John Griswold, MD
NPI 1720045941 · Urology Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Griswold, MD is a Urology Physician provider in Williamsville, NY (NPI 1720045941).
Provider details
- NPI number
- 1720045941
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 178092-1 (NY)
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
20 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
1,784 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) |
|---|---|---|
| Urinalysis, Manual Test81002 | 430 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 262 | $86 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 218 | $10 |
| Psa (prostate Specific Antigen) Measurement, Total84153 | 188 | $18 |
| 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 | 165 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 444 | 159 |
| Ciprofloxacin Hcl | 226 | 183 |
| Finasteride | 189 | 66 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 78 | 29 |
| Trimethoprim | 67 | 50 |
| Mirabegronbrand: Myrbetriq | 67 | 22 |
| Doxycycline Hyclate | 50 | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$323 across 15 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
- 2006-05-01
- Last updated
- 2021-12-13
- Certified
- 2021-12-13
Frequently asked questions
- What is John Griswold's NPI number?
- John Griswold's National Provider Identifier (NPI) is 1720045941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Griswold's specialty?
- John Griswold is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is John Griswold located?
- John Griswold's practice location on file with NPPES is 295 Essjay Rd, Williamsville, NY 14221-8216.
- What is John Griswold's phone number?
- The practice phone number listed in the NPPES registry for John Griswold is (716) 630-1050.
- Does John Griswold accept Medicare?
- John Griswold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Griswold's NPI active?
- Yes — John Griswold's NPI (1720045941) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.