Clarissa Katherine Calderon-Meza, FNP-C
Family Nurse Practitioner · San Francisco, CA
Clarissa Katherine Calderon-Meza, FNP-C is a family nurse practitioner with a practice address in San Francisco, California, and NPI 1700449162, issued on Apr 20, 2019. Check the license (California 95019721, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clarissa Katherine Calderon-Meza
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95019721 CA
AP141430 TX
Self-reported in NPPES; status is on the state search - Practice location
- 840 Irving St, San Francisco, CA 94122
- Phone
- (888) 663-6331
- Enumerated
- Apr 20, 2019
- Record last updated
- Jun 20, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20220131000518); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 840 Irving St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Adler, PA-CPhysician Assistant1346992138
- Xi Chen, MDFamily Medicine Physician1902434970
- Maksura Chowdhury, M.D.Family Medicine Physician1831831197
- Rose Marie Grainda, PA-CPhysician Assistant1528253648
- Alexander KazberoukGeriatric Medicine (Internal Medicine) Physician1831694660
- Shevaun Lewallen, NPNurse Practitioner1679123616
Verify Clarissa Katherine Calderon-Meza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95019721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family nurse practitioner in 2024
87 Medicare Part D claims for 27 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of 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: $38.69
1 payment: food and beverage; the largest payer was Pylant Medical. The 99,489 providers of this specialty with any payment received $650.95 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
- 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 Katherine Calderon-Meza among 16,966 family nurse practitioner records in California
Clarissa Katherine Calderon-Meza, FNP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2018 · median 2019 among the 6,793 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
662 family nurse practitioner records list a practice address in San Francisco
They are 662 of the 38,143 NPPES records with a practice address in San Francisco, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in San Francisco → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Siwei LiuSan Francisco, CA 941221154727998
- Margot Munzel, NPSan Francisco, CA 941221619360807
- Phiona Tan, FNPSan Francisco, CA 941221770098469
- Le Thai, NPSan Francisco, CA 941221598072670
- Bonnie Yuen, FNP-C, MSN, MNSan Francisco, CA 941221497680672
- Margaret AnsaySan Francisco, CA 941211629554480
- Egmidio Babasa, NPSan Francisco, CA 941211104612829
- Meaghan Corbin, FNP-BCSan Francisco, CA 941211134047988
Common questions
What is Clarissa Katherine Calderon-Meza, FNP-C's NPI number?
Clarissa Katherine Calderon-Meza, FNP-C's National Provider Identifier (NPI) is 1700449162, issued on Apr 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Clarissa Katherine Calderon-Meza, FNP-C located?
The NPPES record lists a practice address at 840 Irving St, San Francisco, CA, 94122. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Clarissa Katherine Calderon-Meza, FNP-C's license?
NPPES lists California license number 95019721, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Clarissa Katherine Calderon-Meza, FNP-C prescribe under Medicare Part D?
In 2024, Clarissa Katherine Calderon-Meza, FNP-C had 87 Medicare Part D claims for 27 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.