Carol Joan Grobner, DO
Family Medicine Physician · Michigan City, IN
Carol Joan Grobner, DO is a family medicine physician with a practice address in Michigan City, Indiana, and NPI 1790753218, issued on Mar 9, 2006. Check the license (Indiana 02002248A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Carol Joan Grobner
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 02002248A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1225 E Coolspring Ave Ste 2B, Michigan City, IN 46360
- Phone
- (219) 878-5029
- Enumerated
- Mar 9, 2006
- Record last updated
- Jul 31, 2023
- Fax
- (219) 878-8493
- Medicaid ID
- 201290810 IN
- Medicare enrollment
- Enrolled (PECOS I20150605001666); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 1225 E Coolspring Ave Ste 2B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Bronner, FNP-CFamily Nurse Practitioner1750651188
- Cashawn Springer, NPFamily Nurse Practitioner1669291761
Verify Carol Joan Grobner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02002248ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,702 Medicare Part D claims for 485 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 298 claims were for opioids.
Most prescribed
- Atorvastatin Calcium408 claims
- Lisinopril306 claims
- Amlodipine Besylate291 claims
- Levothyroxine Sodium266 claims
- Pantoprazole Sodium210 claims
- Gabapentin205 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: $153.69
7 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Franciscan Physician NetworkMichigan City, IN
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carol Joan Grobner among 3,506 family medicine physician records in Indiana
Carol Joan Grobner, DO 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 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1998 · median 2005 among the 2,196 with a school on file
- 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).
21 family medicine physician records list a practice address in Michigan City
They are 21 of the 596 NPPES records with a practice address in Michigan City, and 3,506 family medicine physician records in Indiana.
All 3,506 in Indiana → Every provider in Michigan City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Margaret Bailey, DOMichigan City, IN 463601841283348
- Michael Best, MDMichigan City, IN 463601083621510
- James Callaghan, M.D.Michigan City, IN 463601790755866
- Ralph Caruso, DOMichigan City, IN 463601154366680
- Sandra Deausy, MDMichigan City, IN 463601205843943
- Franklin Firestone, M.D.Michigan City, IN 463601164492245
- Cheryl Krueger, FNPMichigan City, IN 463601952396772
- Robert Lemay, M.D.Michigan City, IN 463601326018094
Common questions
What is Carol Joan Grobner, DO's NPI number?
Carol Joan Grobner, DO's National Provider Identifier (NPI) is 1790753218, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carol Joan Grobner, DO located?
The NPPES record lists a practice address at 1225 E Coolspring Ave Ste 2B, Michigan City, IN, 46360. Phone: (219) 878-5029. Providers update this record themselves, so call before visiting.
How can I verify Carol Joan Grobner, DO's license?
NPPES lists Indiana license number 02002248A, 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 Carol Joan Grobner, DO prescribe under Medicare Part D?
In 2024, Carol Joan Grobner, DO had 7,702 Medicare Part D claims for 485 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.