Mary Ellen Prinzing, PA
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 230
- MIPS score, 2024
- 99
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 300 1st Capitol Dr, Saint Charles, MO 63301
- Practice phone
- Call (636) 947-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Prinzing's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mary Ellen Prinzing is a physician assistant in Saint Charles, Missouri
Mary Prinzing practices at SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri, part of SSM Health Care.
Mary Prinzing's NPI, 1306958046, was assigned on August 31, 2006. Mary Prinzing holds New York license 010916.
- NPI
- 1306958046NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416962931
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 947-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Ellen Prinzing practices at SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri
Mary Prinzing's primary practice is SSM Health St. Joseph Hospital - St. Charles, at 300 1st Capitol Dr, Saint Charles, MO 63301 in St. Charles County. The practice phone is (636) 947-5000.
- SSM Health St. Joseph Hospital - St. Charles300 1st Capitol Dr, Saint Charles, MO 63301 · St. Charles CountyPhone(636) 947-5000
Source: Dmand AI Affiliation Data
Mary Ellen Prinzing is affiliated with 2 sites of care and 1 medical group
Mary Prinzing's primary practice is SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri, part of SSM Health Care. Mary Prinzing is also affiliated with Strong Memorial Hospital. The medical group on file is University of Rochester Medicine.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Ellen Prinzing's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Prinzing practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Joseph Hospital - St. Charles | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Ellen Prinzing is one of 1,484 physician assistants in Missouri
Physician assistant is Mary Prinzing's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Prinzing is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Mary Prinzing is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Mary Prinzing
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 Ellen Prinzing treated 12 Medicare patients in 2024, average age 69
CMS counts 12 Medicare patients who saw Mary Prinzing in 2024. 75% of them have depression, and 75% have mood disorders. Their average risk score is 5.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Prinzing's median patient age at 73, with 55% women.
Chronic conditions among Mary Prinzing's Medicare patients, 2024
- Depression75%
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Mary Prinzing's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Ellen Prinzing wrote 230 Medicare Part D claims in 2024
In 2024, Mary Prinzing wrote 230 Medicare Part D claims for 82 patients. 80% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $140 in total drug cost.
Mary Prinzing's Part D claims by kind of drug, 2024
- Generic184 claims80%
- Brand-name and other46 claims20%
Mary Prinzing'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 Mary Prinzing's Part D claims, 2024
- Antibiotics12%28 of 230 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Mary Ellen Prinzing scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Mary Prinzing for performance year 2024, reported as part of a group. Mary Prinzing accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mary Prinzing's MIPS scores, performance year 2024
- 99of 100Final score
- 66.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 97of 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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Mary Ellen Prinzing is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Mary Ellen Prinzing's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mary Ellen Prinzing
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 Ellen Prinzing's NPI number?
Mary Ellen Prinzing's NPI number is 1306958046. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What does Mary Ellen Prinzing specialize in?
Mary Ellen Prinzing is a physician assistant in Saint Charles, Missouri. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mary Ellen Prinzing practice?
Mary Prinzing practices at 300 1st Capitol Dr, Saint Charles, MO 63301. Mary Prinzing's primary practice is SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri, part of SSM Health Care.
What is Mary Ellen Prinzing's office phone number?
The practice phone on file for Mary Prinzing is (636) 947-5000.
What is Mary Ellen Prinzing's medical license number?
Mary Prinzing holds New York license 010916.
Which hospitals is Mary Ellen Prinzing affiliated with?
Mary Prinzing practices at SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri. Mary Prinzing is also affiliated with Strong Memorial Hospital.
What medical group is Mary Ellen Prinzing part of?
Mary Prinzing is linked to University of Rochester Medicine.
Does Mary Ellen Prinzing accept Medicare?
Yes. CMS lists Mary Prinzing as accepting Medicare assignment.
What is Mary Ellen Prinzing's MIPS score?
Mary Prinzing's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Mary Ellen Prinzing see?
CMS counts 12 Medicare patients who saw Mary Prinzing in 2024, with an average age of 69.
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Is Mary Ellen Prinzing board certified?
Yes. Mary Prinzing is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Mary Ellen Prinzing prescribe most?
In 2024 Medicare Part D data, Mary Prinzing's most prescribed drugs by claims were Pantoprazole Sodium.
How long has Mary Ellen Prinzing been practicing?
Mary Prinzing graduated from medical school in 2005, 21 years ago.
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