Marjan Naraghi-Arani, D.O.
NPI 1821187881 · Family Medicine Physician · San Ramon, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marjan Naraghi-Arani, D.O. is a Family Medicine Physician provider in San Ramon, CA (NPI 1821187881).
Provider details
- NPI number
- 1821187881
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A7552 (CA)
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
710 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 | 232 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 173 | $93 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 95 | $52 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 73 | $19 |
| Administration of Influenza Virus VaccineG0008 | 34 | $39 |
| Urinalysis, Manual Test |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 185 | 52 |
| Rosuvastatin Calcium | 178 | 59 |
| Levothyroxine Sodium | 176 | 50 |
| Amlodipine Besylate | 140 | 39 |
| Lisinopril | 106 | 34 |
| Hydrochlorothiazide | 96 | 28 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$548 across 18 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
- 2006-10-11
- Last updated
- 2023-03-07
Frequently asked questions
- What is Marjan Naraghi-Arani's NPI number?
- Marjan Naraghi-Arani's National Provider Identifier (NPI) is 1821187881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjan Naraghi-Arani's specialty?
- Marjan Naraghi-Arani is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marjan Naraghi-Arani located?
- Marjan Naraghi-Arani's practice location on file with NPPES is 200 Porter Drive, San Ramon, CA 94583-1524.
- What is Marjan Naraghi-Arani's phone number?
- The practice phone number listed in the NPPES registry for Marjan Naraghi-Arani is (925) 838-6511.
- Does Marjan Naraghi-Arani accept Medicare?
- Marjan Naraghi-Arani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marjan Naraghi-Arani's NPI active?
- Yes — Marjan Naraghi-Arani's NPI (1821187881) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.