Dr. Janette G. Walker, MD

  • Antioch, CA
  • OB-GYN
NPI1831199280PAC ID5294737425
Medicare services, 2024
234
Medicare patients, 2024
148
Part D claims, 2024
332
Hospital affiliations
3
Industry payments
$1,248
Practice address
2345 Country Hills Dr, Antioch, CA 94509
Practice phone
Call (925) 778-0679
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Epic Care

Antioch, California

See all 6 affiliations

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Dr. Janette G. Walker is an OB-GYN in Antioch, California

Dr. Walker practices at Epic Care in Antioch, California.

Dr. Walker's NPI, 1831199280, was assigned on July 28, 2005. Dr. Walker graduated from UC Davis School of Medicine in 1993. Dr. Walker holds California license G84552.

NPI and contact details
Medicare PAC ID
5294737425
NPI enumeration date
July 28, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(925) 778-0679
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
59
Medical school graduation
1993

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

Dr. Janette G. Walker practices at Epic Care in Antioch, California

Dr. Walker's primary practice is Epic Care, at 2345 Country Hills Dr, Antioch, CA 94509 in Contra Costa County. The practice phone is (925) 778-0679.

  • Epic Care
    2345 Country Hills Dr, Antioch, CA 94509 · Contra Costa CountyPhone(925) 778-0679

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Janette G. Walker is affiliated with 5 sites of care and 1 medical group

Dr. Walker's primary practice is Epic Care in Antioch, California. Dr. Walker is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is Epic Care. Dmand AI also links Dr. Walker to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Walker

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Janette G. Walker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Epic CareAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Janette G. Walker is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Walker is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Walker's licenses on file in 2 states: California and Massachusetts.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense G84552 · 1998 to 2026 · taxonomy 207V00000X
  • Massachusetts license1997 to 2000

Clinical focus

Dmand AI lists menopause and ovarian cyst among the conditions Dr. Walker treats.

OB-GYNs near Dr. Walker

Counts of OB-GYNs 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. Janette G. Walker billed Medicare for 234 services in 2024

CMS data shows 234 Medicare services from Dr. Walker across 4 procedure codes in 2024, for 148 Medicare patients. Medicare paid $14,234 for them. Every service was in an office.

Medicare services, 2024234
Medicare patients148
Paid by Medicare$14,234
Procedure codes4

Dr. Walker's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 1352024: 15716%
Office and hospital visits
2023: 432024: 7779%

Dr. Walker compared with the California median for OB-GYNs, 2024

  • Dr. Walker
  • California median
Medicare services
234vs 584.0 times
Medicare patients
148vs 522.8 times
Part D claims
267vs 357.6 times

Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.

Dr. 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 Dr. Walker

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other OB-GYNs in California.

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

Dr. Janette G. Walker treated 148 Medicare patients in 2024, average age 71

CMS counts 148 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 106 patients. 75% of them have high cholesterol, and 45% have arthritis. Their average risk score is 0.63, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 57, with 98% women.

Medicare patients, 2024148
Average age71
Average risk score0.63

Dr. Walker's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Walker's Medicare patients, 2024

  1. High cholesterol75%
  2. Arthritis45%
  3. High blood pressure43%
  4. Osteoporosis27%
  5. Anxiety21%
  6. Asthma16%
  7. Mood disorders14%
  8. Depression13%

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

Dr. 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 57

Patient panel by sex, all payers

  • Women98%
  • Men0%

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

Dr. Janette G. Walker wrote 332 Medicare Part D claims in 2024

In 2024, Dr. Walker wrote 332 Medicare Part D claims for 90 patients. 76% of them were for generic drugs. CMS names the drug for 267 of them, across 10 drugs with 11 or more claims each, at $26,730 in total drug cost. In 2023, CMS named 139 claims across 6 drugs.

Part D claims, 2024332
Drugs named by CMS10
Total drug cost$26,730
Part D patients90

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

  • Generic251 claims76%
  • Brand-name81 claims24%

Dr. 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 Dr. Walker's Part D claims, 2024

  • Antibiotics3%11 of 332 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: 1392024: 26792%

Drugs named by CMS: 10 in 2024, 6 in 2023.

See all prescribing by Dr. 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

Dr. Janette G. Walker offers telehealth to Medicare patients

Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Walker as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Janette G. Walker received $1,248 in industry payments from 2016 to 2025

CMS Open Payments shows 70 general payments to Dr. Walker from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 84% of the total. Abbvie Inc. paid the most, $495.

General payments to Dr. Walker by program year, 2016 to 2025

General payments to Dr. Walker by kind, 2016 to 2025

$1.2Kin total
  • Food and beverage$1,05084%
  • Education$19816%

Companies that paid Dr. Walker the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Walker

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

Dr. Janette G. Walker has 1 award and honors on record

Dmand AI lists 1 award for Dr. Walker.

Awards and honors for Dr. Walker

  1. Undated
    • ACOG Fellow

Source: Dmand AI Professional Profile Data

Dr. Janette G. Walker graduated from UC Davis School of Medicine

Dr. Walker graduated from UC Davis School of Medicine in 1993. Dr. Walker is a member of American College of Obstetricians and Gynecologists.

  1. Medical schoolUC Davis School of Medicine
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Janette G. Walker accepts plans from 16 insurance carriers

Dr. Walker is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Walker accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO6
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Janette G. 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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Janette G. 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 Dr. Janette G. Walker's NPI number?

Dr. Janette G. Walker's NPI number is 1831199280. It was assigned on July 28, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Janette G. Walker?

Dr. Janette G. Walker is an OB-GYN in Antioch, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Janette G. Walker practice?

Dr. Walker practices at 2345 Country Hills Dr, Antioch, CA 94509. Dr. Walker's primary practice is Epic Care in Antioch, California. Dmand AI also links Dr. Walker to 2 hospitals and 1 group practice or clinic.

What is Dr. Janette G. Walker's office phone number?

The practice phone on file for Dr. Walker is (925) 778-0679.

What is Dr. Janette G. Walker's medical license number?

Dr. Walker holds California license G84552, one of the licenses on file in 2 states.

Which states has Dr. Janette G. Walker been licensed in?

Dmand AI has state licenses on file for Dr. Walker in California (1998 to 2026) and Massachusetts (1997 to 2000).

Which hospitals is Dr. Janette G. Walker affiliated with?

Dr. Walker is affiliated with John Muir Medical Center, Walnut Creek. Dmand AI links Dr. Walker to 2 more hospitals.

What medical group is Dr. Janette G. Walker part of?

Dr. Walker is linked to Epic Care.

Does Dr. Janette G. Walker accept Medicare?

Yes. CMS data shows Dr. Walker billed Medicare for 234 services in 2024, and Dr. Walker accepts Medicare assignment.

Does Dr. Janette G. Walker offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Walker as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Janette G. Walker see?

CMS counts 148 Medicare patients who saw Dr. Walker in 2024, with an average age of 71.

Is Dr. Janette G. Walker board certified?

Yes. Dr. Walker is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

What services does Dr. Janette G. Walker bill to Medicare?

In 2024, Dr. Walker's most billed Medicare services were medicare service (G0101), medicare temporary code (Q0091) and office visit, established patient (99213).

Where did Dr. Janette G. Walker go to medical school?

Dr. Walker graduated from UC Davis School of Medicine in 1993.

What drugs does Dr. Janette G. Walker prescribe most?

In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Estradiol, Progesterone and Estradiol (Twice Weekly).

Has Dr. Janette G. Walker received payments from drug or device companies?

CMS Open Payments shows $1,248 in general payments to Dr. Walker from 15 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Janette G. Walker been practicing?

Dr. Walker graduated from medical school in 1993, 33 years ago.

What insurance does Dr. Janette G. Walker accept?

Dr. Walker is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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