NPPES file of Aug 9, 2026

Sophia Bonk, MS OTR/L

Occupational Therapist · San Francisco, CA

Sophia Bonk, MS OTR/L is an occupational therapist with a practice address in San Francisco, California, and NPI 1972471639, issued on Oct 24, 2025. Check the license with the California board that licenses this profession; 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
1972471639
Name
Sophia Bonk
Credential
MS OTR/L
Primary taxonomy
Occupational Therapist 225X00000X
Practice location
312 W Portal Ave, San Francisco, CA 94127
Phone
(415) 800-7674
Enumerated
Oct 24, 2025
Record last updated
Oct 24, 2025
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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8 nearest occupational therapist records → All 9,244 in California → Look up another NPI →

Also registered at 312 W Portal Ave

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

  1. Kaelyn Arcilla, OTD, OTR/LOccupational Therapist1275464471
  2. Bonnie Castleman, OTR/LOccupational Therapist1427978030
  3. Clare Demberger, OTD, OTR/LPediatric Occupational Therapist1932669405
  4. Yolanda Gillotte, MSOTPediatric Occupational Therapist1619750551
  5. Delaney McKee, OTD, OTROccupational Therapist1841011947
  6. Marissa OrtegaPediatric Occupational Therapist1073396917

Verify Sophia Bonk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find the California license search

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Sophia Bonk among 9,244 occupational therapist records in California

Sophia Bonk, MS OTR/L is one of 9,244 occupational therapist records with a practice address in California. 9% 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 2025, is newer than 87% of them.

  • NPI issued2025 · 87% of these records are older, 8% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 10% of these records are
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Therapist providers in California

There are 9,244 occupational therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,244 in California → Every provider in San Francisco → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Kaelyn Arcilla, OTD, OTR/LSan Francisco, CA 941271275464471
  2. Bonnie Castleman, OTR/LSan Francisco, CA 941271427978030
  3. Alexis Chen, MS OTR/LSan Francisco, CA 941271114276755
  4. Delaney McKee, OTD, OTRSan Francisco, CA 941271841011947
  5. Victoria Thi Vu, OTR/LSan Francisco, CA 941271952879348
  6. Sandra Miller, OTRSan Francisco, CA 941291659709616
  7. Kelly Vanclief, OTR/LSan Francisco, CA 941291215388863
  8. Lauren WatanabeSan Francisco, CA 941241770975674

Common questions

What is Sophia Bonk, MS OTR/L's NPI number?

Sophia Bonk, MS OTR/L's National Provider Identifier (NPI) is 1972471639, issued on Oct 24, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Sophia Bonk, MS OTR/L located?

The NPPES record lists a practice address at 312 W Portal Ave, San Francisco, CA, 94127. Phone: (415) 800-7674. Providers update this record themselves, so call before visiting.

How can I verify Sophia Bonk, MS OTR/L's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.