PORTOLA MEDICAL SERVICES PC
NPI 1871962076
Clinic/Center - Urgent Care in Lake Forest, CA

Active since September 17, 2015CLIA Certified · 4 labs
29100 PORTOLA PKWY, SUITE B, LAKE FOREST, CA 92630(844) 254-6382(331) 442-4902 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 23, 2023, Jun 16, 2018, Sep 14, 2017 and 2 more (5 updates tracked since 2015).

About Portola Medical Services Pc NPPES

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

PORTOLA MEDICAL SERVICES PC (NPI 1871962076), doing business as Clineva Urgent Care, is a healthcare organization registered as an urgent care in Lake Forest, California and active in the NPI registry since September 2015. The organization holds 4 active CLIA laboratory certificates and lists Matthew A Zeller, Ceo, as its authorized official.

NPPES Registry Identity

NPI1871962076
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NamePORTOLA MEDICAL SERVICES PC
Location Address29100 PORTOLA PKWY, SUITE BLake Forest, CA 92630-8712
Mailing Address29100 Portola Pkwy, Suite BLake Forest, CA 92630-8712 · (844) 254-6382 · Fax (949) 535-1109
Fax(331) 442-4902
Organization SubpartNo
Authorized OfficialMatthew A ZellerCeo · (949) 813-9728
Enumeration DateSeptember 17, 2015
Last NPPES UpdateApril 17, 20255 updates tracked since enumeration
NPPES CertifiedApril 17, 2025
✔ NPI 1871962076 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
29100 PORTOLA PKWY, Lake Forest, CA 92630

Other Names 2

Doing Business AsClineva Urgent Care
Doing Business AsClineva Urgent Care Centers

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Portola Medical Services Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Portola Medical Services PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 6

Family Practice3
Nurse Practitioner3
Addiction Medicine1
Colorectal Surgery (Proctology)1
Emergency Medicine1
General Practice1

Clinicians, nearest first (10)

Nurse Practitioner
NPI 1154101988
29100 PORTOLA PKWY STE B
Lake Forest, CA 92630
(949) 431-0780
✔ PECOS✔ Accepts MedicareSame address
General Practice
NPI 1902240344
1 ICON
Foothill Ranch, CA 92610
(949) 900-7136
✔ PECOS0.7 mi
Family Practice
NPI 1700970332
25982 PALA SUITE 180
Mission Viejo, CA 92691
(949) 600-8990
✔ PECOS✔ Accepts Medicare3.2 mi
Emergency Medicine
NPI 1154352003
23962 ALICIA PKWY STE I-1
Mission Viejo, CA 92691
(949) 770-6000
✔ PECOS3.6 mi
Family Practice
NPI 1619201167
500 SUPERIOR AVE STE 160
Newport Beach, CA 92663
(949) 791-3006
✔ PECOS✔ Accepts Medicare16 mi
Nurse Practitioner
NPI 1023405537
333 CITY BLVD W SUITE 640
Orange, CA 92868
(714) 456-5239
✔ PECOS✔ Accepts Medicare16 mi
Family Practice
NPI 1417005737
17822 BEACH BLVD #325
Huntington Beach, CA 92647
(714) 843-6550
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1710441001
631 S BROOKHURST ST
Anaheim, CA 92804
(714) 991-5700
✔ PECOS✔ Accepts Medicare21 mi
Addiction Medicine
NPI 1457810285
12291 WASHINGTON BLVD STE 301
Whittier, CA 90606
(562) 698-0811
✔ PECOS✔ Accepts Medicare31 mi
Colorectal Surgery (Proctology)
NPI 1659531333
1441 EASTLAKE AVE
Los Angeles, CA 90033
(323) 865-3668
✔ PECOS✔ Accepts Medicare42 mi

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

CLIA Laboratory Certificates CMS CLIA 4

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2325413

Portola Medical Services PC · Lake Forest, CA
Active · expires Jun 10, 2027
CLIA Number05D2325413
Laboratory TypeUrgent Care
Certificate Effective DateJune 11, 2025
Certificate Expiration DateJune 10, 2027
Laboratory DirectorMatthew A. Zeller
Laboratory Phone(844) 254-6382
Laboratory LocationPortola Medical Services PC29100 Portola Pkwy, Ste B, Lake Forest, CA 92630
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2104660

Portola Medical Services, PC · Laguna Niguel, CA
Active · expires Nov 9, 2027
CLIA Number05D2104660
Laboratory TypeUrgent Care
Certificate Effective DateNovember 10, 2025
Certificate Expiration DateNovember 9, 2027
Laboratory DirectorMatthew A. Zeller, Do
Laboratory Phone(844) 254-6382
Laboratory LocationPortola Medical Services, PC25461 Rancho Niguel Road, Laguna Niguel, CA 92677
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2137854

Portola Medical Services, PC · Laguna Niguel, CA
Active · expires Oct 3, 2027
CLIA Number05D2137854
Laboratory TypeUrgent Care
Certificate Effective DateOctober 4, 2025
Certificate Expiration DateOctober 3, 2027
Laboratory DirectorMatthew A. Zeller
Laboratory Phone(844) 254-6382
Laboratory LocationPortola Medical Services, PC25461 Rancho Niguel Rd, Laguna Niguel, CA 92677
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2325414

Portola Medical Services PC · Yorba Linda, CA
Active · expires Jun 10, 2027
CLIA Number05D2325414
Laboratory TypeUrgent Care
Certificate Effective DateJune 11, 2025
Certificate Expiration DateJune 10, 2027
Laboratory DirectorMatthew A. Zeller
Laboratory Phone(844) 254-6382
Laboratory LocationPortola Medical Services PC20635 Yorba Linda Blvd, Yorba Linda, CA 92886
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Portola Medical Services PC's NPI number?

The NPI number for Portola Medical Services PC is 1871962076. It was assigned to this organization in the NPPES registry on September 17, 2015. The provider is doing business as Clineva Urgent Care and Clineva Urgent Care Centers.

Where is Portola Medical Services PC located?

Portola Medical Services PC is located at 29100 Portola Pkwy Suite B, Lake Forest, CA 92630. The listed phone number is (844) 254-6382.

What is Portola Medical Services PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.

Is Portola Medical Services PC enrolled in Medicare?

Yes. Portola Medical Services PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Portola Medical Services PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 6 Medicare specialties reassign their Medicare billing to Portola Medical Services PC. A 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 the clinician's services. The largest specialties are Family Practice (3), Nurse Practitioner (3) and Addiction Medicine (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Portola Medical Services PC hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Portola Medical Services PC was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.