Haley Holway Miller, MD
Family Medicine Physician · Gilroy, CA
Haley Holway Miller, MD is a family medicine physician with a practice address in Gilroy, California, and NPI 1306334420, issued on Apr 24, 2018. Check the license (California A167457, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Haley Holway Miller
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A167457 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7475 Camino Arroyo, Gilroy, CA 95020
- Phone
- (800) 334-1000
- Enumerated
- Apr 24, 2018
- Record last updated
- Jan 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20240802001888); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 7475 Camino Arroyo
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edward De LunaMental Health Counselor1770608705
- Roji EnriquezLicensed Psychiatric Technician1336532720
- Susan Hayatghaib, LCSWClinical Social Worker1306960729
Verify Haley Holway Miller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A167457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average family medicine physician in 2024
1,193 Medicare Part D claims for 140 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 51 claims were for opioids.
Most prescribed
- Atorvastatin Calcium88 claims
- Amlodipine Besylate66 claims
- Metformin Hcl41 claims
- Fluticasone Propionate40 claims
- Metoprolol Succinate37 claims
- Hydrocodone-Acetaminophen36 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): 80.6 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).
Bills Medicare through one group practice
- Eastern Maine Medical CenterBangor, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Haley Holway Miller among 17,133 family medicine physician records in California
Haley Holway Miller, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 family medicine physician records list a practice address in Gilroy
They are 28 of the 2,100 NPPES records with a practice address in Gilroy, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Gilroy → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Lawrence Gamboa, M.D.Gilroy, CA 950201407872187
- Roy Johnson, MDGilroy, CA 950201275619793
- Smitha Kumar, MDGilroy, CA 950201619965688
- Jocelyn Lim, D.OGilroy, CA 950201770507071
- Roger Lucero, MDGilroy, CA 950201437136801
Common questions
What is Haley Holway Miller, MD's NPI number?
Haley Holway Miller, MD's National Provider Identifier (NPI) is 1306334420, issued on Apr 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Haley Holway Miller, MD located?
The NPPES record lists a practice address at 7475 Camino Arroyo, Gilroy, CA, 95020. Phone: (800) 334-1000. Providers update this record themselves, so call before visiting.
How can I verify Haley Holway Miller, MD's license?
NPPES lists California license number A167457, 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 Haley Holway Miller, MD prescribe under Medicare Part D?
In 2024, Haley Holway Miller, MD had 1,193 Medicare Part D claims for 140 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Haley Holway Miller, MD's MIPS final score?
The 2023 MIPS final score is 80.6 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.