Dr. Robert R Carlson , MD
Surgery • Nacogdoches, TX
1320 N University Dr Ste A
Nacogdoches, TX 759614270
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on May 5, 2006; this date does not establish years in practice.
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Published CMS data list 106 Original Medicare Part B services in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Published rows only; this is not a quality measure.
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Published Part B service records, 2021:
- 45380 — Biopsy of large bowel using a flexible endoscope: 40 service units.
- 99232 — Subsequent hospital care with moderate levelof medical decision making: 36 service units.
- 43239 — Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope: 16 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2020 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2021). CPT notice
See all 4 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 141 Medicare Part D prescriptions, including refills, in 2021.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2021. Published rows only; this is not a quality measure.
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Published Part D records, 2021:
- Pantoprazole Sodium — 67 prescription fills, including refills.
- Famotidine — 22 prescription fills, including refills.
- Promethazine Hcl — 20 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2021. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 5 records in the table · Guide: How to read Medicare Part D prescriber data
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Medicare Part B services went from 169 in 2017 to 106 in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2021.
Practice Location & Contact Primary Location
1320 N University Dr Ste A
Nacogdoches, TX 759614270
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
University Of Texas Medical Branch At Galveston
1988
What Public CMS Data Show
Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $10,780 in 2021
The total amount Medicare approved for these services in 2021. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
Paid by Medicare
About $8,277 in 2021
The part of the Medicare-allowed amount that Medicare itself paid in 2021, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
30-day fills
221 standardized 30-day fills in 2021
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$7,361 in 2021
The total cost of these prescriptions in 2021, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2021.
Open Payments general payments, program year 2024
All general payments: $245.51 across 2 records.
By nature of payment
- Food and Beverage: $245.51 across 2 records.
Reporting-company totals
- INTUITIVE SURGICAL, INC.: $135.00 across 1 record.
- Solventum Corporation: $110.51 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2024 (published June 30, 2026).
Years since graduation
38 years (graduated 1988)
CMS Doctors and Clinicians data list 1988 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Carlson has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Carlson as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Nacogdoches and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Carlson are from 2021.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Dr. Carlson are from 2021.
9 active clinicians are listed under Surgery with a practice address in Nacogdoches, TX (2,193 in Texas).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 37% from 169 in 2017 to 106 in 2021.
- 2017: 169
- 2018: 441
- 2019: 435
- 2020: 265
- 2021: 106
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Medicare-allowed amount
Medicare-allowed amount decreased 23% from $14,020 in 2017 to $10,780 in 2021.
- 2017: $14,020
- 2018: $43,204
- 2019: $41,584
- 2020: $26,091
- 2021: $10,780
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Paid by Medicare
Paid by Medicare decreased 25% from $11,003 in 2017 to $8,277 in 2021.
- 2017: $11,003
- 2018: $33,277
- 2019: $31,817
- 2020: $20,014
- 2021: $8,277
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Medicare Part D prescriptions
Medicare Part D prescriptions went from 12 in 2017 to 141 in 2021.
- 2017: 12
- 2018: 18
- 2019: 162
- 2020: 185
- 2021: 141
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30-day fills
30-day fills went from 12 in 2017 to 221 in 2021.
- 2017: 12
- 2018: 24
- 2019: 187
- 2020: 277
- 2021: 221
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Part D drug cost
Part D drug cost increased 184% from $2,594 in 2017 to $7,361 in 2021.
- 2017: $2,594
- 2018: $147
- 2019: $1,539
- 2020: $6,327
- 2021: $7,361
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $82.43 in 2019 to $245.51 in 2024.
- 2019: $82.43
- 2022: $76.48
- 2024: $245.51
Sources: CMS Medicare Physician & Other Practitioners (2021), CMS Medicare Part D Prescribers (2021), CMS Open Payments (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2024 (payments made January 1 – December 31, 2024): fewer than 11 records totaling $245.51.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| INTUITIVE SURGICAL, INC. |
Food and Beverage
In-kind items and services
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Da Vinci Surgical System | General | $135.00 |
| Solventum Corporation |
Food and Beverage
Cash or cash equivalent
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PREVENA | General | $110.51 |
Source: CMS Open Payments, program year 2024, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2020 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2021; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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45380
Biopsy of large bowel using a flexible endoscope
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40 | 40 | $961.35 | $154.71 |
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99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
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36 | 19 | $156.00 | $68.02 |
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43239
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
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16 | 16 | $698.75 | $102.04 |
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99231
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
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14 | 12 | $84.00 | $36.44 |
Source: CMS Part B by Provider and Service, 2021; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2021.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Pantoprazole Sodium | Pantoprazole Sodium | 67 | 3,689 | $1,042.77 | 22 |
| Famotidine | Famotidine | 22 | 840 | $213.48 | — |
| Promethazine Hcl | Promethazine Hcl | 20 | 98 | $53.31 | — |
| Dexilant | Dexlansoprazole | 18 | 540 | $5,895.13 | — |
| Omeprazole | Omeprazole | 14 | 915 | $156.35 | — |
Source: CMS Part D by Provider and Drug, 2021; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-10-01NUCC Taxonomy Code: 208600000X
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.
NUCC Taxonomy Code: 208600000X
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.
NUCC Taxonomy Code: 208600000X
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.
NUCC Taxonomy Code: 208600000X
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.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - GENERAL SURGERY
I20140214001509
IA
4082503891
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Specialist
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 1320 N UNIVERSITY DR STE A, NACOGDOCHES, TX 759614270 (Tel: 9365689600)
Registered at PO BOX 157, LOVELADY, TX 758510157 (Tel: 9705806910)
Surgery (license number reported to NPPES: CO 5647)
NPI status registered as active in NPPES database
Registered at 1518 MULBERRY AVE,, SUITE 102, MUSCATINE, IA 52761 (Tel: 5632624112)
Registered at 915 13TH AVE N, CLINTON, IA 527325067 (Tel: 5632432511)
Recorded as ROBERT CARLSON, M.D.
Surgery (license number reported to NPPES: IA 33347)
NPI status registered as active in NPPES database
Registered at 915 13TH AVE N, CLINTON, IA 527325067 (Tel: 5632432511)
Registered at 915 13TH AVE N, CLINTON, IA 527325067 (Tel: 5632432511)
Recorded as BOB CARLSON, M.D.
Surgery (license number reported to NPPES: IA 33347)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Surgery Specialists in Nacogdoches
- Dr. Peter Ramzy, MD
- Dr. Jason Suits, MD
- Dr. Rodolfo Oviedo, MD, FACS, FASMBS
- Dr. Steven Garcia, MD
- Dr. Marian Querry, DO
- Dr. Jonathan Polk, MD
Mailing Address
Po Box 157
Lovelady, TX 758510157
Phone: 9705806910