Khosrow Nafisi, MD
NPI 1548289580 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khosrow Nafisi, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1548289580).
Provider details
- NPI number
- 1548289580
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17558 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
786 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 359 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 151 | $88 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 110 | $125 |
| Urinalysis, Manual Test81002 | 47 | $3 |
| Administration of Influenza Virus VaccineG0008 | 32 | $31 |
| Administration of Pneumococcal VaccineG0009 | 30 | $31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 444 | 115 |
| Atorvastatin Calcium | 403 | 113 |
| Rosuvastatin Calcium | 321 | 99 |
| Amlodipine Besylate | 270 | 77 |
| Losartan Potassium | 256 | 67 |
| Metformin Hcl | 214 | 65 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,012 across 113 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2011-08-08
Frequently asked questions
- What is Khosrow Nafisi's NPI number?
- Khosrow Nafisi's National Provider Identifier (NPI) is 1548289580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khosrow Nafisi's specialty?
- Khosrow Nafisi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Khosrow Nafisi located?
- Khosrow Nafisi's practice location on file with NPPES is 1728 W Glendale Ave, Phoenix, AZ 85021.
- What is Khosrow Nafisi's phone number?
- The practice phone number listed in the NPPES registry for Khosrow Nafisi is (602) 864-6828.
- Does Khosrow Nafisi accept Medicare?
- Khosrow Nafisi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khosrow Nafisi's NPI active?
- Yes — Khosrow Nafisi's NPI (1548289580) is active in the NPPES registry as of the last update on 2011-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.