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DR. ROBERT R CARLSON M.D.
NPI 1295783637
Surgery in Nacogdoches, TX

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment
1320 N UNIVERSITY DR STE A, NACOGDOCHES, TX 75961(936) 568-9600 Get Directions Write a Review

NPPES record last updated: October 1, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 1, 2024, Jun 16, 2018, Sep 15, 2017 (3 updates tracked since 2017).

About Dr. Robert R Carlson M.d. NPPES

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

DR. ROBERT R CARLSON M.D. (NPI 1295783637) is an individual surgery provider in Nacogdoches, Texas, licensed in Texas (K3890) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Nacogdoches Memorial Hospital, and is a graduate of University Of Texas Medical Branch At Galveston (1988).

NPPES Registry Identity

NPI1295783637
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. ROBERT R CARLSONCredential: M.D.
Location Address1320 N UNIVERSITY DR STE ANacogdoches, TX 75961-4270
Mailing AddressPo Box 157Lovelady, TX 75851-0157 · (970) 580-6910
Phone(936) 568-9600
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1988
Enumeration DateMay 5, 2006
Last NPPES UpdateOctober 1, 20243 updates tracked since enumeration
NPPES CertifiedOctober 1, 2024
✔ NPI 1295783637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in TX · K3890✔ Licensed in CO · 5647✔ Licensed in SD · 10187✔ Licensed in IA · 33347
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.
1320 N UNIVERSITY DR STE A, Nacogdoches, TX 75961
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Other Names 1

Other Name (5)Dr. Bob R Carlson M.d.

Other Identifiers 7

Other15690IA · Wellmark Bc/bs
Other020045344Railroad Medicare
Other149900Iowa Health Solutions
Other18978Midlands Choice
OtherIA 0184John Deere Health
Other056885Health Alliance
Medicaid0205799IA

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. Robert R Carlson 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 ID4082503891
PECOS Enrollment IDI20120124000553
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 Robert Carlson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Robert Carlson MD PLLC
51 mi
Surgery
1050 E LOOP 304
Crockett, TX 75835
  • Reassigned Medicare billing, Texas enrollment
NPI 1851119317 (936) 568-9600
Mason City Clinic PC
799 mi
Otolaryngology
250 S CRESCENT DR
Mason City, IA 50401
  • Reassigned Medicare billing, Iowa enrollment
  • 65 clinicians in this Medicare group
NPI 1043254055 (800) 622-1411

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

Hospital Affiliations CMS Care Compare

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

Nacogdoches Memorial Hospital

Acute Care Hospitals · Nacogdoches, TX
1/5 CMS rating
OwnershipProprietary
CMS Certification Number450508
Location1204 Mound StNacogdoches, TX 75961 · Nacogdoches County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75961 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 2

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

CHARLES W PAGE MD PA
Surgery
1320 N UNIVERSITY DR STE A
NACOGDOCHES, TX 75961
Nacogdoches County (936) 568-9600
EAST TEXAS UROCENTER
Urology
1320 N UNIVERSITY DR STE A
NACOGDOCHES, TX 75961
Nacogdoches County (936) 560-5200

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 Robert Carlson's NPI number?

The NPI number for Robert Carlson is 1295783637. It was assigned to this individual provider in the NPPES registry on May 5, 2006. The provider is also known as Dr. Bob R Carlson M.D..

Where is Robert Carlson located?

Robert Carlson practices at 1320 N University Dr Ste A, Nacogdoches, TX 75961. The listed phone number is (936) 568-9600.

What is Robert Carlson's specialty?

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

Is Robert Carlson enrolled in Medicare?

Yes. Robert Carlson 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 Robert Carlson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Carlson reassigns Medicare benefits to 2 organizations: Robert Carlson MD PLLC (Crockett, TX) and Mason City Clinic PC (Mason City, IA). 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 Robert Carlson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Robert Carlson affiliated with any hospitals?

According to CMS data, Robert Carlson is affiliated with Nacogdoches Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Robert Carlson was last updated on October 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.