Douglas Grossmann, PA-C
NPI 1679550727 · Physician Assistant · Orange City, IA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Grossmann, PA-C is a Physician Assistant provider in Orange City, IA (NPI 1679550727).
Provider details
- NPI number
- 1679550727
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 001252 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 33 | 31 |
| Azithromycin | 18 | 17 |
| Doxycycline Monohydrate | 15 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 14 |
| Ciprofloxacin Hcl | 13 | 11 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 12 | 12 |
| Fluticasone Propionate | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-29
- Last updated
- 2023-02-09
- Certified
- 2023-02-09
Frequently asked questions
- What is Douglas Grossmann's NPI number?
- Douglas Grossmann's National Provider Identifier (NPI) is 1679550727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Grossmann's specialty?
- Douglas Grossmann is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Douglas Grossmann located?
- Douglas Grossmann's practice location on file with NPPES is 1000 Lincoln Cir Se, Orange City, IA 51041-1862.
- What is Douglas Grossmann's phone number?
- The practice phone number listed in the NPPES registry for Douglas Grossmann is (712) 737-2000.
- Does Douglas Grossmann accept Medicare?
- Douglas Grossmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Grossmann's NPI active?
- Yes — Douglas Grossmann's NPI (1679550727) 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.