Doctor profile · Federal record

Dr. Mark Warren, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Greenville, NC

  • NPI 1629073010
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1006 Wh Smith Blvd
Greenville, NC 278345194
(252) 413-6683
fax (252) 413-6603
Mailing address
1850 W Arlington Blvd
Greenville, NC 278345704

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 29, 2015
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
North Carolina #37973
Medicaid
NC #7985816

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629073010. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16,598
Distinct HCPCS
10
Medicare allowed
$570,962
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 6,062 66 $23
83036 Hemoglobin a1c level 999 457 $10
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 833 116 $46
99214 Established patient office or other outpatient visit, 30-39 minutes 832 528 $122
36415 Insertion of needle into vein for collection of blood sample 756 521 $8
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 723 106 $38
82962 Blood glucose (sugar) test performed by hand-held instrument 681 353 $3
84443 Blood test, thyroid stimulating hormone (tsh) 628 474 $16
84439 Thyroxine (thyroid chemical), free 620 469 $9
99215 Established patient office or other outpatient visit, 40-54 minutes 571 315 $171

In context: peer comparison

Among 6 peers in Greenville Endocrinology, Diabetes & Metabolism Physician, average services per provider: 312. This provider delivers 53× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$65,630
Transactions
182
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 39 $23,125.09
Lilly USA, LLC 50 $19,001.01
Abbott Laboratories 30 $10,234.91
Eli Lilly and Company 14 $7,743.01
AstraZeneca Pharmaceuticals Lp 14 $1,496.78
Bayer Healthcare Pharmaceuticals INC. 11 $1,491.50
Tandem Diabetes Care, INC. 3 $1,473.20
Boehringer Ingelheim Pharmaceuticals, INC. 3 $252.03
Medtronic, INC. 4 $223.43
Ascendis Pharma INC 1 $108.23
Mannkind Corporation 2 $104.43
Corcept Therapeutics 4 $84.30
Novo Nordisk INC 5 $78.64
Insulet Corporation 1 $60.66
CeQur Corporation 1 $45.56

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$41,563
Travel and Lodging
$11,978
Consulting Fee
$7,125
Food and Beverage
$4,775
Education
$190

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,385
Patients
1,021
Total drug cost
$2,075,401
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 645 160 $11,240
Ozempic (Semaglutide) Brand 616 113 $779,611
Atorvastatin Calcium Generic 353 90 $4,526
Metformin Hcl ER (Metformin Hcl) Brand 335 88 $6,110
Rosuvastatin Calcium Generic 253 66 $4,722
Tresiba Flextouch U-200 (Insulin Degludec) Brand 237 46 $360,809
Glimepiride Generic 234 67 $3,257
Pioglitazone Hcl Generic 234 58 $4,753
Amlodipine Besylate Generic 232 54 $2,312
Novolog Flexpen (Insulin Aspart) Brand 225 49 $235,446

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Warren's medical specialty?
Dr. Mark Warren practices Endocrinology, Diabetes & Metabolism Physician in Greenville, NC.
Where does Dr. Mark Warren practice?
Dr. Mark Warren practices at 1006 Wh Smith Blvd, Greenville, NC 278345194. Office phone: 2524136683.
What is Dr. Mark Warren's NPI?
Dr. Mark Warren's National Provider Identifier (NPI) is 1629073010, issued by NPPES.
Does Dr. Mark Warren accept Medicare assignment?
Yes. Dr. Mark Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Warren commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Hemoglobin a1c level (HCPCS 83036); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457). Source: CMS Medicare Physician & Other Practitioners file.