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MR. SEAN PATRICK LEONARD PMHNP
NPI 1518458165
Nurse Practitioner - Psychiatric/Mental Health in Oceanside, CA

Active since May 18, 2018PECOS EnrolledAccepts Medicare Assignment
3609 OCEAN RANCH BLVD STE 208&209, OCEANSIDE, CA 92056(858) 279-1223(858) 467-7161 Get Directions Write a Review

NPPES record last updated: May 22, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 22, 2026, Nov 26, 2025, May 12, 2025 and 1 more (4 updates tracked since 2018).

About Mr. Sean Patrick Leonard Pmhnp NPPES

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

MR. SEAN PATRICK LEONARD PMHNP (NPI 1518458165) is an individual psychiatric/mental health provider in Oceanside, California, licensed in California (95009094) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1518458165
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. SEAN PATRICK LEONARDCredential: PMHNP
Location Address3609 OCEAN RANCH BLVD STE 208&209Oceanside, CA 92056-2698
Mailing Address3609 Ocean Ranch Blvd Ste 208&209Oceanside, CA 92056-2698 · (858) 279-1223 · Fax (858) 467-7161
Phone(858) 279-1223
Fax(858) 467-7161
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateMay 18, 2018
Last NPPES UpdateMay 22, 20264 updates tracked since enumeration
NPPES CertifiedMay 22, 2026
✔ NPI 1518458165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95009094
3609 OCEAN RANCH BLVD STE 208&209, Oceanside, CA 92056
Open in Google Maps ↗

Secondary Practice Locations 5

Location 12100 Palomar Airport Rd Ste 214-16Carlsbad, CA 92011-4402 · Phone (562) 665-6654
Location 28555 W Hackamore Dr Ste 250Boise, ID 83709-1605 · Phone (562) 665-6654 · Fax (949) 606-9313
Location 31166 Sagewood DrOceanside, CA 92056-6464 · Phone (562) 665-6654 · Fax (949) 606-9313
Location 48130 E Cactus rd Ste 510, office 1Scottsdale, AZ 85260-5263 · Phone (562) 665-6654
Location 5158 Rockaway RdOak View, CA 93022-9306 · Phone (805) 237-8798

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Providence Health Plan, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Sean Patrick Leonard Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214291731
PECOS Enrollment IDI20190102001084
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Sean Leonard reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health Systems, Inc.
1.8 mi
Community/Behavioral Health
2122 S EL CAMINO REAL STE 102
Oceanside, CA 92054
  • Reassigned Medicare billing, California enrollment
  • 74 clinicians in this Medicare group
NPI 1649796012 (760) 290-8170
Senior Medical Associates, Inc.
32 mi
Geriatric Medicine
2810 CAMINO DEL RIO S, STE 102
San Diego, CA 92108
  • Reassigned Medicare billing, California enrollment
  • 98 clinicians in this Medicare group
NPI 1629253505 (858) 385-1419
Bobby Nourani D.O Medical Corporation
37 mi
Neuromuscular Medicine
23101 LAKE CENTER DR STE 315
Lake Forest, CA 92630
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Bobby Nourani Do Medical Corporation
  • 2 clinicians in this Medicare group
NPI 1427673573 (562) 546-2811
Jason Kellogg M.D. Inc
43 mi
Psychiatry
123 TURQUOISE AVE
Newport Beach, CA 92662
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Jason Kellogg MD Inc
  • 25 clinicians in this Medicare group
NPI 1235391624 (949) 340-2111
Pacific Coast Psychiatric Associates Inc
312 mi
Clinical
7373 N SCOTTSDALE RD STE A199
Scottsdale, AZ 85253
  • Reassigned Medicare billing, California enrollment
  • 766 clinicians in this Medicare group
NPI 1023125465 (702) 805-5360
Nugen Psychiatry PC
718 mi
Nurse Practitioner
8555 W HACKAMORE DR STE 250
Boise, ID 83709
  • Reassigned Medicare billing, Arizona, California and Idaho enrollments
NPI 1932982428 (562) 665-6654

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92056 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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 18

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

MS. VICTORIA LEE BELMONTE LMFT
Marriage & Family Therapist
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223
MELODY JANE JAMES PMHCNS-BC, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223
MS. KATHLEEN DEE DALE LMFT
Marriage & Family Therapist
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223
MRS. MICHELLE JO ANNE NEEDHAM LMFT
Marriage & Family Therapist
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223
SUZANNE MARIE SIMMONS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223
BRADLEY SCOTT HEWITT LMFT
Marriage & Family Therapist
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223
BARBARA GLORIA-ESCOBEDO NUNLEY LMFT
Marriage & Family Therapist
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223
STEPHANIE JO FRIGO LPCC
Counselor (Professional)
3609 OCEAN RANCH BLVD STE 208&209
OCEANSIDE, CA 92056
San Diego County (858) 279-1223

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 Sean Leonard's NPI number?

The NPI number for Sean Leonard is 1518458165. It was assigned to this individual provider in the NPPES registry on May 18, 2018.

Where is Sean Leonard located?

Sean Leonard practices at 3609 Ocean Ranch Blvd Ste 208&209, Oceanside, CA 92056. The listed phone number is (858) 279-1223.

What is Sean Leonard's specialty?

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

Is Sean Leonard enrolled in Medicare?

Yes. Sean Leonard is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sean Leonard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Leonard reassigns Medicare benefits to 6 organizations: Mental Health Systems, Inc. (Oceanside, CA), Senior Medical Associates, Inc. (San Diego, CA), Bobby Nourani D.O Medical Corporation (Lake Forest, CA), Jason Kellogg M.D. Inc (Newport Beach, CA), Pacific Coast Psychiatric Associates Inc (Scottsdale, AZ) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Leonard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sean Leonard accept?

Health plans from Oscar Insurance Company, Providence Health Plan and UnitedHealthcare list Sean Leonard 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 Sean Leonard was last updated on May 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.