Khosrow Mehdi Nafisi, MD
Internal Medicine Physician · Phoenix, AZ
Khosrow Mehdi Nafisi, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1548289580, issued on Jul 19, 2006. Check the license (Arizona 17558, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Khosrow Mehdi Nafisi
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 17558 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1728 W Glendale Ave, Phoenix, AZ 85021
- Phone
- (602) 864-6828
- Enumerated
- Jul 19, 2006
- Record last updated
- Aug 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (602) 864-6859
- Medicaid ID
- 17558 AZ
- Medicare enrollment
- Enrolled (PECOS I20101025001186); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1728 W Glendale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Charles Matlin, M.D.Surgery Physician1023074945
- Ernest Nehrer, D.D.S.Pediatric Dentistry1477964989
- Eva Zuschke, M.D.Family Medicine Physician1245230440
Verify Khosrow Mehdi Nafisi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 17558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average internal medicine physician in 2024
6,150 Medicare Part D claims for 504 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Levothyroxine Sodium444 claims
- Atorvastatin Calcium403 claims
- Rosuvastatin Calcium321 claims
- Amlodipine Besylate270 claims
- Losartan Potassium256 claims
- Metformin Hcl214 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: $2,011.62
113 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Valley Primary Care Physicians LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 695 in Phoenix → All 2,853 in Arizona → Every provider in Phoenix →
Other internal medicine physician records in Arizona
- Daniel Aaronson, MDTucson, AZ1134865355
- Constantia Abarikwu, MDPhoenix, AZ1497832620
- Jaber Abawi, MDPayson, AZ1629038542
- Demsas Abay, MDPeoria, AZ1720312390
- Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
- Hassan Abbas, D.O.Mesa, AZ1477294775
- Jalal Abbas, M.D.Sun City West, AZ1205895034
- Tayeb Abbas, MDSun City West, AZ1093406795
- Hamed Abbaszadegan, MDPhoenix, AZ1407083579
- Kristopher Abbate, MDTucson, AZ1184112401
Common questions
What is Khosrow Mehdi Nafisi, MD's NPI number?
Khosrow Mehdi Nafisi, MD's National Provider Identifier (NPI) is 1548289580, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Khosrow Mehdi Nafisi, MD located?
The NPPES record lists a practice address at 1728 W Glendale Ave, Phoenix, AZ, 85021. Phone: (602) 864-6828. Providers update this record themselves, so call before visiting.
How can I verify Khosrow Mehdi Nafisi, MD's license?
NPPES lists Arizona license number 17558, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Khosrow Mehdi Nafisi, MD prescribe under Medicare Part D?
In 2024, Khosrow Mehdi Nafisi, MD had 6,150 Medicare Part D claims for 504 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.