Harriet A. Hamer, M.D.
Pain Medicine (Anesthesiology) Physician · South Bend, IN
Harriet A. Hamer, M.D. is a pain medicine (anesthesiology) physician with a practice address in South Bend, Indiana, and NPI 1366429110, issued on Dec 22, 2005. Check the license (Indiana 01033770, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Harriet A. Hamer
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- 01033770 IN
Self-reported in NPPES; status is on the state search - Practice location
- 416 E Monroe St, South Bend, IN 46601
- Phone
- (574) 232-8119
- Enumerated
- Dec 22, 2005
- Record last updated
- Feb 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (574) 288-0235
- Medicaid ID
- 100318620 IN
- Medicare enrollment
- Enrolled (PECOS I20091109000000); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 86 in Indiana → Look up another NPI →
Also registered at 416 E Monroe St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claude Adriatico, MDAnesthesiology Physician1891887063
- John Arnold, M.D.Anesthesiology Physician1558526061
- Lynn Calhoun, M.D.Anesthesiology Physician1467439216
- Daniel Cooke, M.D.Pain Medicine (Anesthesiology) Physician1154308906
- Erin Datzman, M.DAnesthesiology Physician1316157290
- Nicholas Datzman, MDAnesthesiology Physician1457569782
Verify Harriet A. Hamer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01033770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
448 Medicare Part D claims for 86 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 74 claims were for opioids.
Most prescribed
- Gabapentin121 claims
- Pregabalin45 claims
- Baclofen40 claims
- Methocarbamol32 claims
- Hydrocodone-Acetaminophen25 claims
- Amitriptyline Hcl22 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.
Bills Medicare through one group practice
- Southeast Anesthesiologists, Inc.Indianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harriet A. Hamer among 86 pain medicine (anesthesiology) physician records in Indiana
Harriet A. Hamer, M.D. is one of 86 pain medicine (anesthesiology) physician records with a practice address in Indiana. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1984 · median 2003 among the 72 with a school on file
- Record last updated2015 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Indiana
There are 86 pain medicine (anesthesiology) physician records in Indiana.
All 86 in Indiana → Every provider in South Bend → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Daniel Cooke, M.D.South Bend, IN 466011154308906
- Andrew Kalin, MDGoshen, IN 465261811100043
- Poopalasingham Poovendran, MDGoshen, IN 465261679555759
- David Beatty, MDElkhart, IN 465141174534895
- Jasveer Grewal, MDElkhart, IN 465141083735765
- Gene Grove, MDElkhart, IN 465141285645903
- Tarek Shahbandar, M.D.Merrillville, IN 464101922007749
- Charles Lindzy, MDFort Wayne, IN 468041245449172
Common questions
What is Harriet A. Hamer, M.D.'s NPI number?
Harriet A. Hamer, M.D.'s National Provider Identifier (NPI) is 1366429110, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Harriet A. Hamer, M.D. located?
The NPPES record lists a practice address at 416 E Monroe St, South Bend, IN, 46601. Phone: (574) 232-8119. Providers update this record themselves, so call before visiting.
How can I verify Harriet A. Hamer, M.D.'s license?
NPPES lists Indiana license number 01033770, 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 Harriet A. Hamer, M.D. prescribe under Medicare Part D?
In 2024, Harriet A. Hamer, M.D. had 448 Medicare Part D claims for 86 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.