Margaret M. Mack, PHD., MA, APRN BC
Adult Psychiatric/Mental Health Clinical Nurse Specialist · Wilmington, DE
Margaret M. Mack, PHD., MA, APRN BC is an adult psychiatric/mental health clinical nurse specialist with a practice address in Wilmington, Delaware, and NPI 1962618686, issued on May 16, 2007. Check the license (Delaware LE-0000123, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret M. Mack
- Credential
- PHD., MA, APRN BC
- Primary taxonomy
- Adult Psychiatric/Mental Health Clinical Nurse Specialist 364SP0809X
- License number
- LE-0000123 DE
Self-reported in NPPES; status is on the state search - Practice location
- 10 Guyenne RD, Wilmington, DE 19807
- Phone
- (302) 530-0358
- Enumerated
- May 16, 2007
- Record last updated
- Jun 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171218002941); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
5 nearest adult psychiatric/mental health clinical nurse specialist records → All 6 in Delaware → Look up another NPI →
Verify Margaret M. Mack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license LE-0000123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average adult psychiatric/mental health clinical nurse specialist in 2024
491 Medicare Part D claims for 40 beneficiaries, against an average of 1,167 among the 347 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Lamotrigine55 claims
- Trazodone Hcl48 claims
- Buspirone Hcl39 claims
- Mirtazapine38 claims
- Quetiapine Fumarate33 claims
- Bupropion Xl26 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: $1,323.62
48 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 205 providers of this specialty with any payment received $1,467.46 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 one group practice
- Delaware Psychiatry, LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adult Psychiatric/Mental Health Clinical Nurse Specialist providers in Delaware
There are 6 adult psychiatric/mental health clinical nurse specialist records in Delaware.
All 6 in Delaware → Every provider in Wilmington → Adult Psychiatric/Mental Health Clinical Nurse Specialist nationwide →
The 5 adult psychiatric/mental health clinical nurse specialist records with the nearest ZIP codes
- Rebecca Benson, DNP,MSN,CS-PWilmington, DE 198081124291133
- Charlie Chaney, APNWilmington, DE 198011629116546
- Guilford Hurst, A.P.N.Wilmington, DE 198011467779256
- David Lipscomb, PMHCNS-BCNewark, DE 197131942432281
- Caren Coffy-McCormick, APRNMiddletown, DE 197091043461627
Common questions
What is Margaret M. Mack, PHD., MA, APRN BC's NPI number?
Margaret M. Mack, PHD., MA, APRN BC's National Provider Identifier (NPI) is 1962618686, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret M. Mack, PHD., MA, APRN BC located?
The NPPES record lists a practice address at 10 Guyenne RD, Wilmington, DE, 19807. Phone: (302) 530-0358. Providers update this record themselves, so call before visiting.
How can I verify Margaret M. Mack, PHD., MA, APRN BC's license?
NPPES lists Delaware license number LE-0000123, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret M. Mack, PHD., MA, APRN BC prescribe under Medicare Part D?
In 2024, Margaret M. Mack, PHD., MA, APRN BC had 491 Medicare Part D claims for 40 beneficiaries; the average among adult psychiatric/mental health clinical nurse specialist prescribers was 1,167. 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.