Doctor profile · Federal record

Dr. Mary Beth Thier, Nurse Practitioner

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Bel Air, MD

  • NPI 1386899045
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
602 S Atwood RD, Suite 206
Bel Air, MD 210144172
(410) 638-7544
Mailing address
227 Gateway Dr, Ste J
Bel Air, MD 210144287

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
January 30, 2019
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Maryland #R158577

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386899045. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
825
Distinct HCPCS
4
Medicare allowed
$61,912
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 727 343 $70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 51 51 $153
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 30 29 $44
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 16 $115

In context: peer comparison

Among 5 peers in this city , average services per provider: 135. This provider delivers 6.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Beth Thier's medical specialty?
Dr. Mary Beth Thier practices Acute Care Nurse Practitioner in Bel Air, MD.
Where does Dr. Mary Beth Thier practice?
Dr. Mary Beth Thier practices at 602 S Atwood RD, Bel Air, MD 210144172. Office phone: 4106387544.
What is Dr. Mary Beth Thier's NPI?
Dr. Mary Beth Thier's National Provider Identifier (NPI) is 1386899045, issued by NPPES.
Does Dr. Mary Beth Thier accept Medicare assignment?
Yes. Dr. Mary Beth Thier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Beth Thier commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.