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BRENDAN CERK MD
NPI 1558716357
Internal Medicine - Rheumatology in Los Angeles, CA

Active since April 28, 2016PECOS EnrolledAccepts Medicare Assignment
76.26/100
CMS Quality Rating
1245 WILSHIRE BLVD STE 307, LOS ANGELES, CA 90017(213) 482-2770(562) 967-2468 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 27, 2025, Sep 14, 2021, Dec 18, 2019 (3 updates tracked since 2019).

About Brendan Cerk Md NPPES

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

BRENDAN CERK MD (NPI 1558716357) is an individual rheumatology provider in Los Angeles, California, licensed in California (A154575) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Whittier, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1558716357
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameBRENDAN CERKCredential: MD
Location Address1245 WILSHIRE BLVD STE 307Los Angeles, CA 90017-4803
Mailing Address1245 Wilshire Blvd Ste 307Los Angeles, CA 90017-4803 · (213) 482-2770 · Fax (562) 967-2468
Phone(213) 482-2770
Fax(562) 967-2468
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 28, 2016
Last NPPES UpdateMay 27, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2021
✔ NPI 1558716357 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · A154575
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1245 WILSHIRE BLVD STE 307, Los Angeles, CA 90017
Open in Google Maps ↗

Secondary Practice Location 1

Location 112462 Putnam St Ste 402Whittier, CA 90602-1049 · Phone (562) 967-2788 · Fax (562) 789-4468

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

Brendan Cerk Md 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 ID3971843178
PECOS Enrollment IDI20211026001834
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

2

Medicare enrollment records show Brendan Cerk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pih Health Physicians
Same address
Interventional Cardiology
1245 WILSHIRE BLVD STE 570&580
Los Angeles, CA 90017
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
NPI 1356928444 (213) 977-0419
Southern California Permanente Medical Group
3.4 mi
Health Maintenance Organization
4760 W SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1134151657 (323) 783-4011

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

Areas of Expertise CMS Part B claims 6

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.

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.
75 services38 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
56 services33 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services26 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
28 services28 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
21 services14 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90017 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality62.74
Improvement Activities40
Cost59.29

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 Brendan Cerk's NPI number?

The NPI number for Brendan Cerk is 1558716357. It was assigned to this individual provider in the NPPES registry on April 28, 2016.

Where is Brendan Cerk located?

Brendan Cerk practices at 1245 Wilshire Blvd Ste 307, Los Angeles, CA 90017. The listed phone number is (213) 482-2770.

What is Brendan Cerk's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Brendan Cerk enrolled in Medicare?

Yes. Brendan Cerk 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 Brendan Cerk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brendan Cerk reassigns Medicare benefits to 2 organizations: Pih Health Physicians (Los Angeles, CA) and Southern California Permanente Medical Group (Los Angeles, CA). 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 Brendan Cerk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Brendan Cerk was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.