William C. Krotz, MD
Family Medicine Physician · East Patchogue, NY
William C. Krotz, MD is a family medicine physician with a practice address in East Patchogue, New York, and NPI 1194756452, issued on Jul 5, 2006. Check the license (New York 170937, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William C. Krotz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 170937 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Hospital RD, East Patchogue, NY 11772
- Phone
- (631) 475-6900
- Enumerated
- Jul 5, 2006
- Record last updated
- May 3, 2023
- Fax
- (631) 447-5954
- Medicaid ID
- 01722967 NY
- Medicare enrollment
- Enrolled (PECOS I20110119001151); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 100 Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gopal Bhandarkar, M.D.Anesthesiology Physician1013156934
- Lesley-Anne Brown, N. P.Adult Health Nurse Practitioner1851519243
- Sabrina Diehl, LPNLicensed Practical Nurse1407290802
- Laureen Diot, ANP-CAdult Health Nurse Practitioner1235191370
- Peter Eckberg, MDFamily Medicine Physician1568564250
- Zoila Flores, D.O.Family Medicine Physician1104080811
Verify William C. Krotz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 170937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,953 Medicare Part D claims for 226 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium129 claims
- Lisinopril95 claims
- Levothyroxine Sodium89 claims
- Omeprazole87 claims
- Losartan Potassium81 claims
- Amlodipine Besylate80 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York UniversityMineola, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Krotz among 6,417 family medicine physician records in New York
William C. Krotz, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1984 · median 2007 among the 4,188 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in East Patchogue
They are 16 of the 451 NPPES records with a practice address in East Patchogue, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in East Patchogue → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Aurene Alcasabas, MDPatchogue, NY 117721285629030
- Robert Bobrow, M.D.Patchogue, NY 117721548204613
- Alicia Camacho, M.D.Patchogue, NY 117721417987538
- Karl Deshrage, MDPatchoque, NY 117721336158542
- Peter Eckberg, MDEast Patchogue, NY 117721568564250
- Sabrina Johnson, MDPatchogue, NY 117721639195381
- Ronald Klein, MDPatchogue, NY 117721922195379
- Nileshkumar Patel, MDPatchogue, NY 117721043316755
Common questions
What is William C. Krotz, MD's NPI number?
William C. Krotz, MD's National Provider Identifier (NPI) is 1194756452, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. Krotz, MD located?
The NPPES record lists a practice address at 100 Hospital RD, East Patchogue, NY, 11772. Phone: (631) 475-6900. Providers update this record themselves, so call before visiting.
How can I verify William C. Krotz, MD's license?
NPPES lists New York license number 170937, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William C. Krotz, MD prescribe under Medicare Part D?
In 2024, William C. Krotz, MD had 1,953 Medicare Part D claims for 226 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William C. Krotz, MD's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.