Anne Marie Walker, MD

3 locations · Northbay Physicians Surgery Center, LLC · Permanente Medical Group Inc · San Francisco Physicians International Medical Group Inc

Hospitals listed: Kaiser Foundation Hospital - Oakland/Richmond · Northbay Medical Center · St Joseph'S Medical Center of Stockton. That is not proof they admit you there this week.

Licence A154353 · Current

Licensed to practise in California · since 2018 · expires 2028-02-29 · St. George'S University School of Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

3 hospitals

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

• Kaiser Foundation Hospital - Oakland/RichmondOakland, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Kaiser Permanente, which runs 41 hospitals in 3 statesPatients rate it 3 of 5 · 72% would definitely recommend it
  Overall rating: 2 of 5 starsWorse than the national rate — SSI - Colon Surgery: 2.203, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.334, Oct 2024 – Sep 2025
• Northbay Medical CenterFairfield, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Northbay Healthcare, which runs 2 hospitalsPatients rate it 2 of 5 · 67% would definitely recommend it
  Overall rating: 2 of 5 starsWorse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.6 (11 to 18.8) · 166 cases, Jan 2024 – Dec 2024
• St Joseph'S Medical Center of StocktonStockton, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of CommonSpirit Health, which runs 145 hospitals in 19 statesPatients rate it 3 of 5 · 67% would definitely recommend it
  Overall rating: 3 of 5 starsBetter than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.08, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.34, Oct 2024 – Sep 2025

$20,646

Medicare paid this office $20,646 for 162 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Procedures year by year

Times billed to Original Medicare each year. A blank year means fewer than 11 people had it, or none: Medicare does not publish smaller counts. Medicare Advantage patients are not included.

Who their Medicare patients are

162 Original Medicare patients in 2024. Average age 73 · Under 65 20% · 85 and older 19% · Women 53% · Also on Medicaid 63% · Health risk score 2.59. Above the middle of the specialty; the typical emergency medicine clinician is at 2.01.

Conditions among them: High blood pressure 75% · Diabetes 49% · Chronic kidney disease 43% · Coronary heart disease 41% · Heart failure 36% · Atrial fibrillation 35% · COPD 23% · Dementia 20% · Depression 19% · Stroke 13% · Cancer 12%.

The office billed $178,576, Medicare allowed $26,947 and paid $20,646; for 227 services of 10 kinds.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

$16,764 in 2024

Medicaid paid $16,764 for 229 billed services this clinician did in 2024, up to 34 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

$1,625

Pharmacies billed $1,625 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

103 generic and fewer than 11 brand-name prescriptions · $1,625 in drug cost · 38 antibiotic prescriptions to 31 people.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

Year by year

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

NPI

1629462619

Licence

CA A154353California A154353: Current · expires 2028-02-29

Trained

Saginaw Valley Medical College - Nlg, 2015 · 11 years ago

Group

Northbay Physicians Surgery Center, LLC · Permanente Medical Group Inc · San Francisco Physicians International Medical Group Inc

Gender

Female