Marissa Mederos Benge, FNP

  • San Francisco, CA
  • Family nurse practitioner
NPI1225483860PAC ID2567752223
Part D claims, 2024
2,089
Hospital affiliations
2
Industry payments
$76
Medical groups
4
State license
1
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
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 10 affiliations

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Marissa Mederos Benge is a family nurse practitioner in San Francisco, California

Marissa Benge practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Marissa Benge's NPI, 1225483860, was assigned on May 2, 2016. Marissa Benge holds California license 95004182.

NPI and contact details
Medicare PAC ID
2567752223
NPI enumeration date
May 2, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Marissa Mederos Benge practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Marissa Benge'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.

Source: Dmand AI Affiliation Data

Marissa Mederos Benge is affiliated with 6 sites of care and 4 medical groups

Marissa Benge's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Marissa Benge is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is UCSF Pediatrics. Dmand AI also links Marissa Benge to 4 more group practices and clinics and 3 medical groups, each named with a free account.

See all 10 affiliations for Marissa Benge

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Marissa Mederos Benge's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Benge practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+5 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Marissa Mederos Benge is one of 13,532 family nurse practitioners in California

Family is Marissa Benge's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Marissa Benge is licensed in California.

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense 95004182 · taxonomy 363LF0000X

Family nurse practitioners near Marissa Benge

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

Marissa Mederos Benge's patients have a median age of 64

Across all payers, Dmand AI patient panel data puts Marissa Benge's median patient age at 64, with 87% women.

Marissa Benge's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women87%
  • Men11%

Source: Dmand AI Patient Panel Data

Marissa Mederos Benge wrote 2,089 Medicare Part D claims in 2024

In 2024, Marissa Benge wrote 2,089 Medicare Part D claims for 377 patients. 85% of them were for generic drugs.

Part D claims, 20242,089
Part D patients377

Marissa Benge's Part D claims by kind of drug, 2024

  • Generic1,769 claims85%
  • Brand-name and other320 claims15%

Drug classes CMS tracks in Marissa Benge's Part D claims, 2024

  • Antibiotics5%108 of 2,089 claims
  • Antipsychotics, patients 65 and over1%12 of 2,089 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Marissa Mederos Benge offers telehealth to Medicare patients

Marissa Benge accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Marissa Benge as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Marissa Mederos Benge received $76 in industry payments in 2025

CMS Open Payments shows 3 general payments to Marissa Benge from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $31.

Companies that paid Marissa Benge the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Marissa Benge

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Marissa Mederos Benge's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Marissa Mederos Benge

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Marissa Mederos Benge's NPI number?

Marissa Mederos Benge's NPI number is 1225483860. It was assigned on May 2, 2016, and it is active in the NPI Registry.

What does Marissa Mederos Benge specialize in?

Marissa Mederos Benge is a family nurse practitioner in San Francisco, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Marissa Mederos Benge practice?

Marissa Benge practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Marissa Benge'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 Marissa Benge to 4 group practices and clinics and 3 medical groups.

What is Marissa Mederos Benge's office phone number?

The practice phone on file for Marissa Benge is (415) 353-2733.

What is Marissa Mederos Benge's medical license number?

Marissa Benge holds California license 95004182.

Which hospitals is Marissa Mederos Benge affiliated with?

Marissa Benge practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Marissa Benge is also affiliated with California Pacific Medical Center Van Ness Campus.

What medical group is Marissa Mederos Benge part of?

Marissa Benge is linked to UCSF Pediatrics. Dmand AI links Marissa Benge to 3 more medical groups.

Does Marissa Mederos Benge accept Medicare?

Yes. CMS lists Marissa Benge as accepting Medicare assignment.

Does Marissa Mederos Benge offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Marissa Benge as offering telehealth services.

Has Marissa Mederos Benge received payments from drug or device companies?

CMS Open Payments shows $76 in general payments to Marissa Benge from 3 companies from 2025 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.

How long has Marissa Mederos Benge been practicing?

Marissa Benge graduated from medical school in 2016, 10 years ago.

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