Doctor profile · Federal record

Dr. Tanya Haag, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Germantown, MD

  • NPI 1316203862
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
20010 Century Blvd
Germantown, MD 208741115
(240) 686-2300
Additional location
4101 Northview Dr
Bowie, MD 207162616
(301) 383-2559

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maryland #H0079946

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316203862. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
644
Distinct HCPCS
5
Medicare allowed
$109,915
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 335 330 $183
99291 Critical care, first 30-74 minutes 140 140 $220
99284 Emergency department visit with moderate level of medical decision making 133 129 $125
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 22 22 $7
99283 Emergency department visit with low level of medical decision making 14 14 $76

In context: peer comparison

Among 15 peers in Germantown Emergency Medicine Physician, average services per provider: 105. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
61
Total drug cost
$234
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 24 23 $111
Ibuprofen Generic 15 15 $34
Cephalexin Generic 12 12 $59
Oxycodone Hcl Generic 11 11 $29

Frequently asked questions

Auto-generated from federal data
What is Dr. Tanya Haag's medical specialty?
Dr. Tanya Haag practices Emergency Medicine Physician in Germantown, MD.
Where does Dr. Tanya Haag practice?
Dr. Tanya Haag practices at 20010 Century Blvd, Germantown, MD 208741115. Office phone: 2406862300.
What is Dr. Tanya Haag's NPI?
Dr. Tanya Haag's National Provider Identifier (NPI) is 1316203862, issued by NPPES.
Does Dr. Tanya Haag accept Medicare assignment?
Yes. Dr. Tanya Haag accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tanya Haag commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.