Nicholas Grunloh, PA-C
NPI 1689303703 · Physician Assistant · Indianapolis, IN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Grunloh, PA-C is a Physician Assistant provider in Indianapolis, IN (NPI 1689303703).
Provider details
- NPI number
- 1689303703
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 10003661A (IN)
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 tenure28% of score
4 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
162 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 50 Minutes99233 | 91 | $93 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 | $136 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 27 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 15 | $62 |
Typical Medicare-allowed amounts for these services range $62–$136 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-06
- Last updated
- 2022-08-01
- Certified
- 2022-08-01
Frequently asked questions
- What is Nicholas Grunloh's NPI number?
- Nicholas Grunloh's National Provider Identifier (NPI) is 1689303703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Grunloh's specialty?
- Nicholas Grunloh is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Grunloh located?
- Nicholas Grunloh's practice location on file with NPPES is 550 University Blvd, Indianapolis, IN 46202-5149.
- What is Nicholas Grunloh's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Grunloh is (317) 944-5000.
- Does Nicholas Grunloh accept Medicare?
- Nicholas Grunloh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Grunloh's NPI active?
- Yes — Nicholas Grunloh's NPI (1689303703) is active in the NPPES registry as of the last update on 2022-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.