Mackenzie Jassowski, PA-C

  • San Francisco, CA
  • Physician assistant
NPI1689261620PAC ID9335546977
Medicare services, 2024
1,060
Medicare patients, 2024
398
Part D claims, 2024
437
MIPS score, 2024
84
Hospital affiliations
3
Practice address
1635 Divisadero Street, Suite 200, San Francisco, CA 94115
Practice phone
Call (415) 346-4548
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Presidio Surgery Center

Surgery Center - Medicare-Certified · San Francisco, California

See all 8 affiliations

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Mackenzie Jassowski is a physician assistant in San Francisco, California

Mackenzie Jassowski practices at Presidio Surgery Center in San Francisco, California.

Mackenzie Jassowski's NPI, 1689261620, was assigned on December 23, 2020. Mackenzie Jassowski holds California license 59681.

NPI and contact details
Medicare PAC ID
9335546977
NPI enumeration date
December 23, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 346-4548
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)

Mackenzie Jassowski practices at Presidio Surgery Center in San Francisco, California

Mackenzie Jassowski's primary practice is Presidio Surgery Center, at 1635 Divisadero Street, Suite 200, San Francisco, CA 94115. The practice phone is (415) 346-4548.

  • Presidio Surgery Center
    1635 Divisadero Street, Suite 200, San Francisco, CA 94115Phone(415) 346-4548

Source: Dmand AI Affiliation Data

Mackenzie Jassowski is affiliated with 6 sites of care and 2 medical groups

Mackenzie Jassowski's primary practice is Presidio Surgery Center in San Francisco, California. Mackenzie Jassowski is also affiliated with California Pacific Medical Center Davies Campus. The medical group on file is California Pacific Orthopaedics. Dmand AI also links Mackenzie Jassowski to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 8 affiliations for Mackenzie Jassowski

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

Dmand AI tracks the EHR system at Mackenzie Jassowski's practice

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

EHR by site
SiteEHR vendor and product
Presidio Surgery CenterAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Mackenzie Jassowski is one of 11,482 physician assistants in California

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

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 59681 · taxonomy 363A00000X

Clinical focus

Dmand AI lists arthritis, broken or dislocated ankle/ or foot, carpal tunnel syndrome, gout, hand joint or tendon inflammation, joint cyst, joint pain and minor injury to a limb among the conditions Mackenzie Jassowski treats.

Physician assistants near Mackenzie Jassowski

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

Mackenzie Jassowski billed Medicare for 1,060 services in 2024

CMS data shows 1,060 Medicare services from Mackenzie Jassowski across 15 procedure codes in 2024, for 398 Medicare patients. Medicare paid $51,807 for them.

Medicare services, 20241,060
Medicare patients398
Paid by Medicare$51,807
Procedure codes15

Mackenzie Jassowski's Medicare services by type, 2024

  1. Office and hospital visits416
  2. Imaging265
  3. Surgery194
  4. Drugs given in the office160
  5. Other services25

Where Mackenzie Jassowski's Medicare services took place, 2024

  • In an office1,02797%
  • In a facility333%

Mackenzie Jassowski compared with the California median for physician assistants, 2024

  • Mackenzie Jassowski
  • California median
Medicare services
1,060vs 2045.2 times
Medicare patients
398vs 1053.8 times
Part D claims
404vs 24366% above

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

Mackenzie Jassowski'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 Mackenzie Jassowski

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

Mackenzie Jassowski treated 398 Medicare patients in 2024, average age 75

CMS counts 398 Medicare patients who saw Mackenzie Jassowski in 2024. The largest group is 65 to 74, with 175 patients. 74% of them have high cholesterol, and 66% have arthritis. 9% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mackenzie Jassowski's median patient age at 68, with 61% women.

Medicare patients, 2024398
Average age75
Average risk score0.92
Also on Medicaid9%

Mackenzie Jassowski's Medicare patients by age, 2024

Mackenzie Jassowski's Medicare patients by sex, 2024

  • Women25364%
  • Men14536%

Chronic conditions among Mackenzie Jassowski's Medicare patients, 2024

  1. High cholesterol74%
  2. Arthritis66%
  3. High blood pressure54%
  4. Mood disorders22%
  5. Osteoporosis21%
  6. Ischemic heart disease20%
  7. Anxiety19%
  8. Depression19%

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

Mackenzie Jassowski's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women61%
  • Men36%

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

Mackenzie Jassowski wrote 437 Medicare Part D claims in 2024

In 2024, Mackenzie Jassowski wrote 437 Medicare Part D claims for 251 patients. 99% of them were for generic drugs. CMS names the drug for 404 of them, across 6 drugs with 11 or more claims each, at $1,832 in total drug cost.

Part D claims, 2024437
Drugs named by CMS6
Total drug cost$1,832
Part D patients251

Mackenzie Jassowski's Part D claims by kind of drug, 2024

  • Generic434 claims99%
  • Brand-name and other3 claims1%

Mackenzie Jassowski'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 Mackenzie Jassowski's Part D claims, 2024

  • Opioids55%242 of 437 claims
  • Antibiotics3%14 of 437 claims

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

See all prescribing by Mackenzie Jassowski

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

Mackenzie Jassowski scored 84 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Mackenzie Jassowski for performance year 2024, reported as part of a group. Mackenzie Jassowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mackenzie Jassowski as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Mackenzie Jassowski's MIPS scores, performance year 2024

  • 84of 100Final score
  • 90.5of 100Quality
  • 76of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 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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Mackenzie Jassowski received $52 in industry payments in 2025

CMS Open Payments shows 2 general payments to Mackenzie Jassowski from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $28.

Companies that paid Mackenzie Jassowski the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Mackenzie Jassowski

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

Sources for Mackenzie Jassowski'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)
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 Mackenzie Jassowski

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

What is Mackenzie Jassowski's NPI number?

Mackenzie Jassowski's NPI number is 1689261620. It was assigned on December 23, 2020, and it is active in the NPI Registry.

What does Mackenzie Jassowski specialize in?

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

Where does Mackenzie Jassowski practice?

Mackenzie Jassowski practices at 1635 Divisadero Street, Suite 200, San Francisco, CA 94115. Mackenzie Jassowski's primary practice is Presidio Surgery Center in San Francisco, California. Dmand AI also links Mackenzie Jassowski to 2 hospitals, 2 group practices and clinics and 1 medical group.

What is Mackenzie Jassowski's office phone number?

The practice phone on file for Mackenzie Jassowski is (415) 346-4548.

What is Mackenzie Jassowski's medical license number?

Mackenzie Jassowski holds California license 59681.

Which hospitals is Mackenzie Jassowski affiliated with?

Mackenzie Jassowski is affiliated with California Pacific Medical Center Davies Campus. Dmand AI links Mackenzie Jassowski to 2 more hospitals.

What medical group is Mackenzie Jassowski part of?

Mackenzie Jassowski is linked to California Pacific Orthopaedics. Dmand AI links Mackenzie Jassowski to 1 more medical group.

Does Mackenzie Jassowski accept Medicare?

Yes. CMS data shows Mackenzie Jassowski billed Medicare for 1,060 services in 2024, and Mackenzie Jassowski accepts Medicare assignment.

Does Mackenzie Jassowski offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Mackenzie Jassowski as offering telehealth services.

What is Mackenzie Jassowski's MIPS score?

Mackenzie Jassowski's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

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How many Medicare patients does Mackenzie Jassowski see?

CMS counts 398 Medicare patients who saw Mackenzie Jassowski in 2024, with an average age of 75.

What services does Mackenzie Jassowski bill to Medicare?

In 2024, Mackenzie Jassowski's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J3301) and diagnostic imaging (73110).

What drugs does Mackenzie Jassowski prescribe most?

In 2024 Medicare Part D data, Mackenzie Jassowski's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron HCl and Oxycodone-Acetaminophen.

Has Mackenzie Jassowski received payments from drug or device companies?

CMS Open Payments shows $52 in general payments to Mackenzie Jassowski from 2 companies from 2025 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.

How long has Mackenzie Jassowski been practicing?

Mackenzie Jassowski graduated from medical school in 2021, 5 years ago.

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