Philomena Walker, PA

  • Marysville, CA
  • Physician assistant
NPI1275636128PAC ID3476583998
Medicare services, 2024
1,997
Medicare patients, 2024
344
Part D claims, 2024
651
MIPS score, 2024
75
Hospital affiliations
1
Practice address
726 4th St, Marysville, CA 95901
Practice phone
Call (530) 749-4300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Adventist Health and Rideout

Hospital · Marysville, California

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Philomena Walker is a physician assistant in Marysville, California

Philomena Walker practices at Adventist Health and Rideout in Marysville, California, part of Adventist Health.

Philomena Walker's NPI, 1275636128, was assigned on September 6, 2006. Philomena Walker graduated from University of Florida College of Medicine in 1988. Philomena Walker holds Florida license PA2083.

NPI and contact details
Medicare PAC ID
3476583998
NPI enumeration date
September 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(530) 749-4300
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
64
Medical school graduation
1988

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

Philomena Walker practices at Adventist Health and Rideout in Marysville, California

Philomena Walker's primary practice is Adventist Health and Rideout, at 726 4th St, Marysville, CA 95901 in Yuba County. The practice phone is (530) 749-4300.

Source: Dmand AI Affiliation Data

Philomena Walker is affiliated with 1 site of care

Philomena Walker's primary practice is Adventist Health and Rideout in Marysville, California, part of Adventist Health.

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

Dmand AI tracks the EHR system at Philomena Walker's practice

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

EHR by site
SiteEHR vendor and product
Adventist Health and RideoutAvailable with a free account

Source: Dmand AI Technology Install Data

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Philomena Walker is one of 11,482 physician assistants in California

Physician assistant is Philomena Walker's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Philomena Walker is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Philomena Walker is licensed in Florida.

Specialties and state licenses

  • Physician assistant, FloridaPrimaryLicense PA2083 · taxonomy 363A00000X

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, contact dermatitis, corns and calluses, itchy rashes, minor injury to a limb and psoriasis among the conditions Philomena Walker treats.

Physician assistants near Philomena Walker

Counts of physician assistants 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

Philomena Walker billed Medicare for 1,997 services in 2024

CMS data shows 1,997 Medicare services from Philomena Walker across 14 procedure codes in 2024, for 344 Medicare patients. Medicare paid $71,030 for them. Every service was in an office.

Medicare services, 20241,997
Medicare patients344
Paid by Medicare$71,030
Procedure codes14

Philomena Walker's Medicare services by type, 2024

  1. Surgery1,416
  2. Office and hospital visits581

Philomena Walker compared with the California median for physician assistants, 2024

  • Philomena Walker
  • California median
Medicare services
1,997vs 2049.8 times
Medicare patients
344vs 1053.3 times
Part D claims
531vs 2432.2 times

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Philomena Walker's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Philomena Walker

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Philomena Walker treated 344 Medicare patients in 2024, average age 73

CMS counts 344 Medicare patients who saw Philomena Walker in 2024. The largest group is 65 to 74, with 175 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 18% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Philomena Walker's median patient age at 67, with 51% women.

Medicare patients, 2024344
Average age73
Average risk score0.97
Also on Medicaid18%

Philomena Walker's Medicare patients by age, 2024

Philomena Walker's Medicare patients by sex, 2024

  • Women19256%
  • Men15244%

Chronic conditions among Philomena Walker's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis44%
  4. Diabetes31%
  5. Ischemic heart disease24%
  6. Anxiety20%
  7. Mood disorders19%
  8. Atrial fibrillation17%

Share of Medicare patients with each condition. A patient can have several.

Philomena Walker's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women51%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Philomena Walker wrote 651 Medicare Part D claims in 2024

In 2024, Philomena Walker wrote 651 Medicare Part D claims for 180 patients. 86% of them were for generic drugs. CMS names the drug for 531 of them, across 18 drugs with 11 or more claims each, at $343,432 in total drug cost.

Part D claims, 2024651
Drugs named by CMS18
Total drug cost$343,432
Part D patients180

Philomena Walker's Part D claims by kind of drug, 2024

  • Generic557 claims86%
  • Brand-name94 claims14%

Philomena Walker's 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 Philomena Walker's Part D claims, 2024

  • Antibiotics8%51 of 651 claims

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

See all prescribing by Philomena Walker

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

Philomena Walker scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Philomena Walker for performance year 2024, reported as part of a group. Philomena Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Philomena Walker received $1,648 in industry payments from 2024 to 2025

CMS Open Payments shows 98 general payments to Philomena Walker from 16 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 90% of the total. Janssen Pharmaceuticals, Inc paid the most, $623.

General payments to Philomena Walker by program year, 2024 to 2025

General payments to Philomena Walker by kind, 2024 to 2025

$1.6Kin total
  • Food and beverage$1,49190%
  • Education$15710%

Companies that paid Philomena Walker the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Philomena Walker

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

Philomena Walker graduated from University of Florida College of Medicine

Philomena Walker graduated from University of Florida College of Medicine in 1988.

  1. Medical schoolUniversity of Florida College of Medicine
  2. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Philomena Walker'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)Clinician Public Reporting: Overall MIPS Performance (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 Philomena Walker

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

What is Philomena Walker's NPI number?

Philomena Walker's NPI number is 1275636128. It was assigned on September 6, 2006, and it is active in the NPI Registry.

What does Philomena Walker specialize in?

Philomena Walker is a physician assistant in Marysville, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Philomena Walker practice?

Philomena Walker practices at 726 4th St, Marysville, CA 95901. Philomena Walker's primary practice is Adventist Health and Rideout in Marysville, California, part of Adventist Health.

What is Philomena Walker's office phone number?

The practice phone on file for Philomena Walker is (530) 749-4300.

What is Philomena Walker's medical license number?

Philomena Walker holds Florida license PA2083.

Which hospitals is Philomena Walker affiliated with?

Philomena Walker practices at Adventist Health and Rideout in Marysville, California.

Does Philomena Walker accept Medicare?

Yes. CMS data shows Philomena Walker billed Medicare for 1,997 services in 2024, and Philomena Walker accepts Medicare assignment.

What is Philomena Walker's MIPS score?

Philomena Walker's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Philomena Walker see?

CMS counts 344 Medicare patients who saw Philomena Walker in 2024, with an average age of 73.

Is Philomena Walker board certified?

Yes. Philomena Walker is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

Show 5 more questionsShow fewer questions

What services does Philomena Walker bill to Medicare?

In 2024, Philomena Walker's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and surgery: skin and soft tissue (17000).

Where did Philomena Walker go to medical school?

Philomena Walker graduated from University of Florida College of Medicine in 1988.

What drugs does Philomena Walker prescribe most?

In 2024 Medicare Part D data, Philomena Walker's most prescribed drugs by claims were Ketoconazole, Mupirocin and Triamcinolone Acetonide.

Has Philomena Walker received payments from drug or device companies?

CMS Open Payments shows $1,648 in general payments to Philomena Walker from 16 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Philomena Walker been practicing?

Philomena Walker graduated from medical school in 1988, 38 years ago.

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