Marcus Nielson, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ
Marcus Nielson, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1376257170, issued on Jan 6, 2023. Check the license (Arizona 301764, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcus Nielson
- Credential
- PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 301764 AZ
RN168434 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2355 E Camelback RD Ste 625, Phoenix, AZ 85016
- Phone
- (480) 581-8536
- Enumerated
- Jan 6, 2023
- Record last updated
- May 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20240417003515); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,887 in Arizona → Look up another NPI →
Also registered at 2355 E Camelback RD Ste 625
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marci Bastien, NPPsychiatric/Mental Health Nurse Practitioner1811304272
- Nathaniel Brooks, M.D.Psychiatry Physician1659728731
- Christian Gerwe, MDPsychiatry Physician1245734375
- Dallas Martell, PMHNPPsychiatric/Mental Health Nurse Practitioner1962237917
- Winnie Muriuki, PMHNPPsychiatric/Mental Health Nurse Practitioner1285410555
- Naomi Park, MDPsychiatry Physician1710293675
Verify Marcus Nielson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 301764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
31 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
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: $899.29
51 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 one group practice
- Serenity Tms Centers LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcus Nielson among 1,887 psychiatric/mental health nurse practitioner records in Arizona
Marcus Nielson, PMHNP-BC is one of 1,887 psychiatric/mental health nurse practitioner records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 68% of them.
- NPI issued2023 · 68% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2023 · median 2020 among the 1,079 with a school on file
- Record last updated2026 · 23% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
548 psychiatric/mental health nurse practitioner records list a practice address in Phoenix
They are 548 of the 31,399 NPPES records with a practice address in Phoenix, and 1,887 psychiatric/mental health nurse practitioner records in Arizona.
All 1,887 in Arizona → Every provider in Phoenix → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Belinda Anderson, PMHNP-BC AND FNP-CPhoenix, AZ 850161982962676
- Annette Atkinson-Meiklejohn, PMHNPPhoenix, AZ 850161477818540
- Marci Bastien, NPPhoenix, AZ 850161811304272
- Kelly England, FNP-C, PMHNP-BCPhoenix, AZ 850161164667739
- Marilyn Kieffer-Andrews, RNP, PH.D.Phoenix, AZ 850161285787218
- Ashley Lawrence, NPPhoenix, AZ 850161881084655
- Marian Letellier, NPPhoenix, AZ 850161851324255
- Deborah Price, NPPhoenix, AZ 850161144314600
Common questions
What is Marcus Nielson, PMHNP-BC's NPI number?
Marcus Nielson, PMHNP-BC's National Provider Identifier (NPI) is 1376257170, issued on Jan 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Marcus Nielson, PMHNP-BC located?
The NPPES record lists a practice address at 2355 E Camelback RD Ste 625, Phoenix, AZ, 85016. Phone: (480) 581-8536. Providers update this record themselves, so call before visiting.
How can I verify Marcus Nielson, PMHNP-BC's license?
NPPES lists Arizona license number 301764, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Marcus Nielson, PMHNP-BC prescribe under Medicare Part D?
In 2024, Marcus Nielson, PMHNP-BC had 31 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.