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PATRICIA THALKEN LASH FNP
NPI 1245519172
Nurse Practitioner - Family in Costa Mesa, CA

Active since August 09, 2011PECOS EnrolledAccepts Medicare Assignment
1190 BAKER STREET, 100, COSTA MESA, CA 92659(714) 668-2500(714) 668-2515 Get Directions Write a Review

NPPES record last updated: August 9, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Patricia Thalken Lash Fnp NPPES

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

PATRICIA THALKEN LASH FNP (NPI 1245519172) is an individual family provider in Costa Mesa, California, licensed in California (20933) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1245519172
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NamePATRICIA THALKEN LASHCredential: FNP
Location Address1190 BAKER STREET, 100Costa Mesa, CA 92659
Mailing AddressP.o.box 3699Newport Beach, CA 92659-3699 · (714) 668-2500 · Fax (714) 668-2515
Phone(714) 668-2500
Fax(714) 668-2515
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateAugust 9, 2011
✔ NPI 1245519172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 20933
1190 BAKER STREET, Costa Mesa, CA 92659
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Patricia Thalken Lash Fnp 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 ID5395917322
PECOS Enrollment IDI20111017000286
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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
87 services86 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
57 services57 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92659 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Patricia Lash's NPI number?

The NPI number for Patricia Lash is 1245519172. It was assigned to this individual provider in the NPPES registry on August 9, 2011.

Where is Patricia Lash located?

Patricia Lash practices at 1190 Baker Street 100, Costa Mesa, CA 92659. The listed phone number is (714) 668-2500.

What is Patricia Lash's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Patricia Lash enrolled in Medicare?

Yes. Patricia Lash 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.

When was this NPI record last updated?

The NPPES record for Patricia Lash was last updated on August 9, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.