John Graham, M.D.
NPI 1588002448 · Urology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Graham, M.D. is a Urology Physician provider in Brooklyn, NY (NPI 1588002448).
Provider details
- NPI number
- 1588002448
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A153892 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
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
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
436 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) |
|---|---|---|
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 112 | $13 |
| Automated Urinalysis Test81003 | 81 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $142 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 25 | $184 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 463 | 220 |
| Finasteride | 203 | 92 |
| Vibegronbrand: Gemtesa | 39 | 12 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 22 | 11 |
| Mirabegronbrand: Myrbetriq | 21 | 15 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 13 | 12 |
| Methenamine Hippurate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$61 across 3 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 (4)
- 1516 San Pablo St Fl 5Los Angeles, CA 90033Phone: (323) 865-3700
- 1516 San Pablo St Fl 5Los Angeles, CA 90033Phone: (323) 865-3700
- 1262 Post RdFairfield, CT 06824Phone: (203) 338-6760Fax: (203) 338-6765
- 450 Clarkson AveBrooklyn, NY 11203-2012Phone: (718) 270-8867
Registry dates
- Enumerated
- 2013-06-12
- Last updated
- 2023-11-13
- Certified
- 2023-11-13
Frequently asked questions
- What is John Graham's NPI number?
- John Graham's National Provider Identifier (NPI) is 1588002448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Graham's specialty?
- John Graham is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is John Graham located?
- John Graham's practice location on file with NPPES is 506 6th St, Brooklyn, NY 11215.
- What is John Graham's phone number?
- The practice phone number listed in the NPPES registry for John Graham is (718) 780-3000.
- Does John Graham accept Medicare?
- John Graham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Graham's NPI active?
- Yes — John Graham's NPI (1588002448) is active in the NPPES registry as of the last update on 2023-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.