David Kevin Twitchell, MD
Hepatology Physician · Phoenix, AZ
David Kevin Twitchell, MD is a hepatology physician with a practice address in Phoenix, Arizona, and NPI 1679215719, issued on Apr 9, 2022. Check the license (Arizona 77448, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Kevin Twitchell
- Credential
- MD
- Primary taxonomy
- Hepatology Physician 207RI0008X
- License number
- 77448 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1441 N. 12TH St., Phoenix, AZ 85006
- Phone
- (602) 521-5800
- Enumerated
- Apr 9, 2022
- Record last updated
- Sep 3, 2025
- Fax
- (602) 521-5334
- Medicare enrollment
- Enrolled (PECOS I20250718003626); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2022
- Entity
- Type 1 · individual
7 nearest hepatology physician records → All 8 in Arizona → Look up another NPI →
Verify David Kevin Twitchell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 77448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average hepatology physician in 2024
347 Medicare Part D claims for 76 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin17 claims
- Atorvastatin Calcium15 claims
- Nifedipine Er12 claims
- Escitalopram Oxalate11 claims
- Metformin Hcl Er11 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.
Bills Medicare through one group practice
- Banner - University Super Specialists LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hepatology Physician providers in Arizona
There are 8 hepatology physician records in Arizona.
All 8 in Arizona → Every provider in Phoenix → Hepatology Physician nationwide →
The 7 hepatology physician records with the nearest ZIP codes
- Geetha Kolli, M.DPhoenix, AZ 850061295928109
- Ester Little, MDPhoenix, AZ 850061639126980
- Alberto Ramos, M.D.Phoenix, AZ 850061487788998
- Vijayan Balan, M.D.Scottsdale, AZ 852591144204116
- Keith Lindor, M.D.Scottsdale, AZ 852591194704668
- Richard Manch, M.D.Glendale, AZ 853061043289341
- Jinendra Satiya, M.D.Yuma, AZ 853641639531056
Common questions
What is David Kevin Twitchell, MD's NPI number?
David Kevin Twitchell, MD's National Provider Identifier (NPI) is 1679215719, issued on Apr 9, 2022. An NPI identifies a provider in billing; it is not a license.
Where is David Kevin Twitchell, MD located?
The NPPES record lists a practice address at 1441 N. 12TH St., Phoenix, AZ, 85006. Phone: (602) 521-5800. Providers update this record themselves, so call before visiting.
How can I verify David Kevin Twitchell, MD's license?
NPPES lists Arizona license number 77448, 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 Kevin Twitchell, MD prescribe under Medicare Part D?
In 2024, David Kevin Twitchell, MD had 347 Medicare Part D claims for 76 beneficiaries; the average among hepatology physician prescribers was 762. 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.