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DR. ALEXANDER MICHAEL MANTAS M.D.
NPI 1811193485
Internal Medicine - Gastroenterology in Dallas, TX

Active since June 21, 2007PECOS EnrolledAccepts Medicare Assignment
79.87/100
CMS Quality Rating
12200 PARK CENTRAL DR, SUITE 403, DALLAS, TX 75251(214) 617-2000(214) 617-2222 Get Directions Write a Review

NPPES record last updated: September 25, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 25, 2020, Jul 24, 2017, Mar 31, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Alexander Michael Mantas M.d. NPPES

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

DR. ALEXANDER MICHAEL MANTAS M.D. (NPI 1811193485) is an individual gastroenterology provider in Dallas, Texas, licensed in Texas (N5836) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1811193485
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ALEXANDER MICHAEL MANTASCredential: M.D.
Location Address12200 PARK CENTRAL DR, SUITE 403Dallas, TX 75251-2100
Mailing Address7610 N Stemmons Fwy, Ste 600Dallas, TX 75247-4228 · (214) 689-5960 · Fax (469) 713-8084
Phone(214) 617-2000
Fax(214) 617-2222
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJune 21, 2007
Last NPPES UpdateSeptember 25, 20204 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2020
✔ NPI 1811193485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in TX · N5836
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
12200 PARK CENTRAL DR, Dallas, TX 75251
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Other Identifiers 1

Medicaid297297802TX

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alexander Michael Mantas M.d. 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 ID7416112453
PECOS Enrollment IDI20120626000256, I20260331004113
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Alexander Mantas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Digestive Disease Consultants, PLLC
11 mi
Gastroenterology
701 TUSCAN DR, STE 110
Irving, TX 75039
  • Reassigned Medicare billing, Texas enrollment
  • 575 clinicians in this Medicare group
NPI 1053397331 (214) 496-1100
Billings Clinic
1,039 mi
Family Medicine
201 YELLOWSTONE AVE
Cody, WY 82414
  • Reassigned Medicare billing, Montana enrollment
  • 1,264 clinicians in this Medicare group
NPI 1346288347 (307) 527-7561

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
91 services91 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
72 services65 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
58 services58 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
50 services50 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
47 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Medical City Dallas Hospital

Acute Care Hospitals · Dallas, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450647
Location7777 Forest LaneDallas, TX 75230 · Dallas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75251 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.87/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.55
Promoting Interoperability100
Improvement Activities40
Cost64.36

Other Providers at the Same Location NPPES 20

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

NEURO-ORTHO SURGERY ASSIST LLC
Specialist/Technologist, Other (Surgical Technologist)
12200 PARK CENTRAL DR, STE 135
DALLAS, TX 75251
Dallas County (972) 741-7189
JULIANA MCELROY PA-C
Physician Assistant
12200 PARK CENTRAL DR
DALLAS, TX 75251
Dallas County (972) 697-6642
JAMES CHUKWUMA IKEMBA MD
Internal Medicine
12200 PARK CENTRAL DR, STE 415
DALLAS, TX 75251
Dallas County (972) 232-0218
AMY G SIGMAN MD
Obstetrics & Gynecology
12200 PARK CENTRAL DR, SUITE 135
DALLAS, TX 75251
Dallas County (214) 427-5703
PARK CENTRAL SURGICAL CENTER, LTD
Clinic/Center (Ambulatory Surgical)
12200 PARK CENTRAL DR, SUITE 300
DALLAS, TX 75251
Dallas County (972) 661-0505
DANIEL D NALE M.D.
Pediatrics
12200 PARK CENTRAL DR, SUITE 405A
DALLAS, TX 75251
Dallas County (972) 341-9696
JULIE PAO MD
Obstetrics & Gynecology
12200 PARK CENTRAL DR, STE 403
DALLAS, TX 75251
Dallas County (972) 774-9990
DR. NITI KAUR RANDHAWA MD
Family Medicine
12200 PARK CENTRAL DR, STE 415
DALLAS, TX 75251
Dallas County (469) 587-8480

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 Alexander Mantas's NPI number?

The NPI number for Alexander Mantas is 1811193485. It was assigned to this individual provider in the NPPES registry on June 21, 2007.

Where is Alexander Mantas located?

Alexander Mantas practices at 12200 Park Central Dr Suite 403, Dallas, TX 75251. The listed phone number is (214) 617-2000.

What is Alexander Mantas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Alexander Mantas enrolled in Medicare?

Yes. Alexander Mantas 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.

Which organizations bill Medicare for Alexander Mantas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Mantas reassigns Medicare benefits to 2 organizations: Texas Digestive Disease Consultants, PLLC (Irving, TX) and Billings Clinic (Cody, WY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Mantas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Mantas 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 7 other insurers list Alexander Mantas 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 Alexander Mantas affiliated with any hospitals?

According to CMS data, Alexander Mantas is affiliated with Billings Clinic and Medical City Dallas Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Mantas was last updated on September 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.