DR. NICHOLAS PATRICK CARLING M.D.
NPI 1821231754
Anesthesiology - Pediatric Anesthesiology in Dallas, TX

Active since April 07, 2009PECOS Enrolled
12222 MERIT DR STE 600, DALLAS, TX 75251(972) 715-5000(972) 715-9976 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 31, 2026, Sep 4, 2025, Feb 12, 2025 (3 updates tracked since 2025).

About Dr. Nicholas Patrick Carling M.d. NPPES

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

DR. NICHOLAS PATRICK CARLING M.D. (NPI 1821231754) is an individual pediatric anesthesiology provider in Dallas, Texas, licensed in Pennsylvania (MD435369) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1821231754
Entity TypeIndividualMale
Primary Taxonomy207LP3000X
Provider Legal NameDR. NICHOLAS PATRICK CARLINGCredential: M.D.
Location Address12222 MERIT DR STE 600Dallas, TX 75251-3294
Mailing Address3206 Revere St Apt 310Houston, TX 77098-2239 · (832) 654-0721
Fax(972) 715-9976
Sole ProprietorYes
Enumeration DateApril 7, 2009
Last NPPES UpdateJuly 31, 20263 updates tracked since enumeration
NPPES CertifiedJuly 31, 2026
✔ NPI 1821231754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pediatric AnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207LP3000X
Licenses✔ Licensed in PA · MD435369✔ Licensed in TX · N2431
Definition
An anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs of infants and children. A pediatric anesthesiologist generally provides services including the evaluation of complex medical problems in infants and children when surgery is necessary, planning and care for children before and after surgery, pain control, anesthesia and sedation for any procedures out of the operating room such as MRI, CT scan, and radiation therapy.
12222 MERIT DR STE 600, Dallas, TX 75251

Secondary Practice Locations 4

Location 14845 Alameda AveEl Paso, TX 79905-2705 · Phone (915) 298-5444
Location 26621 Fannin St, Suite A-300 MC 2-1495Houston, TX 77030-2303 · Phone (832) 824-5800
Location 3910 E Houston St Ste 400Tyler, TX 75702-8368 · Phone (903) 531-4268
Location 4800 E Dawson StTyler, TX 75701-2036 · Phone (903) 606-4500 · Fax (903) 606-5448

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nicholas Patrick Carling M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

6

Medicare enrollment records show Nicholas Carling reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
520 DOUGLAS BLVD
Tyler, TX 75702
  • Reassigned Medicare billing, Texas enrollment
  • 2,745 clinicians in this Medicare group
General Acute Care Hospital
800 E DAWSON ST
Tyler, TX 75701
  • Reassigned Medicare billing, Texas enrollment
  • 547 clinicians in this Medicare group
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
Plastic Surgery
3533 S ALAMEDA ST
Corpus Christi, TX 78411
  • Reassigned Medicare billing, Texas enrollment
  • 510 clinicians in this Medicare group
Specialist
5400 ALAMEDA AVE BLDG B
El Paso, TX 79905
  • Reassigned Medicare billing, Texas enrollment
  • 59 clinicians in this Medicare group

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

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
$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.

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.

Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Anesthesiology
12222 MERIT DR STE 600
DALLAS, TX 75251
Anesthesiology
12222 MERIT DR STE 600
DALLAS, TX 75251
Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Nurse Anesthetist, Certified Registered
12222 MERIT DR STE 600
DALLAS, TX 75251
Anesthesiology
12222 MERIT DR STE 600
DALLAS, TX 75251

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 Nicholas Carling's NPI number?

The NPI number for Nicholas Carling is 1821231754. It was assigned to this individual provider in the NPPES registry on April 7, 2009.

Where is Nicholas Carling located?

Nicholas Carling practices at 12222 Merit Dr Ste 600, Dallas, TX 75251. The listed phone number is (972) 715-5000.

What is Nicholas Carling's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.

Is Nicholas Carling enrolled in Medicare?

Yes. Nicholas Carling is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nicholas Carling's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Carling reassigns Medicare benefits to 6 organizations: Christus Trinity Clinic Texas (Tyler, TX), Mother Frances Hospital Regional Health Care Center (Tyler, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Texas Children's Physician Group (Houston, TX), Children's Physician Services Of South Texas (Corpus Christi, TX) and 1 more organization, listed in the Medicare section above. 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 Nicholas Carling's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Carling 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 4 other insurers list Nicholas Carling 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.

When was this NPI record last updated?

The NPPES record for Nicholas Carling was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.