Gregg L. Mercier, PAC
Physician Assistant · Marble Falls, TX
Gregg L. Mercier, PAC is a physician assistant with a practice address in Marble Falls, Texas, and NPI 1497737076, issued on Nov 18, 2005. Check the license (Texas PA03990, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregg L. Mercier
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA03990 TX
Self-reported in NPPES; status is on the state search - Practice location
- 800 W Highway 71, Marble Falls, TX 78654
- Phone
- (830) 201-7100
- Enumerated
- Nov 18, 2005
- Record last updated
- Apr 18, 2023
- Medicare enrollment
- Enrolled (PECOS I20041027000846); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 800 W Highway 71
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregg L. Mercier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA03990Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average physician assistant in 2024
365 Medicare Part D claims for 117 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Eszopiclone78 claims
- Montelukast Sodium59 claims
- Azelastine Hcl43 claims
- Ropinirole Hcl24 claims
- Trazodone Hcl19 claims
- Ramelteon18 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
- Scott And White ClinicTemple, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregg L. Mercier among 10,999 physician assistant records in Texas
Gregg L. Mercier, PAC 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2000 · median 2017 among the 6,096 with a school on file
- Record last updated2023 · 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).
9 physician assistant records list a practice address in Marble Falls
They are 9 of the 354 NPPES records with a practice address in Marble Falls, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Marble Falls → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mercedes Banigan, PAMarble Falls, TX 786541952515926
- Hanna Coyle, PA-CMarble Falls, TX 786541386016657
- Kristin Kutac, P.A.-C.Marble Falls, TX 786541891162020
- Shelbi Miller, PA-CMarble Falls, TX 786541962185728
- Fred Moore, PA-CMarble Falls, TX 786541467542282
- Kelly NeilsonGranite Shoals, TX 786541457220592
- Larissa Ramirez, PACMarble Falls, TX 786541912947896
- Debra Smith, PHYSICIAN ASSISTANTMarble Falls, TX 786541790838266
Common questions
What is Gregg L. Mercier, PAC's NPI number?
Gregg L. Mercier, PAC's National Provider Identifier (NPI) is 1497737076, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregg L. Mercier, PAC located?
The NPPES record lists a practice address at 800 W Highway 71, Marble Falls, TX, 78654. Phone: (830) 201-7100. Providers update this record themselves, so call before visiting.
How can I verify Gregg L. Mercier, PAC's license?
NPPES lists Texas license number PA03990, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Gregg L. Mercier, PAC prescribe under Medicare Part D?
In 2024, Gregg L. Mercier, PAC had 365 Medicare Part D claims for 117 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.