Linda Hillier, D.O.
NPI 1407029192 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linda Hillier, D.O. is a Internal Medicine Physician provider in Pasadena, CA (NPI 1407029192).
Provider details
- NPI number
- 1407029192
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A9803 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,059 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 684 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 365 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 323 | $141 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 251 | $21 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 244 | $98 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 688 | 200 |
| Levothyroxine Sodium | 332 | 89 |
| Amlodipine Besylate | 299 | 82 |
| Rosuvastatin Calcium | 290 | 88 |
| Metformin Hcl | 210 | 70 |
| Lisinopril | 190 | 57 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$997 across 50 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
- 2008-04-02
- Last updated
- 2008-11-26
Frequently asked questions
- What is Linda Hillier's NPI number?
- Linda Hillier's National Provider Identifier (NPI) is 1407029192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Hillier's specialty?
- Linda Hillier is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Linda Hillier located?
- Linda Hillier's practice location on file with NPPES is 630 S Raymond Ave, Pasadena, CA 91105-3278.
- What is Linda Hillier's phone number?
- The practice phone number listed in the NPPES registry for Linda Hillier is (626) 795-4223.
- Does Linda Hillier accept Medicare?
- Linda Hillier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linda Hillier's NPI active?
- Yes — Linda Hillier's NPI (1407029192) is active in the NPPES registry as of the last update on 2008-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.