Joyce Ellen Gerdis Karp, M.D.
Psychiatry Physician · New York, NY
Joyce Ellen Gerdis Karp, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1497888119, issued on Mar 13, 2007. Check the license (New York 177664, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joyce Ellen Gerdis Karp
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 177664 NY
Self-reported in NPPES; status is on the state search - Practice location
- 330 E 79TH St, New York, NY 10021
- Phone
- (212) 472-6483
- Enumerated
- Mar 13, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 263-6319
- Medicare enrollment
- Enrolled (PECOS I20120313000287); may accept Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1987
- Entity
- Type 1 · individual
Also registered at 330 E 79TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurie Gilkes, LCSW,BCDClinical Social Worker1871590034
- Victoria Kamppi, R.N.Plastic Surgery Registered Nurse1437484797
- Mariel Mangold, LCSWSocial Worker1053692772
- Harriet Rappaport, LCSWClinical Social Worker1972717866
Verify Joyce Ellen Gerdis Karp 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 177664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average psychiatry physician in 2024
838 Medicare Part D claims for 60 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Trazodone Hcl83 claims
- Bupropion Xl56 claims
- Escitalopram Oxalate43 claims
- Sertraline Hcl42 claims
- Lamotrigine41 claims
- Paroxetine Hcl39 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.
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 2,604 in New York → All 6,589 in New York → Every provider in New York →
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- Shelley AaronsNew York, NY1770883258
- James Abanishe, M.DNew New, NY1992053573
- Benjamin Abastillas, M.D.Hyde Park, NY1750439832
- Tessie AbastillasMarcy, NY1801098496
- Ashraf Abaza, M.D.New York, NY1831105246
- Israr Abbasi, MDLakewood, NY1518925437
Common questions
What is Joyce Ellen Gerdis Karp, M.D.'s NPI number?
Joyce Ellen Gerdis Karp, M.D.'s National Provider Identifier (NPI) is 1497888119, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joyce Ellen Gerdis Karp, M.D. located?
The NPPES record lists a practice address at 330 E 79TH St, New York, NY, 10021. Phone: (212) 472-6483. Providers update this record themselves, so call before visiting.
How can I verify Joyce Ellen Gerdis Karp, M.D.'s license?
NPPES lists New York license number 177664, 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 Joyce Ellen Gerdis Karp, M.D. prescribe under Medicare Part D?
In 2024, Joyce Ellen Gerdis Karp, M.D. had 838 Medicare Part D claims for 60 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.