NPPES file of Aug 9, 2026

Diane L. Hutchison, M.D.

Family Medicine Physician · Encinitas, CA

Diane L. Hutchison, M.D. is a family medicine physician with a practice address in Encinitas, California, and NPI 1629054234, issued on Dec 16, 2005. Check the license (California G79309, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629054234
Name
Diane L. Hutchison
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G79309 CA
Self-reported in NPPES; status is on the state search
Practice location
447 N EL Camino Real, Encinitas, CA 92024
Phone
(760) 634-6922
Enumerated
Dec 16, 2005
Record last updated
Oct 3, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050906000545); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1992
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Diane L. Hutchison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79309
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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34% fewer Medicare Part D claims than the average family medicine physician in 2024

2,350 Medicare Part D claims for 210 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Diane Hutchison2,350
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium232 claims
  2. Rosuvastatin Calcium228 claims
  3. Atorvastatin Calcium135 claims
  4. Losartan Potassium101 claims
  5. Metoprolol Succinate91 claims
  6. Hydrochlorothiazide82 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.

Diane L. Hutchison among 17,133 family medicine physician records in California

Diane L. Hutchison, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1992 · median 2005 among the 10,652 with a school on file
  • Record last updated2014 · 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).

53 family medicine physician records list a practice address in Encinitas

They are 53 of the 1,874 NPPES records with a practice address in Encinitas, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Craig Duck, M.D.Encinitas, CA 920241306808613
  2. Susan Glockner, M.D.Encinitas, CA 920241184686495
  3. James Hay, M.D.Encinitas, CA 920241821050758
  4. Trang Le, MDEncinitas, CA 920241528086303
  5. Gerard Lumkong, MDEncinitas, CA 920241720001977
  6. Alexis Masciana, MDEncinitas, CA 920241851382352
  7. Scott Mercer, M.D.Encinitas, CA 920241295736031
  8. Georgine Nanos, M.D.Encinitas, CA 920241992767214

Common questions

What is Diane L. Hutchison, M.D.'s NPI number?

Diane L. Hutchison, M.D.'s National Provider Identifier (NPI) is 1629054234, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Diane L. Hutchison, M.D. located?

The NPPES record lists a practice address at 447 N EL Camino Real, Encinitas, CA, 92024. Phone: (760) 634-6922. Providers update this record themselves, so call before visiting.

How can I verify Diane L. Hutchison, M.D.'s license?

NPPES lists California license number G79309, 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 Diane L. Hutchison, M.D. prescribe under Medicare Part D?

In 2024, Diane L. Hutchison, M.D. had 2,350 Medicare Part D claims for 210 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.