Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA APRIL MUCKLER APNP, PMHNP-BC
NPI 1184279739
Nurse Practitioner - Psychiatric/Mental Health in Folsom, CA

Active since August 09, 2019PECOS Enrolled
510 PLAZA DR STE 170, FOLSOM, CA 95630(916) 351-9400(916) 351-9449 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 23, 2026, Mar 20, 2026, Dec 9, 2024 and 2 more (5 updates tracked since 2019).

About Diana April Muckler Apnp, Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA APRIL MUCKLER APNP, PMHNP-BC (NPI 1184279739) is an individual psychiatric/mental health provider in Folsom, California, licensed in California (NP95028669) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and maintains 33 additional practice locations.

NPPES Registry Identity

NPI1184279739
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameDIANA APRIL MUCKLERCredential: APNP, PMHNP-BC
Location Address510 PLAZA DR STE 170Folsom, CA 95630-4790
Mailing Address510 Plaza Dr Ste 170Folsom, CA 95630-4790 · (916) 351-9400 · Fax (916) 351-9449
Fax(916) 351-9449
Sole ProprietorNo
Enumeration DateAugust 9, 2019
Last NPPES UpdateJune 22, 20265 updates tracked since enumeration
NPPES CertifiedJune 22, 2026
NPI 1184279739 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses Licensed in CA · NP95028669 Licensed in WI · 9428-33
Also ListedRegistered NurseTaxonomy 163W00000X · License 816285 (CA), 189932-30 (WI)
510 PLAZA DR STE 170, Folsom, CA 95630

Secondary Practice Locations 33

Location 11254 Mission St Ste 220San Francisco, CA 94103-2706 · Phone (916) 351-9400
Location 22386 Fair Oaks BlvdSacramento, CA 95825-4741 · Phone (916) 351-9400
Location 315720 Ventura Blvd Ste 210Encino, CA 91436-2954 · Phone (916) 351-9400
Location 41825 N Oxnard Blvd Ste 19Oxnard, CA 93030-3503 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 5355 W Olive Ave Ste 3El Centro, CA 92243-3043 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 655 Hitchcock Way Ste 209Santa Barbara, CA 93105-5635 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 75441 Aldrin Ct Ste ABakersfield, CA 93313-2194 · Phone (916) 351-9400
Location 84025 N Fresno StFresno, CA 93726-4026 · Phone (916) 351-9400
Location 92955 Main St Ste 110-KIrvine, CA 92614-5909 · Phone (916) 351-9400
Location 102008 W Dorothea Ave Ste 203Visalia, CA 93277-7300 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 11509 13th St Ste 8Modesto, CA 95354-2444 · Phone (916) 351-9400
Location 122222 Pacific AveStockton, CA 95204-5334 · Phone (916) 351-9400
Location 137177 Brockton Ave Ste 444ARiverside, CA 92506-2635 · Phone (916) 351-9400
Location 142345 Fletcher PkwyEl Cajon, CA 92020-2134 · Phone (916) 351-9400
Location 15888 4th St Ste 12San Rafael, CA 94901-3284 · Phone (916) 351-9400
Location 16225 W Hospitality Ln # 225201PSan Bernardino, CA 92408-3237 · Phone (916) 351-9400
Location 171040 Park Ave Ste 200-ASan Jose, CA 95126-3075 · Phone (916) 351-9400
Location 183200 4th Ave Ste 200GSan Diego, CA 92103-5716 · Phone (916) 351-9400
Location 191372 N Main St Ste 206-1Walnut Creek, CA 94596-4692 · Phone (916) 351-9400
Location 202062 Talbert Dr Ste 100Chico, CA 95928-7718 · Phone (916) 351-9400
Location 213711 Long Beach Blvd Ste 4045Long Beach, CA 90807-3320 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 22414 W 21st StMerced, CA 95340-3718 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 2330 E San Joaquin St Ste 203BSalinas, CA 93901-2947 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 24634 H StEureka, CA 95501-1053 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 25169 Hartnell Ave Ste 110Redding, CA 96002-1849 · Phone (916) 351-9400 · Fax (916) 351-9449
Location 26622 Jackson St Unit 103Fairfield, CA 94533-6195 · Phone (916) 351-9400
Location 2744240 Fremont BlvdFremont, CA 94538-6000 · Phone (916) 351-9400
Location 281245 W 6th StCorona, CA 92882-1870 · Phone (916) 351-9400
Location 292440 Professional DrRoseville, CA 95661-7773 · Phone (916) 351-9400
Location 309381 E Stockton Blvd Ste 220Elk Grove, CA 95624-5070 · Phone (916) 351-9400
Location 311101 Maidu DrAuburn, CA 95603-5864 · Phone (916) 351-9400
Location 327365 Carnelian St Ste 222FRancho Cucamonga, CA 91730-1157 · Phone (916) 351-9400
Location 331501 W Cameron Ave Ste 300-129West Covina, CA 91790-2724 · Phone (916) 351-9400

Other Identifiers 1

Medicaid1083728612WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Diana April Muckler Apnp, Pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
206 services38 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
56 services18 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
54 services54 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95630 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
510 PLAZA DR STE 170
FOLSOM, CA 95630
Nurse Practitioner (Psychiatric/Mental Health)
510 PLAZA DR STE 170
FOLSOM, CA 95630
Nurse Practitioner (Psychiatric/Mental Health)
510 PLAZA DR STE 170
FOLSOM, CA 95630
Nurse Practitioner (Psychiatric/Mental Health)
510 PLAZA DR STE 170
FOLSOM, CA 95630
Nurse Practitioner (Psychiatric/Mental Health)
510 PLAZA DR STE 170
FOLSOM, CA 95630
Nurse Practitioner (Psychiatric/Mental Health)
510 PLAZA DR STE 170
FOLSOM, CA 95630
Clinic/Center (Mental Health (Including Community Mental Health Center))
510 PLAZA DR STE 170
FOLSOM, CA 95630
Nurse Practitioner (Psychiatric/Mental Health)
510 PLAZA DR STE 170
FOLSOM, CA 95630

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana April Muckler's NPI number?

The NPI number for Diana April Muckler is 1184279739. It was assigned to this individual provider in the NPPES registry on August 9, 2019.

Where is Diana April Muckler located?

Diana April Muckler practices at 510 Plaza Dr Ste 170, Folsom, CA 95630. The listed phone number is (916) 351-9400.

What is Diana April Muckler's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Diana April Muckler enrolled in Medicare?

Yes. Diana April Muckler is registered in the Medicare PECOS enrollment system.

What insurance does Diana April Muckler accept?

Health plans from Medica and Oscar Insurance Company list Diana April Muckler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Diana April Muckler was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.