Dr. David A. Tessler, DO
- Medicare services, 2024
- 959
- Medicare patients, 2024
- 474
- Part D claims, 2024
- 1,621
- Hospital affiliations
- 1
- Industry payments
- $253,120
- Practice address
- 8761 East Bell Road, Suite 101, Scottsdale, AZ 85260
- Practice phone
- Call (480) 419-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Arizona Digestive Center
Surgery Center - Medicare-Certified · Scottsdale, Arizona
Find Dr. Tessler's professional email, personal email and mobile number
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Dr. David A. Tessler is a gastroenterologist in Scottsdale, Arizona
Dr. Tessler practices at Arizona Digestive Center in Scottsdale, Arizona.
Dr. Tessler's NPI, 1659359883, was assigned on January 6, 2006. Dr. Tessler graduated from Midwestern University, Chicago College of Osteopathic Med in 1998. Dr. Tessler holds Arizona license 4213.
- NPI
- 1659359883NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688617756
- NPI enumeration date
- January 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 419-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David A. Tessler practices at Arizona Digestive Center in Scottsdale, Arizona
Dr. Tessler's primary practice is Arizona Digestive Center, at 8761 East Bell Road, Suite 101, Scottsdale, AZ 85260. The practice phone is (480) 419-7500.
- Arizona Digestive Center8761 East Bell Road, Suite 101, Scottsdale, AZ 85260Phone(480) 419-7500
Source: Dmand AI Affiliation Data
Dr. David A. Tessler is affiliated with 4 sites of care and 2 medical groups
Dr. Tessler's primary practice is Arizona Digestive Center in Scottsdale, Arizona. Dr. Tessler is also affiliated with Banner Gateway Medical Center. The medical group on file is Arizona Gastrointestinal Associates. Dmand AI also links Dr. Tessler to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David A. Tessler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tessler practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arizona Digestive Center | 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. David A. Tessler is one of 380 gastroenterologists in Arizona
Gastroenterology is Dr. Tessler's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Tessler is licensed in Arizona.
Specialties and state licenses
- Gastroenterology, ArizonaPrimary
Gastroenterologists near Dr. Tessler
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. David A. Tessler billed Medicare for 959 services in 2024
CMS data shows 959 Medicare services from Dr. Tessler across 12 procedure codes in 2024, for 474 Medicare patients. Medicare paid $104,508 for them.
Dr. Tessler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6302024: 6083%
- Surgery
- 2023: 2912024: 2881%
- Other services
- 2023: 02024: 63
- Tests and treatments
- 2023: 162024: 0100%
Where Dr. Tessler's Medicare services took place, 2024
- In an office45648%
- In a facility50352%
Dr. Tessler compared with the Arizona median for gastroenterologists, 2024
- Dr. Tessler
- Arizona median
- Medicare services
- 959vs 50889% above
- Medicare patients
- 474vs 31949% above
- Part D claims
- 1,355vs 3104.4 times
Medians across 369 gastroenterologists in Arizona with Dmand AI profiles that report each measure.
Dr. Tessler'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 Dr. Tessler?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tessler and other gastroenterologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David A. Tessler treated 474 Medicare patients in 2024, average age 74
CMS counts 474 Medicare patients who saw Dr. Tessler in 2024. The largest group is 65 to 74, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tessler's median patient age at 64, with 53% women.
Dr. Tessler's Medicare patients by age, 2024
Dr. Tessler's Medicare patients by sex, 2024
- Women27358%
- Men20142%
Chronic conditions among Dr. Tessler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease38%
- Chronic kidney disease34%
- Diabetes29%
- Mood disorders28%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tessler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David A. Tessler wrote 1,621 Medicare Part D claims in 2024
In 2024, Dr. Tessler wrote 1,621 Medicare Part D claims for 529 patients. 73% of them were for generic drugs. CMS names the drug for 1,355 of them, across 33 drugs with 11 or more claims each, at $558,960 in total drug cost. In 2023, CMS named 1,243 claims across 30 drugs.
Dr. Tessler's Part D claims by kind of drug, 2024
- Generic1,182 claims73%
- Brand-name439 claims27%
Dr. Tessler'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. Tessler's Part D claims, 2024
- Antibiotics3%50 of 1,621 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: 1,2432024: 1,3559%
Drugs named by CMS: 33 in 2024, 30 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. David A. Tessler ranks in the 85th percentile for colonoscopy in Medicare
Dr. Tessler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 126 procedures of colonoscopy by Dr. Tessler, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Tessler ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 83rd percentile136 procedures
- Colonoscopy
- 85th percentile126 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. David A. Tessler received $253,120 in industry payments from 2016 to 2025
CMS Open Payments shows 1,229 general payments to Dr. Tessler from 79 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 71% of the total. Abbvie Inc. paid the most, $196,021.
General payments to Dr. Tessler by program year, 2016 to 2025
General payments to Dr. Tessler by kind, 2016 to 2025
- Speaker and faculty fees$180,60371%
- Food and beverage$31,09512%
- Consulting fees$24,81210%
- Travel and lodging$16,2376%
- Education$3730%
Companies that paid Dr. Tessler the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David A. Tessler graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Tessler graduated from Midwestern University, Chicago College of Osteopathic Med in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David A. Tessler'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) |
| 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. David A. Tessler
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. David A. Tessler's NPI number?
Dr. David A. Tessler's NPI number is 1659359883. It was assigned on January 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Tessler?
Dr. David A. Tessler is a gastroenterologist in Scottsdale, Arizona. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. David A. Tessler practice?
Dr. Tessler practices at 8761 East Bell Road, Suite 101, Scottsdale, AZ 85260. Dr. Tessler's primary practice is Arizona Digestive Center in Scottsdale, Arizona. Dmand AI also links Dr. Tessler to 2 group practices and clinics and 1 medical group.
What is Dr. David A. Tessler's office phone number?
The practice phone on file for Dr. Tessler is (480) 419-7500.
What is Dr. David A. Tessler's medical license number?
Dr. Tessler holds Arizona license 4213.
Which hospitals is Dr. David A. Tessler affiliated with?
Dr. Tessler is affiliated with Banner Gateway Medical Center.
What medical group is Dr. David A. Tessler part of?
Dr. Tessler is linked to Arizona Gastrointestinal Associates. Dmand AI links Dr. Tessler to 1 more medical group.
Does Dr. David A. Tessler accept Medicare?
Yes. CMS data shows Dr. Tessler billed Medicare for 959 services in 2024, and Dr. Tessler accepts Medicare assignment.
How many Medicare patients does Dr. David A. Tessler see?
CMS counts 474 Medicare patients who saw Dr. Tessler in 2024, with an average age of 74.
What services does Dr. David A. Tessler bill to Medicare?
In 2024, Dr. Tessler's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: digestive system (43239).
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Where did Dr. David A. Tessler go to medical school?
Dr. Tessler graduated from Midwestern University, Chicago College of Osteopathic Med in 1998.
What drugs does Dr. David A. Tessler prescribe most?
In 2024 Medicare Part D data, Dr. Tessler's most prescribed drugs by claims were Pantoprazole Sodium, Sod Sulf-Potass Sulf-Mag Sulf and Omeprazole.
Has Dr. David A. Tessler received payments from drug or device companies?
CMS Open Payments shows $253,120 in general payments to Dr. Tessler from 79 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. David A. Tessler been practicing?
Dr. Tessler graduated from medical school in 1998, 28 years ago.
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