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MARGARET MERRIAM DO
NPI 1083867147
Surgery in Andrews, TX

Active since November 02, 2008PECOS EnrolledAccepts Medicare Assignment
700 HOSPITAL DR, ANDREWS, TX 79714(432) 523-6624(432) 524-1129 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 11, 2025, Jun 13, 2024 (2 updates tracked since 2024).

About Margaret Merriam Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET MERRIAM DO (NPI 1083867147) is an individual surgery provider in Andrews, Texas, licensed in Texas (Q1225) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS, is affiliated with Permian Regional Medical Center Andrews County Ho, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1083867147
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameMARGARET MERRIAMCredential: DO
Location Address700 HOSPITAL DRAndrews, TX 79714-3638
Mailing Address700 Hospital DrAndrews, TX 79714-3638 · (432) 523-6624 · Fax (432) 524-1129
Phone(432) 523-6624
Fax(432) 524-1129
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateNovember 2, 2008
Last NPPES UpdateNovember 11, 20252 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1083867147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in TX · Q1225
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
700 HOSPITAL DR, Andrews, TX 79714
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Merriam Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123342078
PECOS Enrollment IDI20170310000654
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Permian Regional Medical Center Andrews County Ho

Acute Care Hospitals · Andrews, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450144
Location720 Hospital DriveAndrews, TX 79714 · Andrews County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79714 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEBRA ANN DAVIS NP-C
Nurse Practitioner (Family)
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624
ANDREWS COUNTY HOSPITAL DISTRICT
Clinic/Center (Rural Health)
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624
STEPHANIE FITZGERALD M.D.
Family Medicine
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624
ELIANA KELLEY APRN
Nurse Practitioner (Family)
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624
PEGGY THURSTON FNP
Nurse Practitioner (Family)
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624
DR. RAHUL DINESH PURI M.D.
Family Medicine
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624
DR. WYN DINH NGUYEN MD
Colon & Rectal Surgery
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624
DR. SUHAIL SAMI DAYE M.D.
Surgery
700 HOSPITAL DR
ANDREWS, TX 79714
Andrews County (432) 523-6624

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Merriam's NPI number?

The NPI number for Margaret Merriam is 1083867147. It was assigned to this individual provider in the NPPES registry on November 2, 2008.

Where is Margaret Merriam located?

Margaret Merriam practices at 700 Hospital Dr, Andrews, TX 79714. The listed phone number is (432) 523-6624.

What is Margaret Merriam's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Margaret Merriam enrolled in Medicare?

Yes. Margaret Merriam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Margaret Merriam accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Margaret Merriam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Margaret Merriam affiliated with any hospitals?

According to CMS data, Margaret Merriam is affiliated with Permian Regional Medical Center Andrews County Ho.

When was this NPI record last updated?

The NPPES record for Margaret Merriam was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.