NPPES file of Aug 9, 2026

Rita Keileh, PHYSICIAN ASSISTANT

Physician Assistant · Walnut Creek, CA

Rita Keileh, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Walnut Creek, California, and NPI 1649505041, issued on Oct 3, 2009. Check the license (California 53704, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649505041
Name
Rita Keileh
Credential
PHYSICIAN ASSISTANT
Primary taxonomy
Physician Assistant 363A00000X
License numbers
53704 CA
085003572 IL
Self-reported in NPPES; status is on the state search
Practice location
1450 Treat Blvd # 160, Walnut Creek, CA 94597
Phone
(925) 296-9000
Enumerated
Oct 3, 2009
Record last updated
Jun 20, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170403000353); accepts Medicare assignment
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 1450 Treat Blvd # 160

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

  1. Victoria Agnost, M.D.Pediatrics Physician1972630804
  2. Roger Castillo, PA-CPhysician Assistant1134235773
  3. Jessica CouchPhysician Assistant1730559642
  4. Sarah Ekberg, PA-CPhysician Assistant1346539616
  5. Daniel EscamillaFamily Medicine Physician1164960639
  6. Ramon Ryan Garcia, MDFamily Medicine Physician1164840856

Verify Rita Keileh 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 53704
    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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3% fewer Medicare Part D claims than the average physician assistant in 2024

805 Medicare Part D claims for 619 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 39 claims were for opioids.

  1. Rita Keileh805
  2. Specialty average830

Most prescribed

  1. Doxycycline Monohydrate111 claims
  2. Amoxicillin-Clavulanate Potass60 claims
  3. Azithromycin44 claims
  4. Albuterol Sulfate Hfa43 claims
  5. Paxlovid42 claims
  6. Cephalexin35 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.

The MIPS final score for 2023 (Medicare payment program): 91.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score92.8
  2. Costout of 100 · 30%77.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. John Muir Physician NetworkWalnut Creek, CA

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

Rita Keileh among 14,451 physician assistant records in California

Rita Keileh, PHYSICIAN ASSISTANT 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 fileYes · 50% of these records are
  • Graduated2009 · median 2018 among the 7,214 with a school on file
  • Record last updated2018 · 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).

89 physician assistant records list a practice address in Walnut Creek

They are 89 of the 6,170 NPPES records with a practice address in Walnut Creek, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Roger Castillo, PA-CWalnut Creek, CA 945971134235773
  2. Debbie Chan, MPAWalnut Creek, CA 945971891084117
  3. Jessica CouchWalnut Creek, CA 945971730559642
  4. Sarah Ekberg, PA-CWalnut Creek, CA 945971346539616
  5. Olivia HatcherWalnut Creek, CA 945971407709926
  6. Clayton Laderer, PA-CWalnut Creek, CA 945971740664184
  7. Tyson McMullen, PA-CWalnut Creek, CA 945971154006757
  8. Lauren Montgomery, PA-CWalnut Creek, CA 945971194615252

Common questions

What is Rita Keileh, PHYSICIAN ASSISTANT's NPI number?

Rita Keileh, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1649505041, issued on Oct 3, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Rita Keileh, PHYSICIAN ASSISTANT located?

The NPPES record lists a practice address at 1450 Treat Blvd # 160, Walnut Creek, CA, 94597. Phone: (925) 296-9000. Providers update this record themselves, so call before visiting.

How can I verify Rita Keileh, PHYSICIAN ASSISTANT's license?

NPPES lists California license number 53704, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Rita Keileh, PHYSICIAN ASSISTANT prescribe under Medicare Part D?

In 2024, Rita Keileh, PHYSICIAN ASSISTANT had 805 Medicare Part D claims for 619 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Rita Keileh, PHYSICIAN ASSISTANT's MIPS final score?

The 2023 MIPS final score is 91.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.