Matthew Jacob Stephen, PA-C

  • San Francisco, CA
  • Physician assistant
NPI1629591383PAC ID3779858725
Medicare services, 2024
524
Medicare patients, 2024
235
Part D claims, 2024
411
Publications
4
MIPS score, 2024
87
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 8 affiliations

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Matthew Jacob Stephen is a physician assistant in San Francisco, California

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

Matthew Stephen's NPI, 1629591383, was assigned on July 24, 2017. Matthew Stephen holds California license PA54572.

NPI and contact details
Medicare PAC ID
3779858725
NPI enumeration date
July 24, 2017
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
Male
Estimated age
35
Medical school graduation
2017

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

Matthew Jacob Stephen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Matthew Stephen'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

Matthew Jacob Stephen is affiliated with 4 sites of care and 4 medical groups

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

See all 8 affiliations for Matthew Stephen

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

Dmand AI tracks the EHR system at Matthew Jacob Stephen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Stephen practices, 4 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
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Matthew Jacob Stephen is one of 11,482 physician assistants in California

Physician assistant is Matthew Stephen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Matthew Stephen is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA54572 · taxonomy 363A00000X

Physician assistants near Matthew Stephen

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

Matthew Jacob Stephen billed Medicare for 524 services in 2024

CMS data shows 524 Medicare services from Matthew Stephen across 8 procedure codes in 2024, for 235 Medicare patients. Medicare paid $27,585 for them. Every service was in an office.

Medicare services, 2024524
Medicare patients235
Paid by Medicare$27,585
Procedure codes8

Matthew Stephen's Medicare services by type, 2024

  1. Office and hospital visits371
  2. Tests and treatments83
  3. Surgery70

Matthew Stephen compared with the California median for physician assistants, 2024

  • Matthew Stephen
  • California median
Medicare services
524vs 2042.6 times
Medicare patients
235vs 1052.2 times
Part D claims
335vs 24338% above

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Matthew Stephen's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Matthew Stephen

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Matthew Jacob Stephen treated 235 Medicare patients in 2024, average age 74

CMS counts 235 Medicare patients who saw Matthew Stephen in 2024. The largest group is 65 to 74, with 96 patients. 67% of them have high cholesterol, and 60% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Matthew Stephen's median patient age at 72, with 61% women.

Medicare patients, 2024235
Average age74
Average risk score1.18
Also on Medicaid29%

Matthew Stephen's Medicare patients by age, 2024

Matthew Stephen's Medicare patients by sex, 2024

  • Women14060%
  • Men9540%

Chronic conditions among Matthew Stephen's Medicare patients, 2024

  1. High cholesterol67%
  2. High blood pressure60%
  3. Arthritis37%
  4. Mood disorders24%
  5. Cancer22%
  6. Osteoporosis21%
  7. Chronic kidney disease20%
  8. Anxiety18%

Share of Medicare patients with each condition. A patient can have several.

Matthew Stephen's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women61%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Matthew Jacob Stephen wrote 411 Medicare Part D claims in 2024

In 2024, Matthew Stephen wrote 411 Medicare Part D claims for 146 patients. 98% of them were for generic drugs. CMS names the drug for 335 of them, across 9 drugs with 11 or more claims each, at $8,719 in total drug cost.

Part D claims, 2024411
Drugs named by CMS9
Total drug cost$8,719
Part D patients146

Matthew Stephen's Part D claims by kind of drug, 2024

  • Generic402 claims98%
  • Brand-name and other9 claims2%

Matthew Stephen'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.

See all prescribing by Matthew Stephen

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

Matthew Jacob Stephen scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Matthew Stephen for performance year 2024, reported as part of a group. Matthew Stephen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Matthew Stephen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Matthew Stephen's MIPS scores, performance year 2024

  • 87of 100Final score
  • 86.8of 100Quality
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Matthew Jacob Stephen has 4 publications on record

Dmand AI links 4 papers to Matthew Stephen in 2014.

Papers4

Recent publications by Matthew Stephen

See all 4 publications and co-authors

See who Matthew Stephen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Matthew Stephen works with, so you can find a warm path to the right physician assistants.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Matthew Jacob Stephen received $32 in industry payments in 2024

CMS Open Payments shows 1 general payment to Matthew Stephen from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $32.

Companies that paid Matthew Stephen the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Matthew Stephen

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

Sources for Matthew Jacob Stephen'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Matthew Jacob Stephen

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

What is Matthew Jacob Stephen's NPI number?

Matthew Jacob Stephen's NPI number is 1629591383. It was assigned on July 24, 2017, and it is active in the NPI Registry.

What does Matthew Jacob Stephen specialize in?

Matthew Jacob Stephen is a physician assistant in San Francisco, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Matthew Jacob Stephen practice?

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

What is Matthew Jacob Stephen's office phone number?

The practice phone on file for Matthew Stephen is (415) 353-2733.

What is Matthew Jacob Stephen's medical license number?

Matthew Stephen holds California license PA54572.

Which hospitals is Matthew Jacob Stephen affiliated with?

Matthew Stephen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Matthew Jacob Stephen part of?

Matthew Stephen is linked to UCSF Pediatrics. Dmand AI links Matthew Stephen to 3 more medical groups.

Does Matthew Jacob Stephen accept Medicare?

Yes. CMS data shows Matthew Stephen billed Medicare for 524 services in 2024, and Matthew Stephen accepts Medicare assignment.

Does Matthew Jacob Stephen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Matthew Stephen as offering telehealth services.

What is Matthew Jacob Stephen's MIPS score?

Matthew Stephen's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Matthew Jacob Stephen see?

CMS counts 235 Medicare patients who saw Matthew Stephen in 2024, with an average age of 74.

What services does Matthew Jacob Stephen bill to Medicare?

In 2024, Matthew Stephen's most billed Medicare services were office visit, established patient (99213), ear, nose and throat service (92504) and office visit, new patient (99203).

What drugs does Matthew Jacob Stephen prescribe most?

In 2024 Medicare Part D data, Matthew Stephen's most prescribed drugs by claims were Omeprazole, Fluticasone Propionate and Azelastine HCl.

Has Matthew Jacob Stephen received payments from drug or device companies?

CMS Open Payments shows $32 in general payments to Matthew Stephen from 1 company from 2024 to 2024. The largest total came from Sanofi and Genzyme US Companies.

How long has Matthew Jacob Stephen been practicing?

Matthew Stephen graduated from medical school in 2017, 9 years ago.

Does Matthew Jacob Stephen do research?

Dmand AI links 4 publications to Matthew Stephen.

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