Clarissa Choy Wah Ho
- Part D claims, 2024
- 274
- Hospital affiliations
- 2
- Industry payments
- $114
- Medical groups
- 5
- Year NPI issued
- 2021
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Clarissa Ho's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Clarissa Choy Wah Ho is a physician assistant in San Francisco, California
Clarissa Ho practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Clarissa Ho's NPI, 1518636588, was assigned on September 12, 2021. Clarissa Ho graduated from University of California, Davis School of Medicine in 2021.
- NPI
- 1518636588NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537553821
- NPI enumeration date
- September 12, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Clarissa Choy Wah Ho practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Clarissa Ho's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Clarissa Choy Wah Ho is affiliated with 4 sites of care and 5 medical groups
Clarissa Ho's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Clarissa Ho is also affiliated with MarinHealth Medical Center. The medical group on file is UCSF Pediatrics. Dmand AI also links Clarissa Ho to 4 more medical groups and 2 group practices and clinics, each named with a free account. Clarissa Ho's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Clarissa Choy Wah Ho's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Clarissa Ho practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Clarissa Choy Wah Ho is one of 11,482 physician assistants in California
Physician assistant is Clarissa Ho's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Clarissa Ho
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Clarissa Choy Wah Ho's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Clarissa Ho's median patient age at 67, with 85% women.
Clarissa Ho's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women85%
- Men13%
Source: Dmand AI Patient Panel Data
Clarissa Choy Wah Ho wrote 274 Medicare Part D claims in 2024
In 2024, Clarissa Ho wrote 274 Medicare Part D claims for 131 patients. 100% of them were for generic drugs. CMS names the drug for 235 of them, across 8 drugs with 11 or more claims each, at $1,939 in total drug cost.
Clarissa Ho's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Clarissa Ho's Part D claims, 2024
- Opioids24%67 of 274 claims
- Antibiotics9%26 of 274 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Clarissa Choy Wah Ho offers telehealth to Medicare patients
Clarissa Ho accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Clarissa Ho as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Clarissa Choy Wah Ho received $114 in industry payments in 2024
CMS Open Payments shows 1 general payment to Clarissa Ho from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $114.
Companies that paid Clarissa Ho the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Clarissa Choy Wah Ho graduated from University of California, Davis School of Medicine
Clarissa Ho graduated from University of California, Davis School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Clarissa Choy Wah Ho's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Clarissa Choy Wah Ho
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Clarissa Choy Wah Ho's NPI number?
Clarissa Choy Wah Ho's NPI number is 1518636588. It was assigned on September 12, 2021, and it is active in the NPI Registry.
What does Clarissa Choy Wah Ho specialize in?
Clarissa Choy Wah Ho is a physician assistant in San Francisco, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Clarissa Choy Wah Ho practice?
Clarissa Ho practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Clarissa Ho's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Clarissa Ho to 4 medical groups and 2 group practices and clinics.
What is Clarissa Choy Wah Ho's office phone number?
The practice phone on file for Clarissa Ho is (415) 353-2733.
Which hospitals is Clarissa Choy Wah Ho affiliated with?
Clarissa Ho practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Clarissa Ho is also affiliated with MarinHealth Medical Center.
What medical group is Clarissa Choy Wah Ho part of?
Clarissa Ho is linked to UCSF Pediatrics. Dmand AI links Clarissa Ho to 4 more medical groups.
Does Clarissa Choy Wah Ho accept Medicare?
Yes. CMS lists Clarissa Ho as accepting Medicare assignment.
Does Clarissa Choy Wah Ho offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Clarissa Ho as offering telehealth services.
Where did Clarissa Choy Wah Ho go to medical school?
Clarissa Ho graduated from University of California, Davis School of Medicine in 2021.
What drugs does Clarissa Choy Wah Ho prescribe most?
In 2024 Medicare Part D data, Clarissa Ho's most prescribed drugs by claims were Meloxicam, Tramadol HCl and Hydrocodone-Acetaminophen.
Has Clarissa Choy Wah Ho received payments from drug or device companies?
CMS Open Payments shows $114 in general payments to Clarissa Ho from 1 company from 2024 to 2024. The largest total came from Eli Lilly and Company.
How long has Clarissa Choy Wah Ho been practicing?
Clarissa Ho graduated from medical school in 2021, 5 years ago.
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