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Dermatology

Margaret C. Scully, MD

Sees patients in San Francisco, CA · California

Summary

Dr. Margaret C. Scully, MD is a dermatologist at 490 Post St, Suite 700, San Francisco, CA 94102. Phone: (415) 362-2238. May accept Medicare assignment. In 2024, Margaret C. Scully had 537 Original Medicare patients and 2,726 services. NPI 1528145570. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 490 Post St, Suite 700, San Francisco, CA 94102 · Directions
  • Phone: (415) 362‑2238
  • Medicare: May accept Medicare assignment
  • Group practice: Dermatology Medical Group of San Francisco Inc
  • Medical school: University Of Hawaii John A. Burns School Of Medicine · graduated 1984 (42 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret C. Scully, 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 Margaret C. Scully accept Medicare assignment?
Medicare's clinician data says Margaret C. Scully may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Margaret C. Scully see?
In 2024, CMS data shows 537 Original Medicare patients and 2,726 services for Margaret C. Scully. This counts Original Medicare only and measures volume, not quality.
What is Margaret C. Scully's NPI number?
1528145570. 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 Margaret C. Scully, 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 patients537
Services billed to Medicare2,726
Different services or procedures31
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)966 services
  2. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)619 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)272 services
  4. Destruction of precancer skin growth, 1 growth (17000)263 services
  5. Pathology examination of tissue using a microscope, intermediate complexity (88305)105 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 cholesterol74%
  • High blood pressure47%
  • Arthritis41%
  • Ischemic heart disease22%
  • Osteoporosis22%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)17%

Practice locations

Addresses where Margaret C. Scully is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Margaret C. Scully as a member of this group (CMS data updated October 2, 2026).

  • Dermatology Medical Group of San Francisco Inc3 clinicians in the group

Specialties

Find other Dermatology doctors in California →

Other dermatologists in San Francisco

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

All dermatologists in San Francisco →

Other clinicians in Dermatology Medical Group of San Francisco Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year1984 (42 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1528145570
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians