NPPES file of Aug 9, 2026

Lisa D. Ryder, PA-C

Physician Assistant · Redwood City, CA

Lisa D. Ryder, PA-C is a physician assistant with a practice address in Redwood City, California, and NPI 1699916817, issued on Mar 18, 2009. Check the license (California PA20192, as entered in NPPES) with the California board that licenses this profession; 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
1699916817
Name
Lisa D. Ryder
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA20192 CA
Self-reported in NPPES; status is on the state search
Practice location
450 Broadway St, Redwood City, CA 94063
Phone
(650) 725-5905
Enumerated
Mar 18, 2009
Record last updated
Mar 18, 2009 (not updated in 17 years: call before relying on the address or phone)
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 450 Broadway St

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

  1. Ran AtzmonOrthopaedic Surgery Physician1558023267
  2. Josefina Baca-Asher, PA-CPhysician Assistant1477796688
  3. Eldridge Batuyong, MDOrthopaedic Surgery Physician1639427321
  4. George Bugarinovic, MDSports Medicine (Orthopaedic Surgery) Physician1366062770
  5. Alexander Caspary-IsarOrthopedic Physical Therapist1043176084
  6. Michael Chen, MDStudent in an Organized Health Care Education/Training Program1588452403

Verify Lisa D. Ryder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA20192
    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
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $83.17

3 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lisa Ryder$83.17
  2. Specialty average$841.65

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

Lisa D. Ryder among 14,451 physician assistant records in California

Lisa D. Ryder, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 25% of them.

  • NPI issued2009 · 25% of these records are older, 73% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2009 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 physician assistant records list a practice address in Redwood City

They are 38 of the 2,795 NPPES records with a practice address in Redwood City, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Josefina Baca-Asher, PA-CRedwood City, CA 940631477796688
  2. Kelsey Barclay, PA-CRedwood City, CA 940631215455795
  3. Krista Bartlett, PA-CRedwood City, CA 940631578828117
  4. Ivan Bernstein, PA-CRedwood City, CA 940631164634176
  5. Michaela Cerrato, PA-CRedwood City, CA 940631023539673
  6. Kristina Gurney, PARedwood City, CA 940631124579149
  7. Stephanie HuangRedwood City, CA 940631952808206
  8. Michael Jorgensen, PA-CRedwood City, CA 940631457302101

Common questions

What is Lisa D. Ryder, PA-C's NPI number?

Lisa D. Ryder, PA-C's National Provider Identifier (NPI) is 1699916817, issued on Mar 18, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Lisa D. Ryder, PA-C located?

The NPPES record lists a practice address at 450 Broadway St, Redwood City, CA, 94063. Phone: (650) 725-5905. Providers update this record themselves, so call before visiting.

How can I verify Lisa D. Ryder, PA-C's license?

NPPES lists California license number PA20192, as entered by the provider. 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. 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.