Diana April Muckler, APNP, PMHNP-BC
NPI 1184279739 · Psychiatric/Mental Health Nurse Practitioner · Folsom, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana April Muckler, APNP, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Folsom, CA (NPI 1184279739).
Provider details
- NPI number
- 1184279739
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP, PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 816285 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
25 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
316 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 206 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $77 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 54 | $150 |
Typical Medicare-allowed amounts for these services range $77–$150 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 255 | 13 |
| Trazodone Hcl | 102 | — |
| Quetiapine Fumarate | 100 | — |
| Aripiprazole | 89 | — |
| Mirtazapine | 82 | — |
| Risperidone | 77 | — |
| Buspirone Hcl | 76 | — |
Practice location
Mailing address
Additional practice locations (24)
- 1101 Maidu DrAuburn, CA 95603-5864Phone: (916) 351-9400
- 5441 Aldrin Ct Ste aBakersfield, CA 93313-2194Phone: (916) 351-9400
- 2062 Talbert Dr Ste 100Chico, CA 95928-7718Phone: (916) 351-9400
- 1245 W 6th StCorona, CA 92882-1870Phone: (916) 351-9400
- 2345 Fletcher PkwyEl Cajon, CA 92020-2134Phone: (916) 351-9400
- 9381 E Stockton Blvd Ste 220Elk Grove, CA 95624-5070Phone: (916) 351-9400
- 15720 Ventura Blvd Ste 210Encino, CA 91436-2954Phone: (916) 351-9400
- 622 Jackson St Unit 103Fairfield, CA 94533-6195Phone: (916) 351-9400
- 44240 Fremont BlvdFremont, CA 94538-6000Phone: (916) 351-9400
Registry dates
- Enumerated
- 2019-08-09
- Last updated
- 2026-03-23
- Certified
- 2026-03-23
Frequently asked questions
- What is Diana April Muckler's NPI number?
- Diana April Muckler's National Provider Identifier (NPI) is 1184279739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana April Muckler's specialty?
- Diana April Muckler is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diana April Muckler located?
- Diana April Muckler's practice location on file with NPPES is 510 Plaza Dr Ste 170, Folsom, CA 95630-4790.
- What is Diana April Muckler's phone number?
- The practice phone number listed in the NPPES registry for Diana April Muckler is (916) 351-9400.
- Does Diana April Muckler accept Medicare?
- Diana April Muckler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana April Muckler's NPI active?
- Yes — Diana April Muckler's NPI (1184279739) is active in the NPPES registry as of the last update on 2026-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.