NPPES file of Aug 9, 2026

Ana Elizabeth Iten

Family Medicine Physician · Walnut Creek, CA

Ana Elizabeth Iten is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1871906545, issued on Jun 10, 2014. Check the license (California 139493, 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
1871906545
Name
Ana Elizabeth Iten
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
139493 CA
Self-reported in NPPES; status is on the state search
Practice location
1450 Treat Blvd # 320, Walnut Creek, CA 94597
Phone
(925) 296-9880
Enumerated
Jun 10, 2014
Record last updated
Feb 21, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170523001321); accepts Medicare assignment
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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Also registered at 1450 Treat Blvd # 320

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

  1. Pilar Corcoran-Lozano, PSY.D.Psychologist1932573771
  2. Robert Eidus, MDFamily Medicine Physician1215901871
  3. Kishore Nath, M.D.Family Medicine Physician1457454456
  4. Roxana Tejada-Joya, LMFT 78160Marriage & Family Therapist1023247137

Verify Ana Elizabeth Iten in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 139493
    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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54% fewer Medicare Part D claims than the average family medicine physician in 2024

1,623 Medicare Part D claims for 305 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. Ana Iten1,623
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium180 claims
  2. Amlodipine Besylate105 claims
  3. Lisinopril84 claims
  4. Levothyroxine Sodium82 claims
  5. Losartan Potassium49 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. John Muir Physician NetworkWalnut Creek, CA

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

Ana Elizabeth Iten among 17,133 family medicine physician records in California

Ana Elizabeth Iten 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 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2014 · median 2005 among the 10,652 with a school on file
  • Record last updated2019 · 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).

116 family medicine physician records list a practice address in Walnut Creek

They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Russell Alpert, M.D.Walnut Creek, CA 945971235182544
  2. John Cho, M.D.Walnut Creek, CA 945971609816107
  3. Grace Chou, M.D.Walnut Creek, CA 945971053309369
  4. Robert Eidus, MDWalnut Creek, CA 945971215901871
  5. Lance Gee, M.D.Walnut Creek, CA 945971497731665
  6. Deborah Greer, M.D.Walnut Creek, CA 945971003851858
  7. Lawren Hicks, M.D.Walnut Creek, CA 945971619912680
  8. Seigfred Jalalon, M.D.Walnut Creek, CA 945971043231038

Common questions

What is Ana Elizabeth Iten's NPI number?

Ana Elizabeth Iten's National Provider Identifier (NPI) is 1871906545, issued on Jun 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ana Elizabeth Iten located?

The NPPES record lists a practice address at 1450 Treat Blvd # 320, Walnut Creek, CA, 94597. Phone: (925) 296-9880. Providers update this record themselves, so call before visiting.

How can I verify Ana Elizabeth Iten's license?

NPPES lists California license number 139493, 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 Ana Elizabeth Iten prescribe under Medicare Part D?

In 2024, Ana Elizabeth Iten had 1,623 Medicare Part D claims for 305 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.