Ann L. Hackman, M.D
Psychiatry Physician · Baltimore, MD
Ann L. Hackman, M.D is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1083625834, issued on Aug 10, 2006. Check the license (Maryland D45491, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ann L. Hackman
- Credential
- M.D
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D45491 MD
Self-reported in NPPES; status is on the state search - Practice location
- 701 W Pratt St, Baltimore, MD 21201
- Phone
- (410) 328-5881
- Enumerated
- Aug 10, 2006
- Record last updated
- Feb 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (410) 328-8552
- Medicare enrollment
- Enrolled (PECOS I20110104000146); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,451 in Maryland → Look up another NPI →
Also registered at 701 W Pratt St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Curtis Adams, MDPsychiatry Physician1033139258
- Sumaiya AhmedStudent in an Organized Health Care Education/Training Program1548109747
- Marie Rose Alam, M.D.Psychiatry Physician1477877926
- Karen Anderson, M.DPsychiatry Physician1891718359
- Anthony Arnette, DOStudent in an Organized Health Care Education/Training Program1952005662
- Rebecca AronsonPsychologist1447813126
Verify Ann L. Hackman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D45491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average psychiatry physician in 2024
1,678 Medicare Part D claims for 49 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Olanzapine310 claims
- Benztropine Mesylate168 claims
- Divalproex Sodium115 claims
- Trazodone Hcl105 claims
- Clonazepam88 claims
- Aripiprazole83 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- University OF Maryland Medical Center, LLCBaltimore, MD
- University OF Maryland Psychiatry Associates PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann L. Hackman among 1,451 psychiatry physician records in Maryland
Ann L. Hackman, M.D is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated1990 · median 2000 among the 525 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
497 psychiatry physician records list a practice address in Baltimore
They are 497 of the 35,183 NPPES records with a practice address in Baltimore, and 1,451 psychiatry physician records in Maryland.
All 1,451 in Maryland → Every provider in Baltimore → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Curtis Adams, MDBaltimore, MD 212011033139258
- Theodora Balis, M.DBaltimore, MD 212011649291717
- Vickie Beck, R.N.Baltimore, MD 212011902827058
- Milton Buschman, MDBaltimore, MD 212011548242373
- John Butchart, MDBaltimore, MD 212011831150820
- Joseph Griffin, M.D.Baltimore, MD 212011811996366
- Brian Hastings, M.D.Baltimore, MD 212011346261328
- Bruce Kaup, M.D.Baltimore, MD 212011790747673
Common questions
What is Ann L. Hackman, M.D's NPI number?
Ann L. Hackman, M.D's National Provider Identifier (NPI) is 1083625834, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann L. Hackman, M.D located?
The NPPES record lists a practice address at 701 W Pratt St, Baltimore, MD, 21201. Phone: (410) 328-5881. Providers update this record themselves, so call before visiting.
How can I verify Ann L. Hackman, M.D's license?
NPPES lists Maryland license number D45491, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ann L. Hackman, M.D prescribe under Medicare Part D?
In 2024, Ann L. Hackman, M.D had 1,678 Medicare Part D claims for 49 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Ann L. Hackman, M.D's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.