Gretchen Holt-Vredevoogd, PA-C
NPI 1366557688 · Medical Physician Assistant · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Holt-Vredevoogd, PA-C is a Medical Physician Assistant provider in Grand Rapids, MI (NPI 1366557688).
Provider details
- NPI number
- 1366557688
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 5601004218 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
112 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) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 45 | $65 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 | $148 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 23 | $102 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 15 | $43 |
Typical Medicare-allowed amounts for these services range $43–$148 (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
Additional practice locations (1)
- 100 Michigan St NeGrand Rapids, MI 49503-2560Phone: (616) 391-1680
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2021-02-17
- Certified
- 2021-02-17
Frequently asked questions
- What is Gretchen Holt-Vredevoogd's NPI number?
- Gretchen Holt-Vredevoogd's National Provider Identifier (NPI) is 1366557688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Holt-Vredevoogd's specialty?
- Gretchen Holt-Vredevoogd is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Holt-Vredevoogd located?
- Gretchen Holt-Vredevoogd's practice location on file with NPPES is 145 Michigan St Ne Ste 3410, Grand Rapids, MI 49503-2563.
- What is Gretchen Holt-Vredevoogd's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Holt-Vredevoogd is (616) 391-9945.
- Does Gretchen Holt-Vredevoogd accept Medicare?
- Gretchen Holt-Vredevoogd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Holt-Vredevoogd's NPI active?
- Yes — Gretchen Holt-Vredevoogd's NPI (1366557688) is active in the NPPES registry as of the last update on 2021-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.