Grace Lo
Medical Physician Assistant · Pomona, CA
Grace Lo is a medical physician assistant with a practice address in Pomona, California, and NPI 1245968452, issued on Aug 15, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace Lo
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- Practice location
- 309 E 2ND St, Pomona, CA 91766
- Phone
- (909) 623-6116
- Enumerated
- Aug 15, 2022
- Record last updated
- Aug 15, 2022
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 309 E 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average medical physician assistant in 2024
342 Medicare Part D claims for 141 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa29 claims
- Azithromycin27 claims
- Levothyroxine Sodium16 claims
- Atorvastatin Calcium13 claims
- Losartan Potassium12 claims
- Meloxicam11 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: $21.02
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Grace Lo among 3,376 medical physician assistant records in California
Grace Lo is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 82% of them.
- NPI issued2022 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Pomona → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Whitney BrazilPomona, CA 917661861051377
- Abby CappadonaPomona, CA 917661164850764
- James Cheung, PA-CPomona, CA 917661891018313
- Mia CurtisPomona, CA 917661013630375
- Nan Jiang, P.A.Pomona, CA 917661528451812
- Nancy Nielsen-Brown, PA-CPomona, CA 917661003101882
- Daniella NiliPomona, CA 917661417784653
- Felicia OrtizPomona, CA 917661699516088
Common questions
What is Grace Lo's NPI number?
Grace Lo's National Provider Identifier (NPI) is 1245968452, issued on Aug 15, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Grace Lo located?
The NPPES record lists a practice address at 309 E 2ND St, Pomona, CA, 91766. Phone: (909) 623-6116. Providers update this record themselves, so call before visiting.
How can I verify Grace Lo's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Grace Lo prescribe under Medicare Part D?
In 2024, Grace Lo had 342 Medicare Part D claims for 141 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.