Rebecca Zack Callahan, MSN, WHCNP
Women's Health Nurse Practitioner · New York, NY
Rebecca Zack Callahan, MSN, WHCNP is a women's health nurse practitioner with a practice address in New York, New York, and NPI 1073813960, issued on Oct 26, 2010. Check the license (New York F420999-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rebecca Zack Callahan
- Credential
- MSN, WHCNP
- Primary taxonomy
- Women's Health Nurse Practitioner 363LW0102X
- License number
- F420999-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 25 E 86TH St, New York, NY 10028
- Phone
- (609) 468-3670
- Enumerated
- Oct 26, 2010
- Record last updated
- Feb 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest women's health nurse practitioner records → All 702 in New York → Look up another NPI →
Also registered at 25 E 86TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barney Kenet, M.D.Specialist1992810469
Verify Rebecca Zack Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F420999-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024
46 Medicare Part D claims for 18 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Bijuva12 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.
Industry payments in 2024: $325.85
16 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 3,574 providers of this specialty with any payment received $426.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Rebecca Zack Callahan among 702 women's health nurse practitioner records in New York
Rebecca Zack Callahan, MSN, WHCNP is one of 702 women's health nurse practitioner records with a practice address in New York. 53% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 35% of them.
- NPI issued2010 · 35% of these records are older, 61% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileNo · 31% of these records are
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Women's Health Nurse Practitioner providers in New York
There are 702 women's health nurse practitioner records in New York.
All 702 in New York → Every provider in New York → Women's Health Nurse Practitioner nationwide →
The 8 women's health nurse practitioner records with the nearest ZIP codes
- Kelly Lu, DNP, WHNP-BCNew York, NY 100281346041951
- Katie Sharp, NPNew York, NY 100281437630928
- Patricia Anders, N.P.New York, NY 100271053431262
- Eresha Bennett, WHNP-BCNew York, NY 100291699197004
- Katherine Dunning, NPNew York, NY 100291124441498
- Ellyn Gerry, NPNew York, NY 100291982760385
- April HansenNew York, NY 100291649984105
- Latisha Lowery, NPNew York, NY 100291336908979
Common questions
What is Rebecca Zack Callahan, MSN, WHCNP's NPI number?
Rebecca Zack Callahan, MSN, WHCNP's National Provider Identifier (NPI) is 1073813960, issued on Oct 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Zack Callahan, MSN, WHCNP located?
The NPPES record lists a practice address at 25 E 86TH St, New York, NY, 10028. Phone: (609) 468-3670. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Zack Callahan, MSN, WHCNP's license?
NPPES lists New York license number F420999-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Rebecca Zack Callahan, MSN, WHCNP prescribe under Medicare Part D?
In 2024, Rebecca Zack Callahan, MSN, WHCNP had 46 Medicare Part D claims for 18 beneficiaries; the average among women's health nurse practitioner prescribers was 217. 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.