NPPES file of Aug 9, 2026

Christy Callahan, PMHNP-BC, CRNP

Psychiatric/Mental Health Nurse Practitioner · Severna Park, MD

Christy Callahan, PMHNP-BC, CRNP is a psychiatric/mental health nurse practitioner with a practice address in Severna Park, Maryland, and NPI 1508237512, issued on Oct 16, 2015. Check the license (Maryland R196354, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508237512
Name
Christy Callahan
Credential
PMHNP-BC, CRNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
R196354 MD
Self-reported in NPPES; status is on the state search
Practice location
539 Benfield RD Ste 2, Severna Park, MD 21146
Phone
(410) 513-4513
Enumerated
Oct 16, 2015
Record last updated
Jul 12, 2024
Fax
(989) 217-5103
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 539 Benfield RD Ste 2

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexandra Robinson, LCSW-CMental Health Counselor1962883769

Verify Christy Callahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R196354
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

20 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Christy Callahan20
  2. Specialty average906

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.

Industry payments in 2024: $268.48

3 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christy Callahan$268.48
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Christy Callahan among 2,373 psychiatric/mental health nurse practitioner records in Maryland

Christy Callahan, PMHNP-BC, CRNP 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 2015, is newer than 19% of them.

  • NPI issued2015 · 19% of these records are older, 78% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • 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).

6 psychiatric/mental health nurse practitioner records list a practice address in Severna Park

They are 6 of the 701 NPPES records with a practice address in Severna Park, and 2,373 psychiatric/mental health nurse practitioner records in Maryland.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Kelly Bartz, CRNP-PMHSeverna Park, MD 211461811476096
  2. Danielle Mitsch, PMHNP-BCSeverna Park, MD 211461063081206
  3. Orobola Okusanya, NPSeverna Park, MD 211461669348421
  4. Olukemi Omogoke, MDSeverna Park, MD 211461801365689
  5. James Perritt, NPSeverna Park, MD 211461790276988
  6. Zekarias AbessaSevern, MD 211441659198729
  7. Ganiyat Adeyemo, CRNPSevern, MD 211441588113351
  8. Adeline AzongSevern, MD 211441548951817

Common questions

What is Christy Callahan, PMHNP-BC, CRNP's NPI number?

Christy Callahan, PMHNP-BC, CRNP's National Provider Identifier (NPI) is 1508237512, issued on Oct 16, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christy Callahan, PMHNP-BC, CRNP located?

The NPPES record lists a practice address at 539 Benfield RD Ste 2, Severna Park, MD, 21146. Phone: (410) 513-4513. Providers update this record themselves, so call before visiting.

How can I verify Christy Callahan, PMHNP-BC, CRNP's license?

NPPES lists Maryland license number R196354, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Christy Callahan, PMHNP-BC, CRNP prescribe under Medicare Part D?

In 2024, Christy Callahan, PMHNP-BC, CRNP had 20 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

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.