NPPES file of Aug 9, 2026

Sonia Preet Sethi, M.D.

Internal Medicine Physician · Palmdale, CA

Sonia Preet Sethi, M.D. is an internal medicine physician with a practice address in Palmdale, California, and NPI 1245593839, issued on Jun 19, 2012. Check the license (California MT200847, 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
1245593839
Name
Sonia Preet Sethi
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MT200847 CA
Self-reported in NPPES; status is on the state search
Practice location
38209 47TH St E Ste C, Palmdale, CA 93552
Phone
(661) 951-3100
Enumerated
Jun 19, 2012
Record last updated
Oct 10, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(661) 951-3195
Medicare enrollment
Enrolled (PECOS I20150825005045); accepts Medicare assignment
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 38209 47TH St E Ste C

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

  1. Liliana Guadron-Hernandez, P.A.Physician Assistant1053329029
  2. Maria Morgan, FNP-BCFamily Nurse Practitioner1093473282

Verify Sonia Preet Sethi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license MT200847
    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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100% fewer Medicare Part D claims than the average internal medicine physician in 2024

15 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Sonia Sethi15
  2. Specialty average3,176

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. Acute Care Associates OF California PCPalmdale, CA

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

Sonia Preet Sethi among 17,696 internal medicine physician records in California

Sonia Preet Sethi, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.

  • NPI issued2012 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2010 · median 2004 among the 11,065 with a school on file
  • Record last updated2016 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 internal medicine physician records list a practice address in Palmdale

They are 25 of the 2,077 NPPES records with a practice address in Palmdale, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Md Mashiul Alam, MDPalmdale, CA 935521427634237
  2. Vasuki AravagiriPalmdale, CA 935521174668842
  3. Vasuki Daram, MDPalmdale, CA 935521598798043
  4. Anas Entabi, M.D.Palmdale, CA 935521669465258
  5. Emel Kasgarli, M.D.Palmdale, CA 935521922452382
  6. Shahid Khan, M.D.Palmdale, CA 935521447394812
  7. Adriana Valdovinos, M.D.Palmdale, CA 935521205826104
  8. Naaiko Yorichika, MDPalmdale, CA 935521821748393

Common questions

What is Sonia Preet Sethi, M.D.'s NPI number?

Sonia Preet Sethi, M.D.'s National Provider Identifier (NPI) is 1245593839, issued on Jun 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Sonia Preet Sethi, M.D. located?

The NPPES record lists a practice address at 38209 47TH St E Ste C, Palmdale, CA, 93552. Phone: (661) 951-3100. Providers update this record themselves, so call before visiting.

How can I verify Sonia Preet Sethi, M.D.'s license?

NPPES lists California license number MT200847, 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 Sonia Preet Sethi, M.D. prescribe under Medicare Part D?

In 2024, Sonia Preet Sethi, M.D. had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.