Larissa Belsky, FNP
- Part D claims, 2024
- 1,889
- Hospital affiliations
- 2
- Industry payments
- $356
- Medical groups
- 3
- State license
- 1
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Larissa Belsky'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.
Larissa Belsky is a family nurse practitioner in San Mateo, California
Larissa Belsky practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Larissa Belsky's NPI, 1063042380, was assigned on January 26, 2020. Larissa Belsky holds California license 95013741.
- NPI
- 1063042380NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648680132
- NPI enumeration date
- January 26, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Larissa Belsky practices at San Mateo Medical Center in San Mateo, California
Larissa Belsky's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Larissa Belsky is affiliated with 4 sites of care and 3 medical groups
Larissa Belsky's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Larissa Belsky is also affiliated with Mills-Peninsula Medical Center. The medical group on file is San Mateo Medical Center. Dmand AI also links Larissa Belsky to 2 more medical groups, 1 group practice or clinic and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Larissa Belsky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Larissa Belsky practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Larissa Belsky is one of 13,532 family nurse practitioners in California
Family is Larissa Belsky's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Larissa Belsky is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists fluid and electrolyte imbalances and knee injury among the conditions Larissa Belsky treats.
Family nurse practitioners near Larissa Belsky
Counts of family nurse practitioners 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
Larissa Belsky's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Larissa Belsky's median patient age at 50, with 63% women.
Larissa Belsky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women63%
- Men36%
Source: Dmand AI Patient Panel Data
Larissa Belsky wrote 1,889 Medicare Part D claims in 2024
In 2024, Larissa Belsky wrote 1,889 Medicare Part D claims for 131 patients. 78% of them were for generic drugs. CMS names the drug for 1,542 of them, across 48 drugs with 11 or more claims each, at $237,155 in total drug cost.
Larissa Belsky's Part D claims by kind of drug, 2024
- Generic1,481 claims78%
- Brand-name386 claims20%
- Other22 claims1%
Larissa Belsky'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 Larissa Belsky's Part D claims, 2024
- Opioids4%68 of 1,889 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
How Larissa Belsky takes part in Medicare
Larissa Belsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- 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.
Larissa Belsky received $356 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Larissa Belsky from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Inspire Medical Systems, Inc. paid the most, $130.
General payments to Larissa Belsky by program year, 2024 to 2025
Companies that paid Larissa Belsky the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Larissa Belsky'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) |
| 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 Larissa Belsky
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Larissa Belsky's NPI number?
Larissa Belsky's NPI number is 1063042380. It was assigned on January 26, 2020, and it is active in the NPI Registry.
What does Larissa Belsky specialize in?
Larissa Belsky is a family nurse practitioner in San Mateo, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Larissa Belsky practice?
Larissa Belsky practices at 222 W 39th Ave, San Mateo, CA 94403. Larissa Belsky's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Larissa Belsky to 2 medical groups, 1 group practice or clinic and 1 skilled nursing facility.
What is Larissa Belsky's office phone number?
The practice phone on file for Larissa Belsky is (650) 573-2222.
What is Larissa Belsky's medical license number?
Larissa Belsky holds California license 95013741.
Which hospitals is Larissa Belsky affiliated with?
Larissa Belsky practices at San Mateo Medical Center in San Mateo, California. Larissa Belsky is also affiliated with Mills-Peninsula Medical Center.
What medical group is Larissa Belsky part of?
Larissa Belsky is linked to San Mateo Medical Center. Dmand AI links Larissa Belsky to 2 more medical groups.
Does Larissa Belsky accept Medicare?
Yes. CMS lists Larissa Belsky as accepting Medicare assignment.
What drugs does Larissa Belsky prescribe most?
In 2024 Medicare Part D data, Larissa Belsky's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Larissa Belsky received payments from drug or device companies?
CMS Open Payments shows $356 in general payments to Larissa Belsky from 3 companies from 2024 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Larissa Belsky been practicing?
Larissa Belsky graduated from medical school in 2019, 7 years ago.
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