NPPES file of Aug 9, 2026

Cecilia Phong, MD

Obstetrics & Gynecology Physician · Upland, CA

Cecilia Phong, MD is an obstetrics & gynecology physician with a practice address in Upland, California, and NPI 1114318151, issued on Feb 12, 2015. Check the license (California A139142, 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
1114318151
Name
Cecilia Phong
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A139142 CA
Self-reported in NPPES; status is on the state search
Practice location
1310 San Bernardino RD Ste 201, Upland, CA 91786
Phone
(909) 579-0806
Enumerated
Feb 12, 2015
Record last updated
May 7, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1310 San Bernardino RD Ste 201

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

  1. Doris AlanFamily Nurse Practitioner1558023754
  2. Andrea AlvarezFamily Nurse Practitioner1154215101
  3. Joanna Du, M.D.Obstetrics & Gynecology Physician1477731677
  4. Jewelry TranNurse Practitioner1801752290

Verify Cecilia Phong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A139142
    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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88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

20 Medicare Part D claims for 13 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Cecilia Phong20
  2. Specialty average165

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.

Obstetrics & Gynecology Physician providers in California

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

Other obstetrics & gynecology physician records in California

  1. Ingrid Aalami, MDSan Jose, CA1952376550
  2. Avisa Abaian- Eagar, M.D.Orange, CA1316057755
  3. Derek Abbassi, MDWalnut Creek, CA1841364155
  4. Ahmed Abdelaziz, MDSanta Maria, CA1790039733
  5. Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
  6. Nicole Abell, DOVentura, CA1811243603
  7. Zachary AbelsonLos Angeles, CA1689237414
  8. Ray Abinader, M.D.Loma Linda, CA1770901548
  9. Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
  10. Nada Abou-HaibaLos Angeles, CA1134067549

Common questions

What is Cecilia Phong, MD's NPI number?

Cecilia Phong, MD's National Provider Identifier (NPI) is 1114318151, issued on Feb 12, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Cecilia Phong, MD located?

The NPPES record lists a practice address at 1310 San Bernardino RD Ste 201, Upland, CA, 91786. Phone: (909) 579-0806. Providers update this record themselves, so call before visiting.

How can I verify Cecilia Phong, MD's license?

NPPES lists California license number A139142, 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 Cecilia Phong, MD prescribe under Medicare Part D?

In 2024, Cecilia Phong, MD had 20 Medicare Part D claims for 13 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.