David Maxwell Hunter Chascsa, MD
Gastroenterology Physician · Scottsdale, AZ
David Maxwell Hunter Chascsa, MD is a gastroenterology physician with a practice address in Scottsdale, Arizona, and NPI 1508181256, issued on Apr 6, 2010. Check the license (Arizona 51694, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Maxwell Hunter Chascsa
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 51694 AZ
70993 MN
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- Apr 6, 2010
- Record last updated
- Aug 19, 2022
- Medicare enrollment
- Enrolled (PECOS I20170712003035); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Maxwell Hunter Chascsa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 51694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average gastroenterology physician in 2024
608 Medicare Part D claims for 209 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Fluconazole77 claims
- Tacrolimus69 claims
- Pantoprazole Sodium51 claims
- Ursodiol37 claims
- Carvedilol23 claims
- Furosemide21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $102.09
2 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Maxwell Hunter Chascsa among 403 gastroenterology physician records in Arizona
David Maxwell Hunter Chascsa, MD is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 74% of them.
- NPI issued2010 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2010 · median 2001 among the 295 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Scottsdale → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- George Burdick, M.D.Scottsdale, AZ 852591356324644
- Elizabeth Carey, M.D.Scottsdale, AZ 852591033194501
- John Dibaise, M.D.Scottsdale, AZ 852591043293434
- Rolland Dickson, M.D.Scottsdale, AZ 852591285623157
- David Douglas, M.D.Scottsdale, AZ 852591760467898
- David Fleischer, M.D.Scottsdale, AZ 852591609850734
- Suryakanth Gurudu, M.D.Scottsdale, AZ 852591699757435
- Lucinda Harris, M.D.Scottsdale, AZ 852591891778643
Common questions
What is David Maxwell Hunter Chascsa, MD's NPI number?
David Maxwell Hunter Chascsa, MD's National Provider Identifier (NPI) is 1508181256, issued on Apr 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David Maxwell Hunter Chascsa, MD located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify David Maxwell Hunter Chascsa, MD's license?
NPPES lists Arizona license number 51694, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Maxwell Hunter Chascsa, MD prescribe under Medicare Part D?
In 2024, David Maxwell Hunter Chascsa, MD had 608 Medicare Part D claims for 209 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.