Linda Alison Hillier, D.O.
Internal Medicine Physician · Pasadena, CA
Linda Alison Hillier, D.O. is an internal medicine physician with a practice address in Pasadena, California, and NPI 1407029192, issued on Apr 2, 2008. Check the license (California 20A9803, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Linda Alison Hillier
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A9803 CA
Self-reported in NPPES; status is on the state search - Practice location
- 630 S Raymond Ave, Pasadena, CA 91105
- Phone
- (626) 795-4223
- Enumerated
- Apr 2, 2008
- Record last updated
- Nov 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081118000873); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 630 S Raymond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Linda Alison Hillier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average internal medicine physician in 2024
5,476 Medicare Part D claims for 596 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 43 claims were for opioids.
Most prescribed
- Atorvastatin Calcium688 claims
- Levothyroxine Sodium332 claims
- Amlodipine Besylate299 claims
- Rosuvastatin Calcium290 claims
- Metformin Hcl210 claims
- Lisinopril190 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $997.05
50 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Joseph J. Pachorek MD Inc A California CorporationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
137 internal medicine physician records list a practice address in Pasadena
They are 137 of the 10,525 NPPES records with a practice address in Pasadena, and 17,696 internal medicine physician records in California.
All 137 in Pasadena → All 17,696 in California → Every provider in Pasadena →
Other internal medicine physician records in California
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- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Linda Alison Hillier, D.O.'s NPI number?
Linda Alison Hillier, D.O.'s National Provider Identifier (NPI) is 1407029192, issued on Apr 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Linda Alison Hillier, D.O. located?
The NPPES record lists a practice address at 630 S Raymond Ave, Pasadena, CA, 91105. Phone: (626) 795-4223. Providers update this record themselves, so call before visiting.
How can I verify Linda Alison Hillier, D.O.'s license?
NPPES lists California license number 20A9803, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Linda Alison Hillier, D.O. prescribe under Medicare Part D?
In 2024, Linda Alison Hillier, D.O. had 5,476 Medicare Part D claims for 596 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Linda Alison Hillier, D.O.'s MIPS final score?
The 2023 MIPS final score is 92.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.