Philip Ken Stephens, MD
Family Medicine Physician · Baldwin Park, CA
Philip Ken Stephens, MD is a family medicine physician with a practice address in Baldwin Park, California, and NPI 1710035787, issued on Jan 8, 2007. Check the license (California G59311, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Philip Ken Stephens
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G59311 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Phone
- (626) 851-1011
- Enumerated
- Jan 8, 2007
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080723000536); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1011 Baldwin Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Soma Agarwal, MDOphthalmology Physician1437220316
Verify Philip Ken Stephens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G59311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,654 Medicare Part D claims for 739 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 115 claims were for opioids.
Most prescribed
- Atorvastatin Calcium853 claims
- Lisinopril592 claims
- Amlodipine Besylate506 claims
- Simvastatin350 claims
- Losartan Potassium262 claims
- Atenolol250 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
- Southern California Permanente Medical GroupSan Dimas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip Ken Stephens among 17,133 family medicine physician records in California
Philip Ken Stephens, MD 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1985 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
75 family medicine physician records list a practice address in Baldwin Park
They are 75 of the 1,055 NPPES records with a practice address in Baldwin Park, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Baldwin Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Herman Carrillo, MDBaldwin Park, CA 917061881785814
- Heng Long Chhay, M.DBaldwin Park, CA 917061225021041
- David Dinwiddie, MDBaldwin Park, CA 917061679644587
- Susan Goldman, MDBaldwin Park, CA 917061417028499
- David Hernandez, MDBaldwin Park, CA 917061518038553
- Yu-Chien Kuo, MDBaldwin Park, CA 917061013000447
- Katherine Lehman-Schletewitz, MDBaldwin Park, CA 917061982775862
- Raymond Liang, MDBaldwin Park, CA 917061790856672
Common questions
What is Philip Ken Stephens, MD's NPI number?
Philip Ken Stephens, MD's National Provider Identifier (NPI) is 1710035787, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Philip Ken Stephens, MD located?
The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (626) 851-1011. Providers update this record themselves, so call before visiting.
How can I verify Philip Ken Stephens, MD's license?
NPPES lists California license number G59311, 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 Philip Ken Stephens, MD prescribe under Medicare Part D?
In 2024, Philip Ken Stephens, MD had 7,654 Medicare Part D claims for 739 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.