John Phillip Cosgrove, D.O.
Family Medicine Physician · Hammond, IN
John Phillip Cosgrove, D.O. is a family medicine physician with a practice address in Hammond, Indiana, and NPI 1669638425, issued on Jul 31, 2008. Check the license (Indiana 2003551, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- John Phillip Cosgrove
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2003551 IN
Self-reported in NPPES; status is on the state search - Practice location
- 559 State St, Hammond, IN 46320
- Phone
- (219) 937-3300
- Enumerated
- Jul 31, 2008
- Record last updated
- Aug 31, 2023
- Fax
- (219) 803-7252
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 559 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kwame Foucher, M.D.Family Medicine Physician1336209527
- Frank Stirlacci, M.D.Internal Medicine Physician1386751964
Verify John Phillip Cosgrove in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 2003551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
231 Medicare Part D claims for 62 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Oxcarbazepine14 claims
- Amlodipine Besylate13 claims
- Clonazepam13 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.
John Phillip Cosgrove among 3,506 family medicine physician records in Indiana
John Phillip Cosgrove, D.O. is one of 3,506 family medicine physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family medicine physician records list a practice address in Hammond
They are 18 of the 369 NPPES records with a practice address in Hammond, and 3,506 family medicine physician records in Indiana.
All 3,506 in Indiana → Every provider in Hammond → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kwame Foucher, M.D.Hammond, IN 463201336209527
- John George, MDHammond, IN 463201194190256
- Marshall James, MDHammond, IN 463201134179963
- Soyong Lee, M.D.Hammond, IN 463201770158677
- Jose Lusancarez, M.D.Hammond, IN 463201609180249
- Krishna Pahuja, M.D.Hammond, IN 463201033176383
- Jeannie Rhodes, DOHammond, IN 463201215929062
- Shiv Sharma, M.D.Hammond, IN 463201649378175
Common questions
What is John Phillip Cosgrove, D.O.'s NPI number?
John Phillip Cosgrove, D.O.'s National Provider Identifier (NPI) is 1669638425, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Phillip Cosgrove, D.O. located?
The NPPES record lists a practice address at 559 State St, Hammond, IN, 46320. Phone: (219) 937-3300. Providers update this record themselves, so call before visiting.
How can I verify John Phillip Cosgrove, D.O.'s license?
NPPES lists Indiana license number 2003551, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Phillip Cosgrove, D.O. prescribe under Medicare Part D?
In 2024, John Phillip Cosgrove, D.O. had 231 Medicare Part D claims for 62 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.