Margaret Vandewater, NP
NPI 1902275506 · Nurse Practitioner · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Vandewater, NP is a Nurse Practitioner provider in Grand Rapids, MI (NPI 1902275506).
Provider details
- NPI number
- 1902275506
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704263655 (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 tenure28% of score
10 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
163 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $79 |
| 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 | 47 | $13 |
Typical Medicare-allowed amounts for these services range $13–$79 (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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 154 | 67 |
| Atorvastatin Calcium | 132 | 62 |
| Losartan Potassium | 109 | 49 |
| Levothyroxine Sodium | 97 | 35 |
| Lisinopril | 70 | 35 |
| Metoprolol Succinate | 63 | 33 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-09-24
- Last updated
- 2015-09-24
Frequently asked questions
- What is Margaret Vandewater's NPI number?
- Margaret Vandewater's National Provider Identifier (NPI) is 1902275506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Vandewater's specialty?
- Margaret Vandewater is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Vandewater located?
- Margaret Vandewater's practice location on file with NPPES is 245 Cherry St Se, Grand Rapids, MI 49503-4607.
- What is Margaret Vandewater's phone number?
- The practice phone number listed in the NPPES registry for Margaret Vandewater is (616) 685-3200.
- Does Margaret Vandewater accept Medicare?
- Margaret Vandewater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Vandewater's NPI active?
- Yes — Margaret Vandewater's NPI (1902275506) is active in the NPPES registry as of the last update on 2015-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.