Patricia K. Loo, P.A.
Surgical Physician Assistant · Walnut Creek, CA
Patricia K. Loo, P.A. is a surgical physician assistant with a practice address in Walnut Creek, California, and NPI 1083755862, issued on Feb 12, 2007. Check the license (California PA18624, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Patricia K. Loo
- Credential
- P.A.
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- PA18624 CA
Self-reported in NPPES; status is on the state search - Practice location
- 106 LA Casa Via Ste 240, Walnut Creek, CA 94598
- Phone
- (925) 932-7704
- Enumerated
- Feb 12, 2007
- Record last updated
- Jan 25, 2023
- Fax
- (925) 932-7752
- Medicare enrollment
- Enrolled (PECOS I20070523000573); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Verify Patricia K. Loo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average surgical physician assistant in 2024
1,226 Medicare Part D claims for 537 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Ketoconazole213 claims
- Imiquimod115 claims
- Mupirocin103 claims
- Metronidazole91 claims
- Fluticasone Propionate88 claims
- Betamethasone Diprop Augmented82 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 practice group's MIPS final score for 2023 (Medicare payment program): 98.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,168.55
83 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Golden State Dermatology Associates, Inc.Walnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patricia K. Loo among 1,075 surgical physician assistant records in California
Patricia K. Loo, P.A. is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 59% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · median 2012 among the 649 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Walnut Creek → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- David Brand, P.A.Walnut Creek, CA 945981346366556
- Brian Costello, PHYSICIAN ASSISTANTWalnut Creek, CA 945981396833257
- Bridget Garrehy, P.A.Walnut Creek, CA 945981710250865
- Jennifer Hayashi, P.A.Walnut Creek, CA 945981184959033
- Mariel Heller-Benson, PA-CWalnut Creek, CA 945981891083408
- Kevin Lowe, PA-CWalnut Creek, CA 945981659644870
- Thomas Markiewith, P.A.Walnut Creek, CA 945981427086149
- Christine Martinez, P.A.-CWalnut Creek, CA 945981871650523
Common questions
What is Patricia K. Loo, P.A.'s NPI number?
Patricia K. Loo, P.A.'s National Provider Identifier (NPI) is 1083755862, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Patricia K. Loo, P.A. located?
The NPPES record lists a practice address at 106 LA Casa Via Ste 240, Walnut Creek, CA, 94598. Phone: (925) 932-7704. Providers update this record themselves, so call before visiting.
How can I verify Patricia K. Loo, P.A.'s license?
NPPES lists California license number PA18624, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Patricia K. Loo, P.A. prescribe under Medicare Part D?
In 2024, Patricia K. Loo, P.A. had 1,226 Medicare Part D claims for 537 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Patricia K. Loo, P.A.'s MIPS final score?
The 2023 MIPS final score is 98.3 of 100, reported for the practice group. 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.