Tyson John McMullen, PA-C
Physician Assistant · Walnut Creek, CA
Tyson John McMullen, PA-C is a physician assistant with a practice address in Walnut Creek, California, and NPI 1154006757, issued on Jun 20, 2023. Check the license (California PA63707, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tyson John McMullen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA63707 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1360 Walden RD, Walnut Creek, CA 94597
- Phone
- (925) 324-1116
- Enumerated
- Jun 20, 2023
- Record last updated
- Jul 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20250812003830); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Tyson John McMullen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA63707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average physician assistant in 2024
353 Medicare Part D claims for 145 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium27 claims
- Amlodipine Besylate15 claims
- Metformin Hcl Er15 claims
- Metformin Hcl14 claims
- Levothyroxine Sodium13 claims
- Albuterol Sulfate Hfa12 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: $69.37
3 payments; by number, the most common kind was food and beverage; the largest payer was Kyowa Kirin, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Tyson John McMullen among 14,451 physician assistant records in California
Tyson John McMullen, PA-C is one of 14,451 physician assistant records with a practice address in California. 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 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2023 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 physician assistant records list a practice address in Walnut Creek
They are 89 of the 6,170 NPPES records with a practice address in Walnut Creek, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Walnut Creek → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Roger Castillo, PA-CWalnut Creek, CA 945971134235773
- Debbie Chan, MPAWalnut Creek, CA 945971891084117
- Jessica CouchWalnut Creek, CA 945971730559642
- Sarah Ekberg, PA-CWalnut Creek, CA 945971346539616
- Olivia HatcherWalnut Creek, CA 945971407709926
- Rita Keileh, PHYSICIAN ASSISTANTWalnut Creek, CA 945971649505041
- Clayton Laderer, PA-CWalnut Creek, CA 945971740664184
- Lauren Montgomery, PA-CWalnut Creek, CA 945971194615252
Common questions
What is Tyson John McMullen, PA-C's NPI number?
Tyson John McMullen, PA-C's National Provider Identifier (NPI) is 1154006757, issued on Jun 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Tyson John McMullen, PA-C located?
The NPPES record lists a practice address at 1360 Walden RD, Walnut Creek, CA, 94597. Phone: (925) 324-1116. Providers update this record themselves, so call before visiting.
How can I verify Tyson John McMullen, PA-C's license?
NPPES lists California license number PA63707, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tyson John McMullen, PA-C prescribe under Medicare Part D?
In 2024, Tyson John McMullen, PA-C had 353 Medicare Part D claims for 145 beneficiaries; the average among physician assistant prescribers was 830. 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.