Barbara Frederick, NP-C
NPI 1932516515 · Family Nurse Practitioner · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Frederick, NP-C is a Family Nurse Practitioner provider in Grand Rapids, MI (NPI 1932516515).
Provider details
- NPI number
- 1932516515
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 4704233662 (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
11 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
102 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $53 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 18 | $28 |
Typical Medicare-allowed amounts for these services range $28–$53 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 32 | 31 |
| Atorvastatin Calcium | 26 | — |
| Lisinopril | 26 | 12 |
| Amlodipine Besylate | 24 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 21 | 20 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 16 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-16
- Last updated
- 2023-09-08
- Certified
- 2023-09-08
Frequently asked questions
- What is Barbara Frederick's NPI number?
- Barbara Frederick's National Provider Identifier (NPI) is 1932516515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Frederick's specialty?
- Barbara Frederick is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Frederick located?
- Barbara Frederick's practice location on file with NPPES is 2332 Alpine Ave Nw, Grand Rapids, MI 49544-1955.
- What is Barbara Frederick's phone number?
- The practice phone number listed in the NPPES registry for Barbara Frederick is (616) 391-6220.
- Does Barbara Frederick accept Medicare?
- Barbara Frederick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Frederick's NPI active?
- Yes — Barbara Frederick's NPI (1932516515) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.