Jonathan C. Grossmann, M.D.
Family Medicine Physician · Orange City, IA
Jonathan C. Grossmann, M.D. is a family medicine physician with a practice address in Orange City, Iowa, and NPI 1730166935, issued on Dec 28, 2005. Check the license (Iowa 30022, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathan C. Grossmann
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 30022 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Lincoln Cir SE, Orange City, IA 51041
- Phone
- (712) 737-2000
- Enumerated
- Dec 28, 2005
- Record last updated
- Feb 9, 2023
- Fax
- (712) 737-2115
- Medicaid IDs
- 0634626 IA
5099184 IA
6099184 IA - Medicare enrollment
- Enrolled (PECOS I20060502000077); may accept Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1000 Lincoln Cir SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Adams, DPTPhysical Therapist1922454297
- Glenda Altena, ARNPFamily Nurse Practitioner1013995919
- Lori Anderson, PAMedical Physician Assistant1083932834
- Susan BlankersPhysical Therapist1073773255
- Olivia Chapman, FNPFamily Nurse Practitioner1952853343
- James Clemens, M.D.Family Medicine Physician1427043744
Verify Jonathan C. Grossmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 30022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average family medicine physician in 2024
5,042 Medicare Part D claims for 251 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 151 claims were for opioids.
Most prescribed
- Metoprolol Succinate216 claims
- Atorvastatin Calcium211 claims
- Omeprazole185 claims
- Furosemide163 claims
- Lisinopril160 claims
- Amlodipine Besylate142 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Orange City Municipal HospitalOrange City, IA
- Sports Rehab And Professional Therapy Associates IncStorm Lake, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan C. Grossmann among 2,336 family medicine physician records in Iowa
Jonathan C. Grossmann, M.D. is one of 2,336 family medicine physician records with a practice address in Iowa. 75% 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, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1993 · median 2006 among the 1,367 with a school on file
- Record last updated2023 · 61% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Orange City
They are 16 of the 186 NPPES records with a practice address in Orange City, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Orange City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Clemens, M.D.Orange City, IA 510411427043744
- Taylor Dreise, DOOrange City, IA 510411700444932
- Harrison Hanson, MDOrange City, IA 510411043419682
- Michael Jurgens, MDOrange City, IA 510411295724052
- Lee Kamstra, M.D.Orange City, IA 510411164409215
- Alan Laird, M.D.Orange City, IA 510411104803303
- Nigel Millard, DOOrange City, IA 510411194924886
- Marie Moeller, M.D.Orange City, IA 510411508871252
Common questions
What is Jonathan C. Grossmann, M.D.'s NPI number?
Jonathan C. Grossmann, M.D.'s National Provider Identifier (NPI) is 1730166935, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan C. Grossmann, M.D. located?
The NPPES record lists a practice address at 1000 Lincoln Cir SE, Orange City, IA, 51041. Phone: (712) 737-2000. Providers update this record themselves, so call before visiting.
How can I verify Jonathan C. Grossmann, M.D.'s license?
NPPES lists Iowa license number 30022, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan C. Grossmann, M.D. prescribe under Medicare Part D?
In 2024, Jonathan C. Grossmann, M.D. had 5,042 Medicare Part D claims for 251 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jonathan C. Grossmann, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.