Jonathan Grossmann, M.D.
NPI 1730166935 · Family Medicine Physician · Orange City, IA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Grossmann, M.D. is a Family Medicine Physician provider in Orange City, IA (NPI 1730166935).
Provider details
- NPI number
- 1730166935
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 30022 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
105 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 58 | $73 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 26 | $15 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 21 | $75 |
Typical Medicare-allowed amounts for these services range $15–$75 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 216 | 46 |
| Atorvastatin Calcium | 211 | 47 |
| Omeprazole | 185 | 42 |
| Furosemide | 163 | 41 |
| Lisinopril | 160 | 39 |
| Amlodipine Besylate | 142 | 40 |
| Losartan Potassium | 132 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-28
- Last updated
- 2023-02-09
- Certified
- 2023-02-09
Frequently asked questions
- What is Jonathan Grossmann's NPI number?
- Jonathan Grossmann's National Provider Identifier (NPI) is 1730166935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Grossmann's specialty?
- Jonathan Grossmann is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Grossmann located?
- Jonathan Grossmann's practice location on file with NPPES is 1000 Lincoln Cir Se, Orange City, IA 51041-1862.
- What is Jonathan Grossmann's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Grossmann is (712) 737-2000.
- Does Jonathan Grossmann accept Medicare?
- Jonathan Grossmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Grossmann's NPI active?
- Yes — Jonathan Grossmann's NPI (1730166935) is active in the NPPES registry as of the last update on 2023-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.