Dr. Philip Ken Stephens, MD

  • Baldwin Park, CA
  • Family medicine physician
NPI1710035787PAC ID3476626599
Part D claims, 2024
7,654
Hospital affiliations
1
Industry payments
$115
Medical group
1
State license
1
Practice address
1011 Baldwin Park Blvd, Baldwin Park, CA 91706
Practice phone
Call (626) 851-1011
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Kaiser Permanente Baldwin Park Medical Center

Hospital · Baldwin Park, California

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Dr. Philip Ken Stephens is a family medicine physician in Baldwin Park, California

Dr. Stephens practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.

Dr. Stephens' NPI, 1710035787, was assigned on January 8, 2007. Dr. Stephens graduated from University of Alabama School of Medicine in 1985. Dr. Stephens holds California license G59311.

NPI and contact details
Medicare PAC ID
3476626599
NPI enumeration date
January 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 851-1011
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Philip Ken Stephens practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California

Dr. Stephens' primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.

Source: Dmand AI Affiliation Data

Dr. Philip Ken Stephens is affiliated with 1 site of care and 1 medical group

Dr. Stephens' primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Philip Ken Stephens' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephens practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente Baldwin Park Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Philip Ken Stephens is one of 15,680 family medicine physicians in California

Family medicine is Dr. Stephens' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Stephens is licensed in California.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense G59311 · taxonomy 207Q00000X

Family medicine physicians near Dr. Stephens

Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Philip Ken Stephens' patients have a median age of 56

Across all payers, Dmand AI patient panel data puts Dr. Stephens' median patient age at 56, with 57% women.

Dr. Stephens' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women57%
  • Men42%

Source: Dmand AI Patient Panel Data

Dr. Philip Ken Stephens wrote 7,654 Medicare Part D claims in 2024

In 2024, Dr. Stephens wrote 7,654 Medicare Part D claims for 739 patients. 92% of them were for generic drugs. CMS names the drug for 7,311 of them, across 90 drugs with 11 or more claims each, at $213,585 in total drug cost. In 2023, CMS named 6,657 claims across 86 drugs.

Part D claims, 20247,654
Drugs named by CMS90
Total drug cost$213,585
Part D patients739

Dr. Stephens' Part D claims by kind of drug, 2024

  • Generic7,004 claims92%
  • Brand-name532 claims7%
  • Other118 claims2%

Dr. Stephens' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Stephens' Part D claims, 2024

  • Opioids2%115 of 7,654 claims
  • Antibiotics2%115 of 7,654 claims
  • Antipsychotics, patients 65 and over0%27 of 7,654 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 6,6572024: 7,31110%

Drugs named by CMS: 90 in 2024, 86 in 2023.

See all prescribing by Dr. Stephens

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Philip Ken Stephens takes part in Medicare

Dr. Stephens accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Philip Ken Stephens received $115 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Stephens from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $115.

Companies that paid Dr. Stephens the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Stephens

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Philip Ken Stephens graduated from University of Alabama School of Medicine

Dr. Stephens graduated from University of Alabama School of Medicine in 1985.

  1. Medical schoolUniversity of Alabama School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Philip Ken Stephens's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Philip Ken Stephens

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Philip Ken Stephens' NPI number?

Dr. Philip Ken Stephens' NPI number is 1710035787. It was assigned on January 8, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Philip Ken Stephens?

Dr. Philip Ken Stephens is a family medicine physician in Baldwin Park, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Philip Ken Stephens practice?

Dr. Stephens practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Dr. Stephens' primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.

What is Dr. Philip Ken Stephens' office phone number?

The practice phone on file for Dr. Stephens is (626) 851-1011.

What is Dr. Philip Ken Stephens' medical license number?

Dr. Stephens holds California license G59311.

Which hospitals is Dr. Philip Ken Stephens affiliated with?

Dr. Stephens practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.

What medical group is Dr. Philip Ken Stephens part of?

Dr. Stephens is linked to Southern California Permanente Medical Group.

Does Dr. Philip Ken Stephens accept Medicare?

Yes. CMS lists Dr. Stephens as accepting Medicare assignment.

Where did Dr. Philip Ken Stephens go to medical school?

Dr. Stephens graduated from University of Alabama School of Medicine in 1985.

What drugs does Dr. Philip Ken Stephens prescribe most?

In 2024 Medicare Part D data, Dr. Stephens' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.

Has Dr. Philip Ken Stephens received payments from drug or device companies?

CMS Open Payments shows $115 in general payments to Dr. Stephens from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Philip Ken Stephens been practicing?

Dr. Stephens graduated from medical school in 1985, 41 years ago.

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