NPPES file of Aug 9, 2026

Hollanda Artemisa Leon, M.D.

Family Medicine Physician · Santa Barbara, CA

Hollanda Artemisa Leon, M.D. is a family medicine physician with a practice address in Santa Barbara, California, and NPI 1285619130, issued on Dec 14, 2005. Check the license (California A77124, 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
1285619130
Name
Hollanda Artemisa Leon
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A77124 CA
Self-reported in NPPES; status is on the state search
Practice location
4141 State St, Santa Barbara, CA 93110
Phone
(805) 681-7144
Enumerated
Dec 14, 2005
Record last updated
Jul 13, 2026
Fax
(805) 683-6108
Medicare enrollment
Enrolled (PECOS I20040614000985); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1999
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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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 4141 State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  2. Golsa Arad, DDS, MSProsthodontics1780161398
  3. Krista Armenta-Belen, D.B.H.Marriage & Family Therapist1013320720
  4. Ariana BathgateRegistered Nurse1972220150
  5. Bryce BeckerPhysician Assistant1568975829
  6. Lauren Beltran, RDNRegistered Dietitian1790556736

Verify Hollanda Artemisa Leon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A77124    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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61% fewer Medicare Part D claims than the average family medicine physician in 2024

1,377 Medicare Part D claims for 160 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Hollanda Leon1,377
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate110 claims
  2. Atorvastatin Calcium110 claims
  3. Lisinopril106 claims
  4. Losartan Potassium86 claims
  5. Levothyroxine Sodium70 claims
  6. Metformin Hcl49 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.

Bills Medicare through one group practice

  1. American Indian Health And Services CorporationSanta Barbara, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hollanda Artemisa Leon among 17,133 family medicine physician records in California

Hollanda Artemisa Leon, 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
  • Graduated1999 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 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).

90 family medicine physician records list a practice address in Santa Barbara

They are 90 of the 5,328 NPPES records with a practice address in Santa Barbara, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Santa Barbara → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Allan Bosko, M.D.Santa Barbara, CA 931101659486017
  2. Silvia Corral, M.D.Santa Barbara, CA 931101043327356
  3. Douglas Duncan, M.D.Santa Barbara, CA 931101932219086
  4. Kirk Gilbert, M.D.Santa Barbara, CA 931101346242344
  5. Bradley Hope, M.D.Santa Barbara, CA 931101003854571
  6. Randall Howard, M.D.Santa Barbara, CA 931101972613834
  7. Rachel KernoffSanta Barbara, CA 931101326085291
  8. John Landsberg, M.D.Santa Barbara, CA 931101033131511

Common questions

What is Hollanda Artemisa Leon, M.D.'s NPI number?

Hollanda Artemisa Leon, M.D.'s National Provider Identifier (NPI) is 1285619130, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Hollanda Artemisa Leon, M.D. located?

The NPPES record lists a practice address at 4141 State St, Santa Barbara, CA, 93110. Phone: (805) 681-7144. Providers update this record themselves, so call before visiting.

How can I verify Hollanda Artemisa Leon, M.D.'s license?

NPPES lists California license number A77124, 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 Hollanda Artemisa Leon, M.D. prescribe under Medicare Part D?

In 2024, Hollanda Artemisa Leon, M.D. had 1,377 Medicare Part D claims for 160 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.