Timothy Mark Byker, PA-C
Medical Physician Assistant · Gilbert, AZ
Timothy Mark Byker, PA-C is a medical physician assistant with a practice address in Gilbert, Arizona, and NPI 1982616249, issued on Aug 13, 2006. Check the license (Arizona 6403, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy Mark Byker
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- 6403 AZ
003169 MI
5601003169 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2940 E Banner Gateway Drive, Gilbert, AZ 85234
- Phone
- (480) 256-6444
- Enumerated
- Aug 13, 2006
- Record last updated
- Aug 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (480) 256-3682
- Medicare enrollment
- Enrolled (PECOS I20170627001915); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 996 in Arizona → Look up another NPI →
Also registered at 2940 E Banner Gateway Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy Mark Byker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 6403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average medical physician assistant in 2024
75 Medicare Part D claims for 30 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Oxycodone Hcl18 claims
- Ondansetron Hcl14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Banner Cancer Center Specialists LLCPayson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Mark Byker among 996 medical physician assistant records in Arizona
Timothy Mark Byker, PA-C is one of 996 medical physician assistant records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 72% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1999 · median 2012 among the 541 with a school on file
- Record last updated2019 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 medical physician assistant records list a practice address in Gilbert
They are 57 of the 5,802 NPPES records with a practice address in Gilbert, and 996 medical physician assistant records in Arizona.
All 996 in Arizona → Every provider in Gilbert → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Karie Fedorick, PA-CGilbert, AZ 852341689735482
- William Gause, P.A.-CGilbert, AZ 852341407955065
- John Gedell, PA-CGilbert, AZ 852341073805511
- Katie Jacobs, PAGilbert, AZ 852341508190760
- Julie Kramer, PA-CGilbert, AZ 852341932491545
- Stacy Libricz, PA-CGilbert, AZ 852341740330901
- Kevin Main, PA-CGilbert, AZ 852341194126425
- Jennifer Maldonado, PA-CGilbert, AZ 852341548226566
Common questions
What is Timothy Mark Byker, PA-C's NPI number?
Timothy Mark Byker, PA-C's National Provider Identifier (NPI) is 1982616249, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Mark Byker, PA-C located?
The NPPES record lists a practice address at 2940 E Banner Gateway Drive, Gilbert, AZ, 85234. Phone: (480) 256-6444. Providers update this record themselves, so call before visiting.
How can I verify Timothy Mark Byker, PA-C's license?
NPPES lists Arizona license number 6403, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Timothy Mark Byker, PA-C prescribe under Medicare Part D?
In 2024, Timothy Mark Byker, PA-C had 75 Medicare Part D claims for 30 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Timothy Mark Byker, PA-C's MIPS final score?
The 2023 MIPS final score is 81.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.