Mary Elizabeth Zakrzewski, PA-C

  • Horsham, PA
  • Physician assistant
NPI1275409765PAC ID4183116213
Affiliated sites
2
Medical groups
2
State license
1
Year NPI issued
2025
Practice address
900 Business Center Dr, Horsham, PA 19044
Practice phone
Call (215) 957-9300
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Quest Diagnostics Clinical Laboratories Inc

Horsham, Pennsylvania

See all 5 affiliations

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Mary Elizabeth Zakrzewski is a physician assistant in Horsham, Pennsylvania

Mary Elizabeth Zakrzewski practices at Quest Diagnostics Clinical Laboratories Inc in Horsham, Pennsylvania.

Mary Elizabeth Zakrzewski's NPI, 1275409765, was assigned on October 13, 2025. Mary Elizabeth Zakrzewski holds Florida license 9120832.

NPI and contact details
Medicare PAC ID
4183116213
NPI enumeration date
October 13, 2025
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(215) 957-9300
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
27
Medical school graduation
2025

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

Mary Elizabeth Zakrzewski practices at Quest Diagnostics Clinical Laboratories Inc in Horsham, Pennsylvania

Mary Elizabeth Zakrzewski's primary practice is Quest Diagnostics Clinical Laboratories Inc, at 900 Business Center Dr, Horsham, PA 19044 in Montgomery County. The practice phone is (215) 957-9300.

  • Quest Diagnostics Clinical Laboratories Inc
    900 Business Center Dr, Horsham, PA 19044 · Montgomery CountyPhone(215) 957-9300

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Mary Elizabeth Zakrzewski is affiliated with 3 sites of care and 2 medical groups

Mary Elizabeth Zakrzewski's primary practice is Quest Diagnostics Clinical Laboratories Inc in Horsham, Pennsylvania. The medical group on file is MaxHealth. Dmand AI also links Mary Elizabeth Zakrzewski to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Mary Elizabeth Zakrzewski

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Mary Elizabeth Zakrzewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mary Elizabeth Zakrzewski practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Quest Diagnostics Clinical Laboratories IncAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Mary Elizabeth Zakrzewski is one of 6,491 physician assistants in Pennsylvania

Physician assistant is Mary Elizabeth Zakrzewski's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Elizabeth Zakrzewski is licensed in Florida.

Specialties and state licenses

  • Physician assistant, FloridaPrimaryLicense 9120832 · taxonomy 363A00000X

Physician assistants near Mary Elizabeth Zakrzewski

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

Mary Elizabeth Zakrzewski's patients have a median age of 74

Across all payers, Dmand AI patient panel data puts Mary Elizabeth Zakrzewski's median patient age at 74, with 62% women.

Mary Elizabeth Zakrzewski's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women62%
  • Men37%

Source: Dmand AI Patient Panel Data

Mary Elizabeth Zakrzewski offers telehealth to Medicare patients

Mary Elizabeth Zakrzewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mary Elizabeth Zakrzewski as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Mary Elizabeth Zakrzewski'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Mary Elizabeth Zakrzewski

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

What is Mary Elizabeth Zakrzewski's NPI number?

Mary Elizabeth Zakrzewski's NPI number is 1275409765. It was assigned on October 13, 2025, and it is active in the NPI Registry.

What does Mary Elizabeth Zakrzewski specialize in?

Mary Elizabeth Zakrzewski is a physician assistant in Horsham, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Mary Elizabeth Zakrzewski practice?

Mary Elizabeth Zakrzewski practices at 900 Business Center Dr, Horsham, PA 19044. Mary Elizabeth Zakrzewski's primary practice is Quest Diagnostics Clinical Laboratories Inc in Horsham, Pennsylvania. Dmand AI also links Mary Elizabeth Zakrzewski to 2 group practices and clinics and 1 medical group.

What is Mary Elizabeth Zakrzewski's office phone number?

The practice phone on file for Mary Elizabeth Zakrzewski is (215) 957-9300.

What is Mary Elizabeth Zakrzewski's medical license number?

Mary Elizabeth Zakrzewski holds Florida license 9120832.

What medical group is Mary Elizabeth Zakrzewski part of?

Mary Elizabeth Zakrzewski is linked to MaxHealth. Dmand AI links Mary Elizabeth Zakrzewski to 1 more medical group.

Does Mary Elizabeth Zakrzewski accept Medicare?

Yes. CMS lists Mary Elizabeth Zakrzewski as accepting Medicare assignment.

Does Mary Elizabeth Zakrzewski offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Mary Elizabeth Zakrzewski as offering telehealth services.

How long has Mary Elizabeth Zakrzewski been practicing?

Mary Elizabeth Zakrzewski graduated from medical school in 2025, 1 years ago.

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