Colleen McMahon
Psychiatric/Mental Health Nurse Practitioner · Diamondhead, MS
Colleen McMahon is a psychiatric/mental health nurse practitioner with a practice address in Diamondhead, Mississippi, and NPI 1922559012, issued on Oct 24, 2016. Check the license (Mississippi 901814, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colleen McMahon
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 901814 MS
Self-reported in NPPES; status is on the state search - Practice location
- 7826 Koko PL, Diamondhead, MS 39525
- Phone
- (228) 324-0974
- Enumerated
- Oct 24, 2016
- Record last updated
- Oct 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170530000368); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 624 in Mississippi → Look up another NPI →
Verify Colleen McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license 901814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.9 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
8,930 Medicare Part D claims for 260 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Clonazepam507 claims
- Quetiapine Fumarate500 claims
- Risperidone434 claims
- Olanzapine412 claims
- Fluoxetine Hcl386 claims
- Alprazolam366 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.
Industry payments in 2024: $398.93
25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Primesource Nursing Services, IncGulfport, MS
- Safe Harbor Clinic LLCLong Beach, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen McMahon among 624 psychiatric/mental health nurse practitioner records in Mississippi
Colleen McMahon is one of 624 psychiatric/mental health nurse practitioner records with a practice address in Mississippi. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 25% of them.
- NPI issued2016 · 25% of these records are older, 71% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2020 among the 366 with a school on file
- Record last updated2016 · 30% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 psychiatric/mental health nurse practitioner record lists a practice address in Diamondhead
They are 1 of the 71 NPPES records with a practice address in Diamondhead, and 624 psychiatric/mental health nurse practitioner records in Mississippi.
All 624 in Mississippi → Every provider in Diamondhead → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Dionna CrespoBiloxi, MS 395301912565698
- Debbie CurtisBiloxi, MS 395311114482429
- Teranika Douglas, PMHNP-BCBiloxi, MS 395311356874903
- Scott Drennan, APRNBiloxi, MS 395311467078220
- Tonya Fountain-Adams, NURSE PRACTITIONERBiloxi, MS 395311841819471
- Nancy Green, PMHNP-BCBiloxi, MS 395311982144754
- Cynthia Johnson, PMHNP-BCBiloxi, MS 395311205350410
- Lakierria Knight, PMHNPBiloxi, MS 395311710505425
Common questions
What is Colleen McMahon's NPI number?
Colleen McMahon's National Provider Identifier (NPI) is 1922559012, issued on Oct 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Colleen McMahon located?
The NPPES record lists a practice address at 7826 Koko PL, Diamondhead, MS, 39525. Phone: (228) 324-0974. Providers update this record themselves, so call before visiting.
How can I verify Colleen McMahon's license?
NPPES lists Mississippi license number 901814, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does Colleen McMahon prescribe under Medicare Part D?
In 2024, Colleen McMahon had 8,930 Medicare Part D claims for 260 beneficiaries; 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.