Tammy Acker, PMH-NP
Psychiatric/Mental Health Nurse Practitioner · Timonium, MD
Tammy Acker, PMH-NP is a psychiatric/mental health nurse practitioner with a practice address in Timonium, Maryland, and NPI 1225384431, issued on Jul 25, 2012. Check the license (Maryland R188521, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammy Acker
- Credential
- PMH-NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- R188521 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1931 Greenspring Drive, Timonium, MD 21093
- Phone
- (410) 453-9553
- Enumerated
- Jul 25, 2012
- Record last updated
- Sep 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20240307003866); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,373 in Maryland → Look up another NPI →
Verify Tammy Acker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R188521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
159 Medicare Part D claims for 23 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Divalproex Sodium26 claims
- Olanzapine21 claims
- Benztropine Mesylate14 claims
- Lithium Carbonate Er14 claims
- Haloperidol13 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): 84.8 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 one group practice
- Way Station IncGermantown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tammy Acker among 2,373 psychiatric/mental health nurse practitioner records in Maryland
Tammy Acker, PMH-NP is one of 2,373 psychiatric/mental health nurse practitioner records with a practice address in Maryland. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 9% of them.
- NPI issued2012 · 9% of these records are older, 86% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2012 · median 2021 among the 1,409 with a school on file
- Record last updated2024 · 19% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 psychiatric/mental health nurse practitioner records list a practice address in Timonium
They are 11 of the 612 NPPES records with a practice address in Timonium, and 2,373 psychiatric/mental health nurse practitioner records in Maryland.
All 2,373 in Maryland → Every provider in Timonium → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Margaret Balacki, MSN-CRNP/PMHLutherville, MD 210931730108119
- Adonaca BarrettLutherville, MD 210931295763266
- Robyn Blake-Manning, PMHNP-BCLutherville, MD 210931336374826
- Nicole Conkling, CRNPTimonium, MD 210931053602763
- Victoria Hudak, CRNPLutherville Timonium, MD 210931811249824
- Barbara Lee, CRNP, AP-MHLutherville, MD 210931518119312
- Emma Mangano, PMH-NPLutherville Timonium, MD 210931750716981
- Ashley McKenzie, CRNP-PMHLuthvle Timon, MD 210931346501616
Common questions
What is Tammy Acker, PMH-NP's NPI number?
Tammy Acker, PMH-NP's National Provider Identifier (NPI) is 1225384431, issued on Jul 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Acker, PMH-NP located?
The NPPES record lists a practice address at 1931 Greenspring Drive, Timonium, MD, 21093. Phone: (410) 453-9553. Providers update this record themselves, so call before visiting.
How can I verify Tammy Acker, PMH-NP's license?
NPPES lists Maryland license number R188521, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Tammy Acker, PMH-NP prescribe under Medicare Part D?
In 2024, Tammy Acker, PMH-NP had 159 Medicare Part D claims for 23 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
What is Tammy Acker, PMH-NP's MIPS final score?
The 2023 MIPS final score is 84.8 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.