Mercedes A. Sundy, PA-C
- Medicare services, 2024
- 114
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 610
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Practice address
- 232 West 25th Street, Erie, PA 16544
- Practice phone
- Call (814) 452-5524
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Saint Vincent Hospital - Unit
Acute Care Hospital-Unit · Erie, Pennsylvania
Find Mercedes Sundy'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.
Mercedes A. Sundy is a physician assistant in Erie, Pennsylvania
Mercedes Sundy practices at Saint Vincent Hospital - Unit in Erie, Pennsylvania.
Mercedes Sundy's NPI, 1891062733, was assigned on November 21, 2011. Mercedes Sundy holds Pennsylvania license MA056820.
- NPI
- 1891062733NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729240585
- NPI enumeration date
- November 21, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (814) 452-5524
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mercedes A. Sundy practices at Saint Vincent Hospital - Unit in Erie, Pennsylvania
Mercedes Sundy's primary practice is Saint Vincent Hospital - Unit, at 232 West 25th Street, Erie, PA 16544 in Erie County. The practice phone is (814) 452-5524.
- Saint Vincent Hospital - Unit232 West 25th Street, Erie, PA 16544 · Erie CountyPhone(814) 452-5524
Source: Dmand AI Affiliation Data
Mercedes A. Sundy is affiliated with 6 sites of care and 2 medical groups
Mercedes Sundy's primary practice is Saint Vincent Hospital - Unit in Erie, Pennsylvania. Mercedes Sundy is also affiliated with Saint Vincent Hospital. The medical group on file is UPMC Hamot. Dmand AI also links Mercedes Sundy to 1 more hospital, 2 group practices and clinics, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mercedes A. Sundy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mercedes Sundy practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Vincent Hospital - Unit | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mercedes A. Sundy is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Mercedes Sundy's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mercedes Sundy is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Mercedes Sundy is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near Mercedes Sundy
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
Mercedes A. Sundy billed Medicare for 114 services in 2024
CMS data shows 114 Medicare services from Mercedes Sundy across 1 procedure code in 2024, all of them office visits, for 107 Medicare patients. Medicare paid $7,074 for them.
Where Mercedes Sundy's Medicare services took place, 2024
- In an office3732%
- In a facility7768%
Mercedes Sundy compared with the Pennsylvania median for physician assistants, 2024
- Mercedes Sundy
- Pennsylvania median
- Medicare services
- 114vs 19441% below
- Medicare patients
- 107vs 1016% above
- Part D claims
- 499vs 27780% above
Medians across 4,295 physician assistants in Pennsylvania with Dmand AI profiles that report each measure.
Mercedes Sundy'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.
Need commercial claims for Mercedes Sundy?
Medicare shows one payer. Book a meeting to get commercial claims data for Mercedes Sundy and other physician assistants in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mercedes A. Sundy treated 107 Medicare patients in 2024, average age 78
CMS counts 107 Medicare patients who saw Mercedes Sundy in 2024. The largest group is 75 to 84, with 39 patients. 75% of them have heart failure, and 75% have high blood pressure. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mercedes Sundy's median patient age at 79, with 36% women.
Mercedes Sundy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mercedes Sundy's Medicare patients by sex, 2024
- Women4643%
- Men6157%
Chronic conditions among Mercedes Sundy's Medicare patients, 2024
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation68%
- Ischemic heart disease68%
- Chronic kidney disease58%
- Arthritis50%
- Diabetes50%
Share of Medicare patients with each condition. A patient can have several.
Mercedes Sundy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mercedes A. Sundy wrote 610 Medicare Part D claims in 2024
In 2024, Mercedes Sundy wrote 610 Medicare Part D claims for 150 patients. 73% of them were for generic drugs. CMS names the drug for 499 of them, across 17 drugs with 11 or more claims each, at $113,676 in total drug cost.
Mercedes Sundy's Part D claims by kind of drug, 2024
- Generic443 claims73%
- Brand-name167 claims27%
Mercedes Sundy'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.
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
Mercedes A. Sundy scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Mercedes Sundy for performance year 2024, reported through an alternative payment model (APM). Mercedes Sundy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mercedes Sundy's MIPS scores, performance year 2024
- 94of 100Final score
- 85of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Mercedes A. Sundy received $2,553 in industry payments from 2024 to 2025
CMS Open Payments shows 61 general payments to Mercedes Sundy from 17 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $583.
General payments to Mercedes Sundy by program year, 2024 to 2025
Companies that paid Mercedes Sundy the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mercedes A. Sundy is board certified in certified physician assistant
Mercedes Sundy is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Mercedes A. Sundy'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Industry payments | Open Payments (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 Mercedes A. Sundy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mercedes A. Sundy's NPI number?
Mercedes A. Sundy's NPI number is 1891062733. It was assigned on November 21, 2011, and it is active in the NPI Registry.
What does Mercedes A. Sundy specialize in?
Mercedes A. Sundy is a physician assistant in Erie, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mercedes A. Sundy practice?
Mercedes Sundy practices at 232 West 25th Street, Erie, PA 16544. Mercedes Sundy's primary practice is Saint Vincent Hospital - Unit in Erie, Pennsylvania. Dmand AI also links Mercedes Sundy to 1 hospital, 2 group practices and clinics, 1 ambulatory surgery center and 1 medical group.
What is Mercedes A. Sundy's office phone number?
The practice phone on file for Mercedes Sundy is (814) 452-5524.
What is Mercedes A. Sundy's medical license number?
Mercedes Sundy holds Pennsylvania license MA056820.
Which hospitals is Mercedes A. Sundy affiliated with?
Mercedes Sundy is affiliated with Saint Vincent Hospital. Dmand AI links Mercedes Sundy to 2 more hospitals.
What medical group is Mercedes A. Sundy part of?
Mercedes Sundy is linked to UPMC Hamot. Dmand AI links Mercedes Sundy to 1 more medical group.
Does Mercedes A. Sundy accept Medicare?
Yes. CMS data shows Mercedes Sundy billed Medicare for 114 services in 2024, and Mercedes Sundy accepts Medicare assignment.
What is Mercedes A. Sundy's MIPS score?
Mercedes Sundy's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Mercedes A. Sundy see?
CMS counts 107 Medicare patients who saw Mercedes Sundy in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
Is Mercedes A. Sundy board certified?
Yes. Mercedes Sundy is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Mercedes A. Sundy bill to Medicare?
In 2024, Mercedes Sundy's most billed Medicare services were office visit, established patient (99214).
What drugs does Mercedes A. Sundy prescribe most?
In 2024 Medicare Part D data, Mercedes Sundy's most prescribed drugs by claims were Metoprolol Succinate, Entresto and Eliquis.
Has Mercedes A. Sundy received payments from drug or device companies?
CMS Open Payments shows $2,553 in general payments to Mercedes Sundy from 17 companies from 2024 to 2025. The largest total came from Inari Medical, Inc.
How long has Mercedes A. Sundy been practicing?
Mercedes Sundy graduated from medical school in 2010, 16 years ago.
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