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Dr. Stephen Michael Testa, MD
NPI1902291438PAC ID2365747706
- Medicare services, 2024
- 4,394
- Medicare patients, 2024
- 363
- Part D claims, 2024
- 503
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 1068 West Baltimore Pike, Media, PA 19063
- Practice phone
- Call (610) 566-9400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Testa'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. Stephen Michael Testa is a gastroenterologist in Media, Pennsylvania
Dr. Testa practices at Riddle Hospital in Media, Pennsylvania, part of Main Line Health System.
Dr. Testa's NPI, 1902291438, was assigned on April 1, 2015. Dr. Testa graduated from Drexel University College of Medicine in 2015. Dr. Testa holds New Jersey license 25MA12340700.
NPI and contact details
- NPI
- 1902291438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365747706
- NPI enumeration date
- April 1, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 566-9400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Michael Testa practices at Riddle Hospital in Media, Pennsylvania
Dr. Testa's primary practice is Riddle Hospital, at 1068 West Baltimore Pike, Media, PA 19063 in Delaware County. The practice phone is (610) 566-9400.
- Riddle Hospital1068 West Baltimore Pike, Media, PA 19063 · Delaware CountyPhone(610) 566-9400
Source: Dmand AI Affiliation Data
Dr. Stephen Michael Testa is affiliated with 4 sites of care and 2 medical groups
Dr. Testa's primary practice is Riddle Hospital in Media, Pennsylvania, part of Main Line Health System. Dr. Testa is also affiliated with Cooper University Hospital. The medical group on file is Regional Gastroenterology Associates of Lancaster (RGAL). Dmand AI also links Dr. Testa to 2 more group practices and clinics and 1 medical group, each named with a free account.
Cooper University HospitalRegional Gastroenterology Associates of Lancaster (RGAL)2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 6 affiliations for Dr. TestaSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Michael Testa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Testa practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riddle Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Michael Testa is one of 899 gastroenterologists in Pennsylvania
Gastroenterology is Dr. Testa's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Testa is licensed in New Jersey.
Specialties and state licenses
- Gastroenterology, New JerseyPrimary
Gastroenterologists near Dr. Testa
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
899gastroenterologists in Pennsylvania12gastroenterologists in Media11gastroenterologists at Riddle Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephen Michael Testa billed Medicare for 4,394 services in 2024
CMS data shows 4,394 Medicare services from Dr. Testa across 12 procedure codes in 2024, for 363 Medicare patients. Medicare paid $113,859 for them.
Medicare services, 20244,394
Medicare patients363
Paid by Medicare$113,859
Procedure codes12
Dr. Testa's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4,8002024: 3,90019%
- Office and hospital visits
- 2023: 5232024: 31939%
- Surgery
- 2023: 2002024: 16219%
- Tests and treatments
- 2023: 172024: 1324%
Where Dr. Testa's Medicare services took place, 2024
- In an office4,08193%
- In a facility3137%
Dr. Testa compared with the Pennsylvania median for gastroenterologists, 2024
- Dr. Testa
- Pennsylvania median
- Medicare services
- 4,394vs 40111.0 times
- Medicare patients
- 363vs 29423% above
- Part D claims
- 384vs 375Close to median
Medians across 899 gastroenterologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Testa'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Testa and other gastroenterologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Michael Testa treated 363 Medicare patients in 2024, average age 73
CMS counts 363 Medicare patients who saw Dr. Testa in 2024. The largest group is 65 to 74, with 158 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Testa's median patient age at 56, with 53% women.
Medicare patients, 2024363
Average age73
Average risk score1.75
Also on Medicaid17%
Dr. Testa's Medicare patients by age, 2024
Dr. Testa's Medicare patients by sex, 2024
- Women20657%
- Men15743%
Chronic conditions among Dr. Testa's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease40%
- Anxiety38%
- Mood disorders38%
- Depression34%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Testa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Michael Testa wrote 503 Medicare Part D claims in 2024
In 2024, Dr. Testa wrote 503 Medicare Part D claims for 149 patients. 85% of them were for generic drugs. CMS names the drug for 384 of them, across 10 drugs with 11 or more claims each, at $22,915 in total drug cost. In 2023, CMS named 446 claims across 9 drugs.
Part D claims, 2024503
Drugs named by CMS10
Total drug cost$22,915
Part D patients149
Dr. Testa's Part D claims by kind of drug, 2024
- Generic428 claims85%
- Brand-name75 claims15%
Dr. Testa'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 Dr. Testa's Part D claims, 2024
- Antibiotics4%21 of 503 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4462024: 38414%
Drugs named by CMS: 10 in 2024, 9 in 2023.
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
Dr. Stephen Michael Testa ranks in the 73rd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Testa accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 86 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Testa, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Testa ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 73rd percentile86 procedures
- Colonoscopy
- 67th percentile59 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen Michael Testa has 2 publications on record
Dmand AI links 2 papers to Dr. Testa, published from 2011 to 2012. Dr. Testa's most frequent co-authors are David S. Schwartzman, MD, Timothy Chung-Tin Wong, MD and William J. Ceyrolles, MD.
Papers2
Years published2011 to 2012
Dr. Testa's most frequent co-authors
- David S. Schwartzman, MD2 shared papers
- Timothy Chung-Tin Wong, MD2 shared papers
- William J. Ceyrolles, MD1 shared paper
Recent publications by Dr. Testa
See who Dr. Testa researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Testa 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. Stephen Michael Testa received $3,745 in industry payments from 2018 to 2025
CMS Open Payments shows 177 general payments to Dr. Testa from 21 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $779.
General payments to Dr. Testa by program year, 2018 to 2025
General payments to Dr. Testa by kind, 2018 to 2025
$3.7Kin total
- Food and beverage$3,71099%
- Education$361%
Companies that paid Dr. Testa the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Michael Testa graduated from Drexel University College of Medicine
Dr. Testa graduated from Drexel University College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Michael Testa'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 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)Doctors and Clinicians Utilization Data (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 |
| 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. Stephen Michael Testa
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. Stephen Michael Testa's NPI number?
Dr. Stephen Michael Testa's NPI number is 1902291438. It was assigned on April 1, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Michael Testa?
Dr. Stephen Michael Testa is a gastroenterologist in Media, Pennsylvania. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Stephen Michael Testa practice?
Dr. Testa practices at 1068 West Baltimore Pike, Media, PA 19063. Dr. Testa's primary practice is Riddle Hospital in Media, Pennsylvania, part of Main Line Health System. Dmand AI also links Dr. Testa to 2 group practices and clinics and 1 medical group.
What is Dr. Stephen Michael Testa's office phone number?
The practice phone on file for Dr. Testa is (610) 566-9400.
What is Dr. Stephen Michael Testa's medical license number?
Dr. Testa holds New Jersey license 25MA12340700.
Which hospitals is Dr. Stephen Michael Testa affiliated with?
Dr. Testa practices at Riddle Hospital in Media, Pennsylvania. Dr. Testa is also affiliated with Cooper University Hospital.
What medical group is Dr. Stephen Michael Testa part of?
Dr. Testa is linked to Regional Gastroenterology Associates of Lancaster (RGAL). Dmand AI links Dr. Testa to 1 more medical group.
Does Dr. Stephen Michael Testa accept Medicare?
Yes. CMS data shows Dr. Testa billed Medicare for 4,394 services in 2024, and Dr. Testa accepts Medicare assignment.
How many Medicare patients does Dr. Stephen Michael Testa see?
CMS counts 363 Medicare patients who saw Dr. Testa in 2024, with an average age of 73.
What services does Dr. Stephen Michael Testa bill to Medicare?
In 2024, Dr. Testa's most billed Medicare services were injected or infused drug (J3380), office visit, established patient (99213) and office visit, established patient (99214).
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Where did Dr. Stephen Michael Testa go to medical school?
Dr. Testa graduated from Drexel University College of Medicine in 2015.
What drugs does Dr. Stephen Michael Testa prescribe most?
In 2024 Medicare Part D data, Dr. Testa's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Famotidine.
Has Dr. Stephen Michael Testa received payments from drug or device companies?
CMS Open Payments shows $3,745 in general payments to Dr. Testa from 21 companies from 2018 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Stephen Michael Testa been practicing?
Dr. Testa graduated from medical school in 2015, 11 years ago.
Does Dr. Stephen Michael Testa do research?
Dmand AI links 2 publications to Dr. Testa, published from 2011 to 2012.
Who does Dr. Stephen Michael Testa publish with?
Dr. Testa's most frequent co-authors are David S. Schwartzman, MD (2 shared papers), Timothy Chung-Tin Wong, MD (2 shared papers) and William J. Ceyrolles, MD (1 shared paper).
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