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DR. NATHANIEL NG M.D.
NPI 1114245925
Colon & Rectal Surgery in Dallas, TX

Active since May 05, 2010PECOS EnrolledAccepts Medicare Assignment
89.44/100
CMS Quality Rating
3410 WORTH ST STE 160, DALLAS, TX 75246(214) 515-5552(833) 396-2417 Get Directions Write a Review

NPPES record last updated: May 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2026, May 27, 2020, Jun 4, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Nathaniel Ng M.d. NPPES

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

DR. NATHANIEL NG M.D. (NPI 1114245925) is an individual colon & rectal surgery provider in Dallas, Texas, licensed in Texas (Q7436) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Texas Medical Branch At Galveston (2010).

NPPES Registry Identity

NPI1114245925
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. NATHANIEL NGCredential: M.D.
Location Address3410 WORTH ST STE 160Dallas, TX 75246-2092
Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-0813
Phone(214) 515-5552
Fax(833) 396-2417
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2010
Enumeration DateMay 5, 2010
Last NPPES UpdateMay 13, 20264 updates tracked since enumeration
NPPES CertifiedMay 13, 2026
✔ NPI 1114245925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in TX · Q7436
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedSurgeryTaxonomy 208600000X · License Q7436 (TX)
3410 WORTH ST STE 160, Dallas, TX 75246
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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathaniel Ng 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 ID3971871625
PECOS Enrollment IDI20170621001267
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

3

Medicare enrollment records show Nathaniel Ng reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Oncology PA
Same address
Medical Oncology
3410 WORTH ST
Dallas, TX 75246
  • Reassigned Medicare billing, Texas enrollment
  • 1,054 clinicians in this Medicare group
NPI 1003083445 (972) 997-8000
Dallas Endoscopy Center, Ltd
0.3 mi
Ambulatory Surgical
3930 CRUTCHER ST
Dallas, TX 75246
  • Reassigned Medicare billing, Texas enrollment
  • 7 clinicians in this Medicare group
NPI 1518943679 (214) 520-8235
Texas Tech University Health Sciences Center
562 mi
Family Medicine
313 S RIO VISTA RD
El Paso, TX 79927
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Tech University Health Sciences Center El Paso
  • 856 clinicians in this Medicare group
NPI 1588622500 (915) 859-0817

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.

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.
36 services25 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
26 services11 patients
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.
21 services20 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
18 services13 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.
18 services18 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.
17 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Baylor University Medical Center

Acute Care Hospitals · Dallas, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450021
Location3500 Gaston AveDallas, TX 75246 · Dallas County
Emergency services Birthing friendly

Texas Health Presbyterian Hospital Rockwall

Acute Care Hospitals · Rockwall, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number670044
Location3150 Horizon RoadRockwall, TX 75032 · Rockwall County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75246 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$71.28 typical visit price
range $18.48 – $141.20
Typical copayment $17.82 (range $4.62 – $35.30)
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.

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.

89.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.85
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
3 suppliers17 claims380 services$4.90 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409
DME-Orthotic Devices · category DF010N
1 supplier12 claims360 services$5.99 avg. paid by Medicare
Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each A4425
DME-Orthotic Devices · category DF010N
2 suppliers13 claims310 services$3.45 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

DR. RACHEL M. ZENT M.D.
Surgery (Surgical Oncology)
3410 WORTH ST STE 160
DALLAS, TX 75246
Dallas County (214) 826-9797
JEAN ROSE YUZON RAMOS PA-C
Physician Assistant
3410 WORTH ST STE 160
DALLAS, TX 75246
Dallas County (214) 826-9797
LUCY BROOKS WALLACE M.D.
Surgery (Surgical Oncology)
3410 WORTH ST STE 160
DALLAS, TX 75246
Dallas County (214) 826-9797
SCOTT ALAN CELINSKI M.D.
Surgery (Surgical Oncology)
3410 WORTH ST STE 160
DALLAS, TX 75246
Dallas County (214) 826-9797

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 Nathaniel Ng's NPI number?

The NPI number for Nathaniel Ng is 1114245925. It was assigned to this individual provider in the NPPES registry on May 5, 2010.

Where is Nathaniel Ng located?

Nathaniel Ng practices at 3410 Worth St Ste 160, Dallas, TX 75246. The listed phone number is (214) 515-5552.

What is Nathaniel Ng's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Nathaniel Ng enrolled in Medicare?

Yes. Nathaniel Ng 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 Nathaniel Ng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Ng reassigns Medicare benefits to 3 organizations: Texas Oncology PA (Dallas, TX), Dallas Endoscopy Center, Ltd (Dallas, TX) and Texas Tech University Health Sciences Center (El Paso, TX). 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 Nathaniel Ng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Ng accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 9 other insurers list Nathaniel Ng 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 Nathaniel Ng affiliated with any hospitals?

According to CMS data, Nathaniel Ng is affiliated with Baylor University Medical Center and Texas Health Presbyterian Hospital Rockwall.

When was this NPI record last updated?

The NPPES record for Nathaniel Ng was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.