Dr. Constance Agnes Pietrzak, MD
- Medicare services, 2022
- 163
- Part D claims, 2023
- 15
- Publications
- 3
- Industry payments
- $34
- Affiliated sites
- 1
- Practice address
- 1601 SW Archer Rd, Gainesville, FL 32608
- Practice phone
- Call (866) 793-4591
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gainesville VAMC
Gainesville, Florida
Find Dr. Pietrzak'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.
Dr. Constance Agnes Pietrzak is a gastroenterologist in Gainesville, Florida
Dr. Pietrzak practices at Gainesville VAMC in Gainesville, Florida.
Dr. Pietrzak's NPI, 1174788343, was assigned on July 27, 2008. Dr. Pietrzak graduated from Loyola University Chicago Stritch School of Medicine in 2007. Dr. Pietrzak holds Illinois license 036126021.
- NPI
- 1174788343NPI Registry (opens in a new tab)
- NPI enumeration date
- July 27, 2008
- NPI status
- Active
- Practice phone
- (866) 793-4591
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Constance Agnes Pietrzak practices at Gainesville VAMC in Gainesville, Florida
Dr. Pietrzak's primary practice is Gainesville VAMC, at 1601 SW Archer Rd, Gainesville, FL 32608 in Alachua County. The practice phone is (866) 793-4591.
- Gainesville VAMC1601 SW Archer Rd, Gainesville, FL 32608 · Alachua CountyPhone(866) 793-4591
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Constance Agnes Pietrzak is affiliated with 2 sites of care and 1 medical group
Dr. Pietrzak's primary practice is Gainesville VAMC in Gainesville, Florida. Dmand AI also links Dr. Pietrzak to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Constance Agnes Pietrzak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pietrzak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gainesville VAMC | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Constance Agnes Pietrzak is one of 1,364 gastroenterologists in Florida
Gastroenterology is Dr. Pietrzak's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Pietrzak is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Pietrzak is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Pietrzak
Counts of gastroenterologists 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
Dr. Constance Agnes Pietrzak billed Medicare for 163 services in 2022
CMS data shows 163 Medicare services from Dr. Pietrzak across 7 procedure codes in 2022. Medicare paid $17,023 for them.
Dr. Pietrzak's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 702022: 10043%
- Surgery
- 2021: 1362022: 6354%
Where Dr. Pietrzak's Medicare services took place, 2022
- In an office4930%
- In a facility11470%
Dr. Pietrzak compared with the Florida median for gastroenterologists, 2022
- Dr. Pietrzak
- Florida median
- Medicare services
- 163vs 58272% below
- Part D claims
- 15vs 50297% below
Medians across 1,320 gastroenterologists in Florida with Dmand AI profiles that report each measure.
Dr. Pietrzak's most billed Medicare procedure codes, 2022
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 Dr. Pietrzak?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pietrzak and other gastroenterologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Constance Agnes Pietrzak's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Pietrzak's median patient age at 53, with 38% women.
Dr. Pietrzak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
Dr. Constance Agnes Pietrzak wrote 15 Medicare Part D claims in 2023
In 2023, Dr. Pietrzak wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $110 in total drug cost. In 2022, CMS named 428 claims across 11 drugs.
Dr. Pietrzak's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4282023: 1596%
Drugs named by CMS: 1 in 2023, 11 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Constance Agnes Pietrzak has 3 publications on record
Dmand AI links 3 papers to Dr. Pietrzak, published from 2013 to 2015. Dr. Pietrzak's most frequent co-authors are Gerard J. Abood, MD, Anoop Appannagari, MD and Prateek Sharma, MD.
Dr. Pietrzak's most frequent co-authors
- Gerard J. Abood, MD1 shared paper
- Anoop Appannagari, MD1 shared paper
- Prateek Sharma, MD1 shared paper
Recent publications by Dr. Pietrzak
Endoscopy
Brain Res Dev Brain Res
See who Dr. Pietrzak researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pietrzak works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Constance Agnes Pietrzak received $34 in industry payments in 2018
CMS Open Payments shows 2 general payments to Dr. Pietrzak from 2 drug and device companies in 2018. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $21.
Companies that paid Dr. Pietrzak the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Constance Agnes Pietrzak graduated from Loyola University Chicago Stritch School of Medicine
Dr. Pietrzak graduated from Loyola University Chicago Stritch School of Medicine in 2007. Dr. Pietrzak is a member of ASGE.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Constance Agnes Pietrzak accepts plans from 6 insurance carriers
Dr. Pietrzak is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Cigna and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
Plan types Dr. Pietrzak accepts, by number of carriers
- Medicare6
- HMO4
- PPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Constance Agnes Pietrzak'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Constance Agnes Pietrzak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Constance Agnes Pietrzak's NPI number?
Dr. Constance Agnes Pietrzak's NPI number is 1174788343. It was assigned on July 27, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Constance Agnes Pietrzak?
Dr. Constance Agnes Pietrzak is a gastroenterologist in Gainesville, Florida. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Constance Agnes Pietrzak practice?
Dr. Pietrzak practices at 1601 SW Archer Rd, Gainesville, FL 32608. Dr. Pietrzak's primary practice is Gainesville VAMC in Gainesville, Florida. Dmand AI also links Dr. Pietrzak to 1 group practice or clinic and 1 medical group.
What is Dr. Constance Agnes Pietrzak's office phone number?
The practice phone on file for Dr. Pietrzak is (866) 793-4591.
What is Dr. Constance Agnes Pietrzak's medical license number?
Dr. Pietrzak holds Illinois license 036126021.
Does Dr. Constance Agnes Pietrzak accept Medicare?
Yes. CMS data shows Dr. Pietrzak billed Medicare for 163 services in 2022.
Is Dr. Constance Agnes Pietrzak board certified?
Yes. Dr. Pietrzak is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Constance Agnes Pietrzak bill to Medicare?
In 2022, Dr. Pietrzak's most billed Medicare services were surgery: digestive system (45380), office visit, established patient (99213) and hospital inpatient care (99232).
Where did Dr. Constance Agnes Pietrzak go to medical school?
Dr. Pietrzak graduated from Loyola University Chicago Stritch School of Medicine in 2007.
What drugs does Dr. Constance Agnes Pietrzak prescribe most?
In 2023 Medicare Part D data, Dr. Pietrzak's most prescribed drugs by claims were Pantoprazole Sodium.
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Has Dr. Constance Agnes Pietrzak received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Pietrzak from 2 companies from 2018 to 2018. The largest total came from Boston Scientific Corporation.
How long has Dr. Constance Agnes Pietrzak been practicing?
Dr. Pietrzak graduated from medical school in 2007, 19 years ago.
Does Dr. Constance Agnes Pietrzak do research?
Dmand AI links 3 publications to Dr. Pietrzak, published from 2013 to 2015.
Who does Dr. Constance Agnes Pietrzak publish with?
Dr. Pietrzak's most frequent co-authors are Gerard J. Abood, MD (1 shared paper), Anoop Appannagari, MD (1 shared paper) and Prateek Sharma, MD (1 shared paper).
What insurance does Dr. Constance Agnes Pietrzak accept?
Dr. Pietrzak is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Cigna and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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