GREGG L MERCIER (PAC) – Physician Assistant, NPI 1497737076

GREGG L MERCIER (PAC) is a healthcare provider. based in Marble falls, Texas. specializing in PHYSICIAN ASSISTANT. They hold the professional credentials PAC. They hold a License No. PA03990 (TX). The NPI Number for GREGG L MERCIER (PAC) is 1497737076

Main info

Male
26 Years Of Experience
Accepts Medicare Assignment
Name
GREGG L MERCIER (PAC)
NPI
1497737076
Phone
Not provided
Address
706 AVENUE G
Enumeration Date
18 November 2005
Last Update Date
18 April 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2547242663
Graduation Year
2000 (26 years ago)
PAC ID
0648232124
Group Practice PAC ID
8123923604
Professional Enrollment ID
I20041027000846
Address ID
TX765080001TE2401XBLDG501
Telehealth
Yes

Contacts

Secure Messaging
gmercier14223@direct.sw.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

8,491 PHYSICIAN ASSISTANT in TX

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Provider Addresses for GREGG L MERCIER (PAC)

  • 706, Avenue G, Blue Bonnet District, Marble Falls, Burnet County, Texas, 78654, United States

    MARBLE FALLS, TX 786545866

    Phone:

    Type: Mailing

  • PO BOX 844658

    DALLAS, TX 752848446

    Phone: (800) 994-0371

    Type: Mailing

  • 800 W HIGHWAY 71

    MARBLE FALLS, TX 786548606

    Phone: (830) 201-7100

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-10-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20041027000846IPhysician AssistantTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes380272$0
99213Established patient office or other outpatient visit, 20-29 minutes2120$0
View full utilization report →

Insurance plans in this area (ZIP 78654)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8123923604View full group profile
NameSpecialtyState
Radiation OncologyTX
U R O L O G YTX
General SurgeryOK
Certified Registered Nurse Anesthetist (Crna)TX
-TX
Anesthesiology AssistantTX
-TX
-TX
O B S T E T R I C S/ G Y N E C O L O G YTX
-TX

Reviews

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Frequently asked questions

Is there an official ID for GREGG L MERCIER (PAC) in U.S. healthcare records?
The official identifier for GREGG L MERCIER (PAC) is NPI 1497737076.
Is GREGG L MERCIER (PAC) shown as active in public data?
Registry records indicate GREGG L MERCIER (PAC) maintains an active NPI.
What clinical focus is listed for GREGG L MERCIER (PAC)?
At a glance, GREGG L MERCIER (PAC) is tied to Physician Assistant. Clinical services aligned with this taxonomy classification.
Is GREGG L MERCIER (PAC) located near Marble Falls?
GREGG L MERCIER (PAC) currently maps to Marble Falls, Texas in this extract.
Can I trust this NPI listing for GREGG L MERCIER (PAC)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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