Heather Ferguson, MD
NPI 1144849175 · Internal Medicine Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Ferguson, MD is a Internal Medicine Physician provider in Loma Linda, CA (NPI 1144849175).
Provider details
- NPI number
- 1144849175
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A178860 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 128 | 85 |
| Amlodipine Besylate | 86 | 46 |
| Losartan Potassium | 82 | 46 |
| Levothyroxine Sodium | 80 | 35 |
| Lisinopril | 61 | 34 |
| Metformin Hcl | 57 | 40 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-09
- Last updated
- 2023-10-11
- Certified
- 2023-10-11
Frequently asked questions
- What is Heather Ferguson's NPI number?
- Heather Ferguson's National Provider Identifier (NPI) is 1144849175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Ferguson's specialty?
- Heather Ferguson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Ferguson located?
- Heather Ferguson's practice location on file with NPPES is 11175 Campus St # 11120l, Loma Linda, CA 92350-1700.
- What is Heather Ferguson's phone number?
- The practice phone number listed in the NPPES registry for Heather Ferguson is (909) 651-5582.
- Does Heather Ferguson accept Medicare?
- Heather Ferguson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Ferguson's NPI active?
- Yes — Heather Ferguson's NPI (1144849175) is active in the NPPES registry as of the last update on 2023-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.