Claire Frances Schretlen, MD
Nephrology Physician · New York, NY
Claire Frances Schretlen, MD is a nephrology physician with a practice address in New York, New York, and NPI 1093256448, issued on Mar 18, 2017. Check the license (New York 325616, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Claire Frances Schretlen
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 325616 NY
Self-reported in NPPES; status is on the state search - Practice location
- 36 W 60TH St, New York, NY 10023
- Phone
- (212) 523-8672
- Enumerated
- Mar 18, 2017
- Record last updated
- Aug 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20231110002261); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,049 in New York → Look up another NPI →
Also registered at 36 W 60TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nikita Agrawal, M.D.Pulmonary Disease Physician1083145916
- Zeev RubinsonPhysician Assistant1275179459
- Rachel SheskierEndocrinology, Diabetes & Metabolism Physician1013476969
- Vita Tambone, RDN, CDCESRegistered Dietitian1235566555
Verify Claire Frances Schretlen 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 325616Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nephrology physician in 2024
186 Medicare Part D claims for 47 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Sevelamer Carbonate22 claims
- Furosemide16 claims
- Calcium Acetate15 claims
- Atorvastatin Calcium13 claims
- Nifedipine Er11 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claire Frances Schretlen among 1,049 nephrology physician records in New York
Claire Frances Schretlen, MD is one of 1,049 nephrology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2017 · median 1999 among the 764 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in New York
There are 1,049 nephrology physician records in New York.
All 1,049 in New York → Every provider in New York → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Richard Ames, MDNew York, NY 100231225111958
- Narcis Aron, MDNew York, NY 100231265402374
- Brian Hoch, M.D., FACPNew York, NY 100231215049325
- Walter Wasser, MDNew York, NY 100231891765582
- Herbert Chase, MDNew York, NY 100241922082791
- Mark Gardenswartz, M.D.New York, NY 100221326063215
- Susan Marshall, MDNew York, NY 100241073672515
- John Rodman, MDNew York, NY 100221942361191
Common questions
What is Claire Frances Schretlen, MD's NPI number?
Claire Frances Schretlen, MD's National Provider Identifier (NPI) is 1093256448, issued on Mar 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Claire Frances Schretlen, MD located?
The NPPES record lists a practice address at 36 W 60TH St, New York, NY, 10023. Phone: (212) 523-8672. Providers update this record themselves, so call before visiting.
How can I verify Claire Frances Schretlen, MD's license?
NPPES lists New York license number 325616, 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 Claire Frances Schretlen, MD prescribe under Medicare Part D?
In 2024, Claire Frances Schretlen, MD had 186 Medicare Part D claims for 47 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
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.