NPPES file of Aug 9, 2026

Gregory Alan Foster, M.D.

Psychiatry Physician · Hershey, PA

Gregory Alan Foster, M.D. is a psychiatry physician with a practice address in Hershey, Pennsylvania, and NPI 1609912070, issued on Jan 30, 2007. Check the license (Pennsylvania MD437889, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609912070
Name
Gregory Alan Foster
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
MD437889 PA
T - 1892 MD
Self-reported in NPPES; status is on the state search
Practice location
205 West Caracas Avenue, Hershey, PA 17033
Phone
(717) 298-6280
Enumerated
Jan 30, 2007
Record last updated
Dec 17, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(717) 298-6283
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 205 West Caracas Avenue

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Foster, M.D.Psychiatry Physician1629014964

Verify Gregory Alan Foster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD437889
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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89% fewer Medicare Part D claims than the average psychiatry physician in 2024

108 Medicare Part D claims for 11 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Gregory Foster108
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl11 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: $1,045.86

39 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Foster$1,045.86
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Gregory Alan Foster among 2,662 psychiatry physician records in Pennsylvania

Gregory Alan Foster, M.D. is one of 2,662 psychiatry physician records with a practice address in Pennsylvania. 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 2007, is newer than 39% of them.

  • NPI issued2007 · 39% of these records are older, 46% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2014 · 60% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 psychiatry physician records list a practice address in Hershey

They are 47 of the 3,972 NPPES records with a practice address in Hershey, and 2,662 psychiatry physician records in Pennsylvania.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Errol Aksu, MDHershey, PA 170331720032824
  2. Joseph Barber, MDHershey, PA 170331861449142
  3. Ailyn Diaz, MDHershey, PA 170331063424356
  4. Elaine Douglas, MDHershey, PA 170331558347369
  5. Lisa Foster, M.D.Hershey, PA 170331629014964
  6. Mohammad Hameed, MDHershey, PA 170331467506600
  7. Barbara Kuhlengel, M.D.Hershey, PA 170331457358640
  8. Jeffrey Lorberbaum, MDHershey, PA 170331497708101

Common questions

What is Gregory Alan Foster, M.D.'s NPI number?

Gregory Alan Foster, M.D.'s National Provider Identifier (NPI) is 1609912070, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Alan Foster, M.D. located?

The NPPES record lists a practice address at 205 West Caracas Avenue, Hershey, PA, 17033. Phone: (717) 298-6280. Providers update this record themselves, so call before visiting.

How can I verify Gregory Alan Foster, M.D.'s license?

NPPES lists Pennsylvania license number MD437889, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory Alan Foster, M.D. prescribe under Medicare Part D?

In 2024, Gregory Alan Foster, M.D. had 108 Medicare Part D claims for 11 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.