Kirsten Oosterbaan, PA-C
NPI 1306202072 · Medical Physician Assistant · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kirsten Oosterbaan, PA-C is a Medical Physician Assistant provider in Grand Rapids, MI (NPI 1306202072).
Provider details
- NPI number
- 1306202072
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 5601007651 (MI)
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 tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 31 | 17 |
| Amlodipine Besylate | 29 | 11 |
| Levothyroxine Sodium | 22 | — |
| Omeprazole | 21 | 11 |
| Bupropion Hclbrand: Bupropion Xl | 18 | — |
| Lisinopril | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$112 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-01-11
- Last updated
- 2021-02-25
- Certified
- 2021-02-25
Frequently asked questions
- What is Kirsten Oosterbaan's NPI number?
- Kirsten Oosterbaan's National Provider Identifier (NPI) is 1306202072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kirsten Oosterbaan's specialty?
- Kirsten Oosterbaan is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kirsten Oosterbaan located?
- Kirsten Oosterbaan's practice location on file with NPPES is 100 Michigan St Ne, Grand Rapids, MI 49503-2560.
- What is Kirsten Oosterbaan's phone number?
- The practice phone number listed in the NPPES registry for Kirsten Oosterbaan is (616) 486-6790.
- Does Kirsten Oosterbaan accept Medicare?
- Kirsten Oosterbaan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kirsten Oosterbaan's NPI active?
- Yes — Kirsten Oosterbaan's NPI (1306202072) is active in the NPPES registry as of the last update on 2021-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.