NPPES file of Aug 9, 2026

Ashley Irene Cheongsiatmoy, M.D.

Obstetrics & Gynecology Physician · Roseville, CA

Ashley Irene Cheongsiatmoy, M.D. is an obstetrics & gynecology physician with a practice address in Roseville, California, and NPI 1487956918, issued on Dec 5, 2010. Check the license (California A126749, 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
1487956918
Name
Ashley Irene Cheongsiatmoy
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A126749 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 Eureka RD, Roseville, CA 95661
Phone
(916) 755-1298
Enumerated
Dec 5, 2010
Record last updated
Jan 10, 2022
Medicare enrollment
Enrolled (PECOS I20161025002635); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2012
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 1600 Eureka RD

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

  1. Rizwana Abdullah, MDHospitalist Physician1194899401
  2. Uldis AbelePharmacist1619078706
  3. Michael AbughazalehPhysical Therapist1982113502
  4. Mohamad Adada, M.D., PHDHematology & Oncology Physician1528590734
  5. Scott Adams, MDPediatric Hematology & Oncology Physician1013067818
  6. Aleisha Anne Aguilar, NPStudent in an Organized Health Care Education/Training Program1053174953

Verify Ashley Irene Cheongsiatmoy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A126749
    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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20% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

198 Medicare Part D claims for 101 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Ashley Cheongsiatmoy198
  2. Specialty average165

Most prescribed

  1. Estradiol60 claims
  2. Yuvafem16 claims
  3. Estring12 claims
  4. Betamethasone Diprop Augmented11 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. Permanente Medical Group IncRoseville, CA

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

Ashley Irene Cheongsiatmoy among 5,088 obstetrics & gynecology physician records in California

Ashley Irene Cheongsiatmoy, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 70% of them.

  • NPI issued2010 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2012 · median 2004 among the 2,700 with a school on file
  • Record last updated2022 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Cathy Baker, MDRoseville, CA 956611164500807
  2. Dina Canavero, MEDICAL DOCTORRoseville, CA 956611386612083
  3. Meera Chong, MDRoseville, CA 956611275648974
  4. Jose Cueto, M.D.Roseville, CA 956611265543987
  5. Jacqueline Ho, MEDICAL DOCTORRoseville, CA 956611831167543
  6. Melissa Johnson, M.D.Roseville, CA 956611184618654
  7. Blake Lambourne, MEDICAL DOCTORRoseville, CA 956611194793802
  8. Stacie Macdonald, M.D.Roseville, CA 956611700849973

Common questions

What is Ashley Irene Cheongsiatmoy, M.D.'s NPI number?

Ashley Irene Cheongsiatmoy, M.D.'s National Provider Identifier (NPI) is 1487956918, issued on Dec 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Irene Cheongsiatmoy, M.D. located?

The NPPES record lists a practice address at 1600 Eureka RD, Roseville, CA, 95661. Phone: (916) 755-1298. Providers update this record themselves, so call before visiting.

How can I verify Ashley Irene Cheongsiatmoy, M.D.'s license?

NPPES lists California license number A126749, 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 Ashley Irene Cheongsiatmoy, M.D. prescribe under Medicare Part D?

In 2024, Ashley Irene Cheongsiatmoy, M.D. had 198 Medicare Part D claims for 101 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.