William Krotz, MD
NPI 1194756452 · Family Medicine Physician · East Patchogue, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Krotz, MD is a Family Medicine Physician provider in East Patchogue, NY (NPI 1194756452).
Provider details
- NPI number
- 1194756452
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 170937 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
484 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 211 | $98 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 82 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 57 | $146 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 48 | $148 |
| Hemoglobin A1c Level83036 | 34 | $9 |
| Administration of Influenza Virus VaccineG0008 | 27 | $36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 129 | 45 |
| Lisinopril | 95 | 26 |
| Levothyroxine Sodium | 89 | 20 |
| Omeprazole | 87 | 17 |
| Losartan Potassium | 81 | 27 |
| Amlodipine Besylate | 80 | 30 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2023-05-03
- Certified
- 2023-05-03
Frequently asked questions
- What is William Krotz's NPI number?
- William Krotz's National Provider Identifier (NPI) is 1194756452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Krotz's specialty?
- William Krotz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Krotz located?
- William Krotz's practice location on file with NPPES is 100 Hospital Rd, East Patchogue, NY 11772-8809.
- What is William Krotz's phone number?
- The practice phone number listed in the NPPES registry for William Krotz is (631) 475-6900.
- Does William Krotz accept Medicare?
- William Krotz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Krotz's NPI active?
- Yes — William Krotz's NPI (1194756452) is active in the NPPES registry as of the last update on 2023-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.