Clarissa Ho
Physician Assistant · Redwood City, CA
Clarissa Ho is a physician assistant with a practice address in Redwood City, California, and NPI 1518636588, issued on Sep 12, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clarissa Ho
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 290 Redwood Shores Pkwy, Redwood City, CA 94065
- Phone
- (415) 514-6495
- Enumerated
- Sep 12, 2021
- Record last updated
- Jul 21, 2025
- Fax
- (415) 502-6475
- Medicare enrollment
- Enrolled (PECOS I20220302002602); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 290 Redwood Shores Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sneha Hinduja, AUDAudiologist1144560681
- Rina Kadakia, MDFamily Medicine Physician1700946332
- Robert Kiningham, MDSports Medicine (Family Medicine) Physician1346338456
- Daniela McCabe, AUDAudiologist1053104372
- Adele Miles, PHARM.D.Pharmacist1275898264
Verify Clarissa Ho 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
67% fewer Medicare Part D claims than the average physician assistant in 2024
274 Medicare Part D claims for 131 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 67 claims were for opioids.
Most prescribed
- Meloxicam100 claims
- Tramadol Hcl33 claims
- Hydrocodone-Acetaminophen30 claims
- Cephalexin20 claims
- Ibuprofen17 claims
- Diclofenac Sodium13 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: $113.65
1 payment: food and beverage; the largest payer was Lilly USA, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Ucsf Medical Group Business ServicesBerkeley, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clarissa Ho among 14,451 physician assistant records in California
Clarissa Ho 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 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2021 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 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.
All 14,451 in California → Every provider in Redwood City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Hannah O'Brien, PA-CRedwood City, CA 940651780216598
- Jasmine GonzalezSan Bruno, CA 940661972499911
- Marc Massey, PA-CSan Bruno, CA 940661649680364
- Sandra Pineros, PA-CSan Bruno, CA 940661225220163
- Monica Ramirez Cisneros, PA-CSan Bruno, CA 940661427768217
- Josefina Baca-Asher, PA-CRedwood City, CA 940631477796688
- Kelsey Barclay, PA-CRedwood City, CA 940631215455795
- Krista Bartlett, PA-CRedwood City, CA 940631578828117
Common questions
What is Clarissa Ho's NPI number?
Clarissa Ho's National Provider Identifier (NPI) is 1518636588, issued on Sep 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Clarissa Ho located?
The NPPES record lists a practice address at 290 Redwood Shores Pkwy, Redwood City, CA, 94065. Phone: (415) 514-6495. Providers update this record themselves, so call before visiting.
How can I verify Clarissa Ho's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Clarissa Ho prescribe under Medicare Part D?
In 2024, Clarissa Ho had 274 Medicare Part D claims for 131 beneficiaries; the average among physician assistant prescribers was 830. 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.