Rustin Massoudi, MD
NPI 1861836843 · Urology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rustin Massoudi, MD is a Urology Physician provider in Stanford, CA (NPI 1861836843).
Provider details
- NPI number
- 1861836843
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A131914 (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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,050 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 299 | $196 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 175 | $178 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 168 | $179 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 48 | $16 |
| Biopsy of Prostate Gland55700 | 38 | $202 |
| Non-Needle Measurement and Recording of Electrical Activity of Muscles at Bladder and Bowel Openings |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 369 | 136 |
| Finasteride | 287 | 110 |
| Mirabegronbrand: Myrbetriq | 54 | 18 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 45 | 17 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 44 | 31 |
| Doxazosin Mesylate | 33 | 12 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,414 across 12 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
Additional practice locations (1)
- 1500 Duarte RdDuarte, CA 91010-3012Phone: (626) 256-4673
Registry dates
- Enumerated
- 2013-04-22
- Last updated
- 2024-05-02
- Certified
- 2024-05-02
Frequently asked questions
- What is Rustin Massoudi's NPI number?
- Rustin Massoudi's National Provider Identifier (NPI) is 1861836843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rustin Massoudi's specialty?
- Rustin Massoudi is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Rustin Massoudi located?
- Rustin Massoudi's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Rustin Massoudi's phone number?
- The practice phone number listed in the NPPES registry for Rustin Massoudi is (650) 723-4000.
- Does Rustin Massoudi accept Medicare?
- Rustin Massoudi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rustin Massoudi's NPI active?
- Yes — Rustin Massoudi's NPI (1861836843) is active in the NPPES registry as of the last update on 2024-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.