Doctor profile · Federal record

Dr. Dennis Blankenship, M.D.

Nephrology Physician (CMS: Nephrology) · Texarkana, AR

  • NPI 1821086547
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
422 Beech St
Texarkana, AR 718545310
(870) 773-1111
fax (870) 772-1354

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
April 5, 2021
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Arkansas #R3130
Medicaid
AR #107680001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821086547. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,529
Distinct HCPCS
10
Medicare allowed
$270,609
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 897 76 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 650 95 $114
36415 Insertion of needle into vein for collection of blood sample 205 62 $6
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 156 19 $312
90937 Hemodialysis procedure requiring repeated evaluation 142 23 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 125 50 $82
99291 Critical care, first 30-74 minutes 109 25 $205
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 100 91 $167
99214 Established patient office or other outpatient visit, 30-39 minutes 40 30 $116
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 33 22 $8

In context: peer comparison

Among 1 peers in Texarkana Nephrology Physician, average services per provider: 180. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 1 $22.20

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
884
Patients
222
Total drug cost
$18,124
Drug Type Claims Patients Total cost
Furosemide Generic 108 34 $514
Calcium Acetate Generic 98 26 $4,122
Carvedilol Generic 74 21 $925
Allopurinol Generic 70 27 $570
Atorvastatin Calcium Generic 60 25 $842
Amlodipine Besylate Generic 58 15 $481
Sevelamer Carbonate Generic 57 13 $5,447
Hydralazine Hcl Generic 54 17 $1,010
Gabapentin Generic 51 14 $706
Lisinopril Generic 46 14 $295

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Blankenship's medical specialty?
Dr. Dennis Blankenship practices Nephrology Physician in Texarkana, AR.
Where does Dr. Dennis Blankenship practice?
Dr. Dennis Blankenship practices at 422 Beech St, Texarkana, AR 718545310. Office phone: 8707731111.
What is Dr. Dennis Blankenship's NPI?
Dr. Dennis Blankenship's National Provider Identifier (NPI) is 1821086547, issued by NPPES.
Does Dr. Dennis Blankenship accept Medicare assignment?
Yes. Dr. Dennis Blankenship accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Blankenship commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.