Doctor profile · Federal record

Dr. Mark Blankenship, MD

Colon & Rectal Surgery Physician (CMS: General Surgery) · Surgery Physician · Rincon, GA

  • NPI 1861492191
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
594 S Columbia Ave, Ste 100
Rincon, GA 313260919
(912) 826-4057
fax (912) 826-2853
Mailing address
Po Box 919
Rincon, GA 313260919

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 15, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Georgia #043557
Medicaid
GA #00791557A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861492191. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
567
Distinct HCPCS
10
Medicare allowed
$58,527
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 155 109 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 78 62 $118
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 76 49 $48
46600 Diagnostic exam of anus using an endoscope 51 42 $109
99203 New patient office or other outpatient visit, 30-44 minutes 50 50 $105
99204 New patient office or other outpatient visit, 45-59 minutes 48 48 $151
99212 Established patient office or other outpatient visit, 10-19 minutes 31 30 $50
45378 Diagnostic exam of large bowel using a flexible endoscope 25 25 $171
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery 16 16 $216
64590 Insertion of peripheral or gastric neurostimulator generator 13 13 $117

In context: peer comparison

Among 1 peers in this city , average services per provider: 47. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$64
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 2 $29.79
THD America, Inc. 1 $19.64
Becton, Dickinson and Company 1 $15.05

By nature of payment

Food and Beverage
$64

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
271
Patients
158
Total drug cost
$5,221
Drug Type Claims Patients Total cost
Metronidazole Generic 59 53 $277
Neomycin Sulfate Generic 46 43 $289
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 43 38 $273
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 30 24 $220
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 19 0 $502
Ondansetron Hcl Generic 18 0 $83
Tramadol Hcl Generic 12 0 $28
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 0 $127
Colesevelam Hcl Generic 11 0 $2,030
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 11 0 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Blankenship's medical specialty?
Dr. Mark Blankenship practices Colon & Rectal Surgery Physician in Rincon, GA.
Where does Dr. Mark Blankenship practice?
Dr. Mark Blankenship practices at 594 S Columbia Ave, Rincon, GA 313260919. Office phone: 9128264057.
What is Dr. Mark Blankenship's NPI?
Dr. Mark Blankenship's National Provider Identifier (NPI) is 1861492191, issued by NPPES.
Does Dr. Mark Blankenship accept Medicare assignment?
Yes. Dr. Mark Blankenship accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Blankenship commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.