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Internal Medicine

Hannah L. Archibald, MD

Works at hospitals in San Francisco, CA · Novato, CA · Burlingame, CA · California

Summary

Dr. Hannah L. Archibald, MD is an internal medicine doctor at 2100 Webster St, San Francisco, CA 94115. Phone: (415) 600-1020. Accepts Medicare assignment. In 2024, Hannah L. Archibald had 278 Original Medicare patients and 3,361 services. NPI 1801356746. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Hannah L. Archibald, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Hannah L. Archibald accept Medicare assignment?
Yes. Medicare's clinician data says Hannah L. Archibald accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Hannah L. Archibald see?
In 2024, CMS data shows 278 Original Medicare patients and 3,361 services for Hannah L. Archibald. This counts Original Medicare only and measures volume, not quality.
What is Hannah L. Archibald's NPI number?
1801356746. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Hannah L. Archibald, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients278
Services billed to Medicare3,361
Different services or procedures37
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)173 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)127 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)70 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)38 services
  5. Admn sarscov2 vacc 1 dose (90480)33 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol72%
  • High blood pressure66%
  • Arthritis42%
  • Diabetes30%
  • Chronic kidney disease23%
  • Osteoporosis23%

Hospitals where Hannah L. Archibald works

Medicare's Facility Affiliation Data lists Hannah L. Archibald at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Hannah L. Archibald is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hannah L. Archibald as a member of this group (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

All internal medicine doctors in San Francisco →

Other clinicians in Sutter Bay Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1801356746
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians