Robert Petrossian, MD
NPI 1912436015 · Urology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Petrossian, MD is a Urology Physician provider in Saint Louis, MO (NPI 1912436015).
Provider details
- NPI number
- 1912436015
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2023045072 (MO)
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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,780 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 434 | $2 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 329 | $10 |
| 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 | 234 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 176 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 98 | $160 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope |
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 | 174 | 103 |
| Finasteride | 102 | 49 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 40 | 18 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 33 | 31 |
| Terazosin Hcl | 32 | 14 |
| Mirabegronbrand: Myrbetriq | 30 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$613 across 20 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 (2)
- 326 Fountains PkwyFairview Heights, IL 62208-2041Phone: (618) 277-3109
- 3 Saint Elizabeth Blvd Ste 3200O Fallon, IL 62269-1281Phone: (618) 489-8030
Registry dates
- Enumerated
- 2017-06-12
- Last updated
- 2023-11-08
- Certified
- 2023-11-08
Frequently asked questions
- What is Robert Petrossian's NPI number?
- Robert Petrossian's National Provider Identifier (NPI) is 1912436015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Petrossian's specialty?
- Robert Petrossian is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Petrossian located?
- Robert Petrossian's practice location on file with NPPES is 12855 N 40 Dr Ste 375, Saint Louis, MO 63141-8657.
- What is Robert Petrossian's phone number?
- The practice phone number listed in the NPPES registry for Robert Petrossian is (314) 567-6071.
- Does Robert Petrossian accept Medicare?
- Robert Petrossian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Petrossian's NPI active?
- Yes — Robert Petrossian's NPI (1912436015) is active in the NPPES registry as of the last update on 2023-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.