NPPES file of Aug 9, 2026

Ana Sofia Lopes-Johnson, M.D.

Family Medicine Physician · Canyon Country, CA

Ana Sofia Lopes-Johnson, M.D. is a family medicine physician with a practice address in Canyon Country, California, and NPI 1427096957, issued on Jun 4, 2006. Check the license (California A101559, 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
1427096957
Name
Ana Sofia Lopes-Johnson
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A101559 CA
Self-reported in NPPES; status is on the state search
Practice location
17909 Soledad Canyon RD, Canyon Country, CA 91387
Phone
(661) 250-5230
Enumerated
Jun 4, 2006
Record last updated
Dec 22, 2023
Fax
(661) 250-5283
Medicaid ID
00A1015590 CA
Medicare enrollment
Enrolled (PECOS I20081216000625); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2001
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 17909 Soledad Canyon RD

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

  1. Tarannum Alam, MD.Internal Medicine Physician1801814231
  2. Unber Ali, M.D.Internal Medicine Physician1588897045
  3. Mary Bizzle, RD.Registered Dietitian1689692014
  4. Elliot Bronwein, OD.Optometrist1225028244
  5. Michael Dalali, M.D.Ophthalmology Physician1184658338
  6. Erik Davydov, M.D.Internal Medicine Physician1336173582

Verify Ana Sofia Lopes-Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A101559
    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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84% fewer Medicare Part D claims than the average family medicine physician in 2024

554 Medicare Part D claims for 395 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Ana Lopes-Johnson554
  2. Specialty average3,544

Most prescribed

  1. Prednisone56 claims
  2. Albuterol Sulfate Hfa41 claims
  3. Cefadroxil37 claims
  4. Triamcinolone Acetonide35 claims
  5. Cephalexin32 claims
  6. Doxycycline Monohydrate29 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. Southern California Permanente Medical GroupWoodland Hills, CA

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

Ana Sofia Lopes-Johnson among 17,133 family medicine physician records in California

Ana Sofia Lopes-Johnson, 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2001 · 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).

9 family medicine physician records list a practice address in Canyon Country

They are 9 of the 268 NPPES records with a practice address in Canyon Country, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joy Go Legaspi, NPCanyon Country, CA 913871003448010
  2. Caroline Levan, D.O.Canyon Country, CA 913871053054874
  3. Azure Looney, FNPSanta Clarita, CA 913871225900103
  4. Bina Maharjan, MD.Canyon Country, CA 913871871638080
  5. Martina Masongsong, M.D.Canyon Country, CA 913871962623652
  6. Armand Masongsong, M.D.Canyon Country, CA 913871083836985
  7. Shay Partovi, M.D.Canyon Country, CA 913871043465388
  8. Dionne Siler, M.D.Canyon Country, CA 913871962083188

Common questions

What is Ana Sofia Lopes-Johnson, M.D.'s NPI number?

Ana Sofia Lopes-Johnson, M.D.'s National Provider Identifier (NPI) is 1427096957, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ana Sofia Lopes-Johnson, M.D. located?

The NPPES record lists a practice address at 17909 Soledad Canyon RD, Canyon Country, CA, 91387. Phone: (661) 250-5230. Providers update this record themselves, so call before visiting.

How can I verify Ana Sofia Lopes-Johnson, M.D.'s license?

NPPES lists California license number A101559, 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 Sofia Lopes-Johnson, M.D. prescribe under Medicare Part D?

In 2024, Ana Sofia Lopes-Johnson, M.D. had 554 Medicare Part D claims for 395 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.