Doctor profile · Federal record

Dr. Koithara Varkey Thomas, M.D.

Nephrology Physician (CMS: Nephrology) · Jacksonville, NC

  • NPI 1265474209
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Eastern Nephrology Associates, 277 Memorial Drive
Jacksonville, NC 285466333
(910) 346-2263
fax (910) 353-0549
Additional location
52 Office Park Dr, Suite A
Jacksonville, NC 285463217
Mailing address
277 Memorial Drive
Jacksonville, NC 285466333

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 1, 2020
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
North Carolina #200300295
Medicaid
NC #89134WE

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265474209. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,467
Distinct HCPCS
10
Medicare allowed
$243,619
HCPCS Description Services Patients Avg allowed
Q5106 Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units 840 17 $8
36415 Insertion of needle into vein for collection of blood sample 640 377 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 508 356 $97
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 470 314 $6
80069 Kidney function blood test panel 348 236 $9
82570 Creatinine level to test for kidney function or muscle injury 329 228 $5
83970 Parathormone (parathyroid hormone) level 328 232 $40
81003 Automated urinalysis test 303 239 $2
83735 Magnesium level 235 168 $7
82306 Vitamin d-3 level 212 181 $29

In context: peer comparison

Among 2 peers in Jacksonville Nephrology Physician, average services per provider: 195. This provider delivers 33× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$308
Transactions
16
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 4 $71.27
Otsuka America Pharmaceutical, INC. 2 $50.18
Novartis Pharmaceuticals Corporation 2 $43.05
Travere Therapeutics, INC. 2 $38.21
Bayer Healthcare Pharmaceuticals INC. 2 $31.26
Ardelyx, INC. 1 $22.28
Aurinia Pharma U.S., INC. 1 $18.82
Boehringer Ingelheim Pharmaceuticals, INC. 1 $18.32
AstraZeneca Pharmaceuticals Lp 1 $14.81

By nature of payment

Food and Beverage
$291
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,014
Patients
294
Total drug cost
$104,622
Drug Type Claims Patients Total cost
Furosemide Generic 164 52 $951
Calcitriol Generic 131 40 $1,935
Amlodipine Besylate Generic 79 28 $475
Farxiga (Dapagliflozin Propanediol) Brand 74 16 $58,436
Clonidine Hcl Generic 67 22 $980
Losartan Potassium Generic 66 26 $866
Lisinopril Generic 62 17 $483
Midodrine Hcl Generic 61 18 $4,426
Potassium Chloride Generic 57 18 $2,847
Carvedilol Generic 56 17 $458

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Koithara Varkey Thomas's medical specialty?
Dr. Koithara Varkey Thomas practices Nephrology Physician in Jacksonville, NC.
Where does Dr. Koithara Varkey Thomas practice?
Dr. Koithara Varkey Thomas practices at Eastern Nephrology Associates, Jacksonville, NC 285466333. Office phone: 9103462263.
What is Dr. Koithara Varkey Thomas's NPI?
Dr. Koithara Varkey Thomas's National Provider Identifier (NPI) is 1265474209, issued by NPPES.
Does Dr. Koithara Varkey Thomas accept Medicare assignment?
Yes. Dr. Koithara Varkey Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Koithara Varkey Thomas commonly perform?
Top Medicare-reported procedures in 2023: Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS Q5106); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.