Cynthia Knowlton, MSN, RN, PMHNP-BC
NPI 1629768197 · Psychiatric/Mental Health Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Knowlton, MSN, RN, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Phoenix, AZ (NPI 1629768197).
Provider details
- NPI number
- 1629768197
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, RN, PMHNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN291425 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 54 | 13 |
| Bupropion Hclbrand: Bupropion Xl | 46 | — |
| Trazodone Hcl | 43 | — |
| Lorazepam | 35 | — |
| Duloxetine Hcl | 28 | — |
| Fluoxetine Hcl | 27 | — |
| Buspirone Hcl | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$252 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 14502 W Meeker BlvdSun City, AZ 85375-5282Phone: (623) 524-4000
Registry dates
- Enumerated
- 2023-05-09
- Last updated
- 2023-10-19
- Certified
- 2023-10-19
Frequently asked questions
- What is Cynthia Knowlton's NPI number?
- Cynthia Knowlton's National Provider Identifier (NPI) is 1629768197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Knowlton's specialty?
- Cynthia Knowlton is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Knowlton located?
- Cynthia Knowlton's practice location on file with NPPES is 20440 N 27th Ave, Phoenix, AZ 85027-3240.
- What is Cynthia Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Knowlton is (480) 882-4545.
- Does Cynthia Knowlton accept Medicare?
- Cynthia Knowlton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Knowlton's NPI active?
- Yes — Cynthia Knowlton's NPI (1629768197) is active in the NPPES registry as of the last update on 2023-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.