Charles Mack Grubb, P.A.
Physician Assistant · Irving, TX
Charles Mack Grubb, P.A. is a physician assistant with a practice address in Irving, Texas, and NPI 1366484354, issued on Jun 12, 2006. Check the license (Texas PA03541, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles Mack Grubb
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA03541 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6750 N Macarthur Blvd Ste 350, Irving, TX 75039
- Phone
- (972) 556-1616
- Enumerated
- Jun 12, 2006
- Record last updated
- May 22, 2024
- Fax
- (972) 556-1740
- Medicare enrollment
- Enrolled (PECOS I20100528000374); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 6750 N Macarthur Blvd Ste 350
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles Mack Grubb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA03541Check 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 physician assistant in 2024
621 Medicare Part D claims for 134 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium53 claims
- Losartan Potassium27 claims
- Rosuvastatin Calcium24 claims
- Amlodipine Besylate23 claims
- Levothyroxine Sodium20 claims
- Lisinopril18 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 2 group practices
- Medical Clinic OF North Texas, PLLCIrving, TX
- Wellmed Medical Group PADallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Mack Grubb among 10,999 physician assistant records in Texas
Charles Mack Grubb, P.A. is one of 10,999 physician assistant records with a practice address in Texas. 74% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 86% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2002 · median 2017 among the 6,096 with a school on file
- Record last updated2024 · 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 physician assistant records list a practice address in Irving
They are 82 of the 3,532 NPPES records with a practice address in Irving, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Irving → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jenna Alvarez, PAIrving, TX 750391588132039
- Courtney Buzbee, PA-CIrving, TX 750391124236856
- Ashley Cupstid, PA-CIrving, TX 750391760109896
- Juan Galindo, PA-CIrving, TX 750391174661599
- Mallory Greeff, PA-CIrving, TX 750391871301218
- Michael Hall, PA-CIrving, TX 750391346688439
- Aaron Linden, PA-CIrving, TX 750391083298228
- Mira Patel, PA-CIrving, TX 750391083128995
Common questions
What is Charles Mack Grubb, P.A.'s NPI number?
Charles Mack Grubb, P.A.'s National Provider Identifier (NPI) is 1366484354, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Mack Grubb, P.A. located?
The NPPES record lists a practice address at 6750 N Macarthur Blvd Ste 350, Irving, TX, 75039. Phone: (972) 556-1616. Providers update this record themselves, so call before visiting.
How can I verify Charles Mack Grubb, P.A.'s license?
NPPES lists Texas license number PA03541, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Charles Mack Grubb, P.A. prescribe under Medicare Part D?
In 2024, Charles Mack Grubb, P.A. had 621 Medicare Part D claims for 134 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.