MACKENZIE JASSOWSKI PA-C
NPI 1689261620
Physician Assistant in San Francisco, CA

Q: What is Mackenzie Jassowski's NPI number?

The NPI number for Mackenzie Jassowski is 1689261620. It was assigned to this individual provider in the NPPES registry on December 23, 2020.

Q: What is Mackenzie Jassowski's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since December 23, 2020PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

3838 CALIFORNIA ST RM 715, SAN FRANCISCO, CA 94118(415) 592-2091(415) 752-2560 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 17, 2021, Dec 23, 2020 (2 updates tracked since 2020).

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About Mackenzie Jassowski Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MACKENZIE JASSOWSKI PA-C (NPI 1689261620) is an individual physician assistant in San Francisco, California, licensed in California (59681) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1689261620

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMACKENZIE JASSOWSKICredential: PA-C

Location Address3838 CALIFORNIA ST RM 715San Francisco, CA 94118-1509

Mailing Address3838 California St Rm 715San Francisco, CA 94118-1509 · (415) 592-2091

Phone(415) 592-2091

Fax(415) 752-2560

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateDecember 23, 2020

Last NPPES UpdateDecember 17, 20212 updates tracked since enumeration

NPPES CertifiedDecember 17, 2021

✔ NPI 1689261620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · 59681

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

3838 CALIFORNIA ST RM 715, San Francisco, CA 94118

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mackenzie Jassowski Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335546977

PECOS Enrollment IDI20210923001768

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

293 services216 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

160 services60 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

151 services95 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

79 services62 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

77 services68 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

66 services66 patients

Aspiration and/or injection of fluid from small joint 20600

This procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.

59 services48 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

29 services29 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

28 services28 patients

Application of elbow to finger cast 29075

An elbow to finger cast is applied to immobilize the arm from the elbow down to the fingers. This aids in healing fractures or severe sprains. The cast, made from plaster or fiberglass, wraps around the arm, providing support and limiting movement to promote recovery.

25 services24 patients

Cast supplies, short arm cast, adult (11 years +), fiberglass Q4010

A short arm cast, made from fiberglass, is often used for fractures or injuries to the wrist or forearm in adults and children over 11. It's lightweight, durable, and can be molded to fit your arm comfortably. This cast allows for limited movement while ensuring proper healing.

25 services24 patients

X-ray of finger, minimum of 2 views 73140

An X-ray of the finger involves capturing images of your finger from at least two different angles. This non-invasive procedure helps in visualizing the bones and joints, aiding in the diagnosis of fractures, infections, or other abnormalities. Minimal discomfort may be experienced.

23 services20 patients

Treatment of 3 or more broken lower forearm bone pieces on thumb side inside wrist joint with placement of stabilizing device 25609

This treatment involves repairing multiple fractures in the lower forearm near the thumb side of the wrist. A device is placed to stabilize the area, promoting proper healing. This procedure helps restore function and minimize discomfort.

21 services21 patients

Transfer of tendon to back of hand 26480

A transfer of tendon to the back of the hand is a surgical procedure aimed at improving hand function. It involves moving a healthy tendon from one area to another to replace a damaged or non-functioning one, helping to restore movement and strength.

12 services11 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Wrist hand finger orthosis, without joint(s), prefabricated, off-the-shelf, any type L3809

DME-Orthotic Devices · category DF000N

1 supplier14 claims14 services$173.69 avg. paid by Medicare

Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf L3908

DME-Orthotic Devices · category DF000N

1 supplier24 claims25 services$60.85 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAMES DAMIAN KELLY II MD

Orthopaedic Surgery