Doctor profile · Federal record

Dr. Ann Hackman, M.D

Psychiatry Physician (CMS: Psychiatry) · Baltimore, MD

  • NPI 1083625834
  • Accepts Medicare
  • MIPS 98.3 / 100 · 2023
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 W Pratt St, 3Rd. Flr
Baltimore, MD 212011023
(410) 328-5881
fax (410) 328-8552

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 11, 2008
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Maryland #D45491

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083625834. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
81
Distinct HCPCS
2
Medicare allowed
$6,346
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 51 23 $84
99213 Established patient office or other outpatient visit, 20-29 minutes 30 11 $69

In context: peer comparison

Among 86 peers in this city , average services per provider: 108. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,326
Patients
49
Total drug cost
$166,002
Drug Type Claims Patients Total cost
Olanzapine Generic 340 11 $4,074
Benztropine Mesylate Generic 217 14 $2,140
Haloperidol Decanoate Generic 102 0 $2,824
Clonazepam Generic 97 12 $1,090
Trazodone Hcl Generic 89 12 $1,254
Divalproex Sodium Generic 87 0 $2,125
Aripiprazole Generic 78 0 $9,869
Lithium Carbonate Generic 58 0 $291
Risperidone Generic 52 0 $600
Clozapine Generic 41 0 $2,711

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Hackman's medical specialty?
Dr. Ann Hackman practices Psychiatry Physician in Baltimore, MD.
Where does Dr. Ann Hackman practice?
Dr. Ann Hackman practices at 701 W Pratt St, Baltimore, MD 212011023. Office phone: 4103285881.
What is Dr. Ann Hackman's NPI?
Dr. Ann Hackman's National Provider Identifier (NPI) is 1083625834, issued by NPPES.
Does Dr. Ann Hackman accept Medicare assignment?
Yes. Dr. Ann Hackman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Hackman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.