Nadine Grace-Abraham, MD
NPI 1770112781 · Family Medicine Physician · San Bernardino, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nadine Grace-Abraham, MD is a Family Medicine Physician provider in San Bernardino, CA (NPI 1770112781).
Provider details
- NPI number
- 1770112781
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A182930 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
113 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 35 Minutes99232 | 60 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $131 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 | $82 |
| Hemoglobin A1c Level83036 | 17 | $7 |
Typical Medicare-allowed amounts for these services range $7–$131 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 107 | 42 |
| Semaglutidebrand: Ozempic | 54 | 19 |
| Losartan Potassium | 41 | 22 |
| Empagliflozinbrand: Jardiance | 39 | 14 |
| Metformin Hcl | 37 | 18 |
| Lisinopril | 34 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 25333 Barton RdLoma Linda, CA 92350-0210Phone: (909) 558-6600
Registry dates
- Enumerated
- 2020-04-02
- Last updated
- 2023-08-07
- Certified
- 2023-08-07
Frequently asked questions
- What is Nadine Grace-Abraham's NPI number?
- Nadine Grace-Abraham's National Provider Identifier (NPI) is 1770112781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadine Grace-Abraham's specialty?
- Nadine Grace-Abraham is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nadine Grace-Abraham located?
- Nadine Grace-Abraham's practice location on file with NPPES is 250 S G St, San Bernardino, CA 92410-3320.
- What is Nadine Grace-Abraham's phone number?
- The practice phone number listed in the NPPES registry for Nadine Grace-Abraham is (909) 382-7100.
- Does Nadine Grace-Abraham accept Medicare?
- Nadine Grace-Abraham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nadine Grace-Abraham's NPI active?
- Yes — Nadine Grace-Abraham's NPI (1770112781) is active in the NPPES registry as of the last update on 2023-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.