Carolyn Ann Hennecken, MD
Internal Medicine Physician · New York, NY
Carolyn Ann Hennecken, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1336769751, issued on Apr 26, 2020. Check the license (New York 322236, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Carolyn Ann Hennecken
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 322236 NY
Self-reported in NPPES; status is on the state search - Practice location
- 173 Fort Washington Ave, New York, NY 10032
- Phone
- (212) 305-4600
- Enumerated
- Apr 26, 2020
- Record last updated
- May 11, 2023
- Fax
- (212) 305-7439
- Medicare enrollment
- Enrolled (PECOS I20230623002143); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
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Also registered at 173 Fort Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carolyn Ann Hennecken 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 322236Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,962 Medicare Part D claims for 266 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Atorvastatin Calcium118 claims
- Jardiance76 claims
- Losartan Potassium67 claims
- Tacrolimus66 claims
- Metoprolol Succinate65 claims
- Prednisone64 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: $987.82
38 payments; by number, the most common kind was food and beverage; the largest payer was Kiniksa Pharmaceuticals International, plc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carolyn Ann Hennecken among 12,067 internal medicine physician records in New York
Carolyn Ann Hennecken, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2002 among the 7,221 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Asqual Getaneh, M.D.New York, NY 100321851330872
- Andrew Kanter, M.D., M.P.H.New York, NY 100321366544660
- Ian Kronish, MDNew York, NY 100321073542866
- Roy Lackey, MDNew York, NY 100321578571469
Common questions
What is Carolyn Ann Hennecken, MD's NPI number?
Carolyn Ann Hennecken, MD's National Provider Identifier (NPI) is 1336769751, issued on Apr 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Ann Hennecken, MD located?
The NPPES record lists a practice address at 173 Fort Washington Ave, New York, NY, 10032. Phone: (212) 305-4600. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Ann Hennecken, MD's license?
NPPES lists New York license number 322236, 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 Carolyn Ann Hennecken, MD prescribe under Medicare Part D?
In 2024, Carolyn Ann Hennecken, MD had 1,962 Medicare Part D claims for 266 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.