate861 claims
- Losartan Potassium828 claims
- Omeprazole538 claims
- Gabapentin510 claims
- Rosuvastatin Calcium491 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): 96.5 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: $17.44
1 payment: education; the largest payer was Pfizer 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
- Dignity Health Medical FoundationElk Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wajahat M. Khan among 17,696 internal medicine physician records in California
Wajahat M. Khan, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1991 · median 2004 among the 11,065 with a school on file
- Record last updated2020 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Elk Grove
They are 38 of the 3,596 NPPES records with a practice address in Elk Grove, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Elk Grove → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pamela Apolaya-Smith, MDElk Grove, CA 957571942436597
- Choon-Weng Chan, M.D.Elk Grove, CA 957571528088937
- Gaurav Datta, MDElk Grove, CA 957571225184765
- Nina Khangura, M.D.Elk Grove, CA 957571023372059
- David Lee, M.D.Elk Grove, CA 957571003832346
- Mira Roganovic, M.D.Elk Grove, CA 957571033154448
- Muhammad Zubair, M.D.Elk Grove, CA 957571891755344
- Eddy Joelson, M.D.Elk Grove, CA 957581043294580
Common questions
What is Wajahat M. Khan, M.D.'s NPI number?
Wajahat M. Khan, M.D.'s National Provider Identifier (NPI) is 1851393540, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Wajahat M. Khan, M.D. located?
The NPPES record lists a practice address at 8220 Wymark Drive, Elk Grove, CA, 95757. Phone: (916) 667-0600. Providers update this record themselves, so call before visiting.
How can I verify Wajahat M. Khan, M.D.'s license?
NPPES lists California license number A63233, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wajahat M. Khan, M.D. prescribe under Medicare Part D?
In 2024, Wajahat M. Khan, M.D. had 15,482 Medicare Part D claims for 745 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Wajahat M. Khan, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.5 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.