Doctor profile · Federal record

Dr. Martin Weltz, D.O.

Hematology & Oncology Physician · Hematology & Oncology Physician · Hematology & Oncology Physician · Greenbelt, MD

  • NPI 1740283100
  • 21 yrs on file
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
7525 Greenway Center Dr, Ste 205
Greenbelt, MD 207703525
(301) 982-9800
fax (301) 982-2420
Additional location
327 Medical Park Dr
Bridgeport, WV 263309006
(681) 342-1842
Additional location
705 Garfield Ave Ste 220
Parkersburg, WV 261015444
(304) 424-2606

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
April 18, 2022
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
Maryland #D0023743 · West Virginia #3470 · Indiana #02005407A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740283100. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
2
Medicare allowed
$18,849
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 191 115 $94
99213 Established patient office or other outpatient visit, 20-29 minutes 15 13 $63

In context: peer comparison

Among 1 peers in Greenbelt Hematology & Oncology Physician, average services per provider: 103. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
53
Patients
0
Total drug cost
$1,489
Drug Type Claims Patients Total cost
Anastrozole Generic 24 0 $464
Letrozole Generic 18 0 $782
Oxycodone Hcl Generic 11 0 $243

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin Weltz's medical specialty?
Dr. Martin Weltz practices Hematology & Oncology Physician in Greenbelt, MD.
Where does Dr. Martin Weltz practice?
Dr. Martin Weltz practices at 7525 Greenway Center Dr, Greenbelt, MD 207703525. Office phone: 3019829800.
What is Dr. Martin Weltz's NPI?
Dr. Martin Weltz's National Provider Identifier (NPI) is 1740283100, issued by NPPES.
What procedures does Dr. Martin Weltz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.