NPPES file of Aug 9, 2026

Lucy S. Crain, M. D.

Pediatrics Physician · San Francisco, CA

Lucy S. Crain, M. D. is a pediatrics physician with a practice address in San Francisco, California, and NPI 1194874685, issued on Jan 10, 2007. Check the license (California C31923, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194874685
Name
Lucy S. Crain
Credential
M. D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
C31923 CA
Self-reported in NPPES; status is on the state search
Practice location
Ucsf Medical Center Childrens Hospital, San Francisco, CA 94143
Phone
(415) 353-2111
Enumerated
Jan 10, 2007
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00C319230 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at Ucsf Medical Center Childrens Hospital

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Bloom, M. D.Pediatrics Physician1679799761
  2. Maureen Su, M. D.Pediatrics Physician1336341130
  3. Yao Sun, MDNeonatal-Perinatal Medicine Physician1336226273
  4. John Takayama, M. D.Pediatrics Physician1861697450

Verify Lucy S. Crain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C31923
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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Lucy S. Crain among 9,272 pediatrics physician records in California

Lucy S. Crain, M. D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 43% newer
  • In a Medicare fileNo · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2007 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

514 pediatrics physician records list a practice address in San Francisco

They are 514 of the 38,143 NPPES records with a practice address in San Francisco, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Louis Chesler, M.D.San Francisco, CA 941431124060504
  2. Gwynne Church, M.D.San Francisco, CA 941431801838925
  3. John Elliott, M.D.San Francisco, CA 941431821042292
  4. Ilona Frieden, MDSan Francisco, CA 941431396703435
  5. Samuel Hawgood, MDSan Francisco, CA 941431144285776
  6. Melvin Heyman, M.D.San Francisco, CA 941431740222314
  7. Nancy Lewis, M.D.San Francisco, CA 941431245272368
  8. John McQuitty, M.D.San Francisco, CA 941431386682417

Common questions

What is Lucy S. Crain, M. D.'s NPI number?

Lucy S. Crain, M. D.'s National Provider Identifier (NPI) is 1194874685, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Lucy S. Crain, M. D. located?

The NPPES record lists a practice address at Ucsf Medical Center Childrens Hospital, San Francisco, CA, 94143. Phone: (415) 353-2111. Providers update this record themselves, so call before visiting.

How can I verify Lucy S. Crain, M. D.'s license?

NPPES lists California license number C31923, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.