William Jay Apfeldorf, MD
Psychiatry Physician · White Plains, NY
William Jay Apfeldorf, MD is a psychiatry physician with a practice address in White Plains, New York, and NPI 1144235698, issued on Jul 30, 2006. Check the license (New York 174834, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Jay Apfeldorf
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 174834 NY
Self-reported in NPPES; status is on the state search - Practice location
- 21 Bloomingdale RD # 58, White Plains, NY 10605
- Phone
- (914) 997-5809
- Enumerated
- Jul 30, 2006
- Record last updated
- Sep 6, 2024
- Fax
- (914) 682-6902
- Medicare enrollment
- Enrolled (PECOS I20151015001908); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Verify William Jay Apfeldorf 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 174834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average psychiatry physician in 2024
1,434 Medicare Part D claims for 168 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Escitalopram Oxalate153 claims
- Mirtazapine128 claims
- Clonazepam127 claims
- Quetiapine Fumarate84 claims
- Sertraline Hcl83 claims
- Trazodone Hcl74 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Weill Medical College OF CornellWhite Plains, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Jay Apfeldorf among 6,589 psychiatry physician records in New York
William Jay Apfeldorf, MD is one of 6,589 psychiatry physician records with a practice address in New York. 72% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1987 · median 2002 among the 2,559 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
101 psychiatry physician records list a practice address in White Plains
They are 101 of the 4,065 NPPES records with a practice address in White Plains, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in White Plains → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- George Alexopoulos, M.D.White Plains, NY 106051548222805
- Carlo Bayrakdarian, MDWhite Plains, NY 106051356348536
- Rachel Goldstein, M.D.White Plains, NY 106051679527469
- Katherine Halmi, M.D.White Plains, NY 106051295796803
- Sibel Klimstra, M.D.White Plains, NY 106051073574893
- Nabil Kotbi, M.D.White Plains, NY 106051881679702
- Ruth Lubelski, M.DWhite Plains, NY 106051851347447
- Kathleen McCarty, M.D.White Plains, NY 106051518929314
Common questions
What is William Jay Apfeldorf, MD's NPI number?
William Jay Apfeldorf, MD's National Provider Identifier (NPI) is 1144235698, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Jay Apfeldorf, MD located?
The NPPES record lists a practice address at 21 Bloomingdale RD # 58, White Plains, NY, 10605. Phone: (914) 997-5809. Providers update this record themselves, so call before visiting.
How can I verify William Jay Apfeldorf, MD's license?
NPPES lists New York license number 174834, 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 Jay Apfeldorf, MD prescribe under Medicare Part D?
In 2024, William Jay Apfeldorf, MD had 1,434 Medicare Part D claims for 168 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is William Jay Apfeldorf, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.