NPPES file of Aug 9, 2026

Samuel Yi-Li Frank, MD

Neuromuscular Medicine (Psychiatry & Neurology) Physician · Mission Viejo, CA

Samuel Yi-Li Frank, MD is a neuromuscular medicine (psychiatry & neurology) physician with a practice address in Mission Viejo, California, and NPI 1922637594, issued on Apr 6, 2020. Check the license (California A185091, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922637594
Name
Samuel Yi-Li Frank
Credential
MD
Primary taxonomy
Neuromuscular Medicine (Psychiatry & Neurology) Physician 2084N0008X
License number
A185091 CA
Self-reported in NPPES; status is on the state search
Practice location
26800 Crown Valley Pkwy Ste 385, Mission Viejo, CA 92691
Phone
(949) 542-8002
Enumerated
Apr 6, 2020
Record last updated
Aug 6, 2025
Medicare enrollment
Enrolled (PECOS I20250815000913); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2020
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 26800 Crown Valley Pkwy Ste 385

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

  1. Janny Clark, NPNurse Practitioner1932816626
  2. Parshaw Dorriz, MDNeurology Physician1972940625
  3. Basit Rahim, MDVascular Neurology Physician1003253071
  4. Richa Singh, MDNeurology Physician1902426265
  5. Jose Suazo, PA-CPhysician Assistant1639122153
  6. Ronak Vora, D.O.Neurology Physician1942560321

Verify Samuel Yi-Li Frank in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A185091
    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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77% fewer Medicare Part D claims than the average neuromuscular medicine (psychiatry & neurology) physician in 2024

194 Medicare Part D claims for 74 beneficiaries, against an average of 827 among the 258 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Samuel Frank194
  2. Specialty average827

Most prescribed

  1. Prednisone30 claims
  2. Riluzole23 claims
  3. Memantine Hcl17 claims
  4. Gabapentin14 claims
  5. Methotrexate11 claims
  6. Pyridostigmine Bromide11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $246.92

3 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 169 providers of this specialty with any payment received $11,922.98 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samuel Frank$247
  2. Specialty average$11,923

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Providence Medical FoundationMission Viejo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Neuromuscular Medicine (Psychiatry & Neurology) Physician providers in California

There are 38 neuromuscular medicine (psychiatry & neurology) physician records in California.

Other neuromuscular medicine (psychiatry & neurology) physician records in California

  1. Khalid Alrasheed, MBBSOrange, CA1215510797
  2. Jonathan Cauchi, MB BCH BAO, M.SC,BSCOrange, CA1831507649
  3. Swathy Chandrashekhar, M.D.San Francisco, CA1578945408
  4. John Day, MDStanford, CA1447291992
  5. Grant De Lamotte, M.D.Arroyo Grande, CA1548412026
  6. Gabrielle Dufort, MDPalo Alto, CA1831923812
  7. Namita Goyal, M.D.Orange, CA1336116904
  8. Maxwell Greene, MDStanford, CA1720372576
  9. Ali Habib, MDOrange, CA1518124288
  10. Juliet Jenkins, MB CHBSan Francisco, CA1407300940

Common questions

What is Samuel Yi-Li Frank, MD's NPI number?

Samuel Yi-Li Frank, MD's National Provider Identifier (NPI) is 1922637594, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Yi-Li Frank, MD located?

The NPPES record lists a practice address at 26800 Crown Valley Pkwy Ste 385, Mission Viejo, CA, 92691. Phone: (949) 542-8002. Providers update this record themselves, so call before visiting.

How can I verify Samuel Yi-Li Frank, MD's license?

NPPES lists California license number A185091, 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.

How much does Samuel Yi-Li Frank, MD prescribe under Medicare Part D?

In 2024, Samuel Yi-Li Frank, MD had 194 Medicare Part D claims for 74 beneficiaries; the average among neuromuscular medicine (psychiatry & neurology) physician prescribers was 827. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.