JOANNIE MAE CATHEY COOK MD
NPI 1780737981
Internal Medicine in Los Angeles, CA

Active since January 19, 2007PECOS EnrolledAccepts Medicare Assignment
231 W VERNON AVE, STE 204, LOS ANGELES, CA 90037(310) 724-7448(323) 232-6784 Get Directions Write a Review

NPPES record last updated: December 4, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Joannie Mae Cathey Cook Md NPPES

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

JOANNIE MAE CATHEY COOK MD (NPI 1780737981) is an individual internal medicine provider in Los Angeles, California, licensed in California (A33575) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (1976).

NPPES Registry Identity

NPI1780737981
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJOANNIE MAE CATHEY COOKCredential: MD
Location Address231 W VERNON AVE, STE 204Los Angeles, CA 90037-2700
Mailing Address904 Silver Spur Rd, #200Rolling Hills, CA 90274 · (310) 724-7448 · Fax (323) 232-6784
Fax(323) 232-6784
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 1976
Enumeration DateJanuary 19, 2007
Last NPPES UpdateDecember 4, 2014
NPI 1780737981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A33575
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License A33575 (CA)
Also ListedPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineTaxonomy 2083P0500X · License A33575 (CA)
231 W VERNON AVE, Los Angeles, CA 90037

Other Identifiers 3

Medicare ID-Type UnspecifiedA33575CA
MedicaidA3357350CA
Medicare UPINC03921

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

Joannie Mae Cathey Cook 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 ID5193866515
PECOS Enrollment IDI20100107000573
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90037 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.

Other Providers at the Same Location NPPES 13

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

Durable Medical Equipment & Medical Supplies
231 W VERNON AVE, # 103
LOS ANGELES, CA 90037
Internal Medicine (Cardiovascular Disease)
231 W VERNON AVE, SUITE 105
LOS ANGELES, CA 90037
Ophthalmology
231 W VERNON AVE, STE 104
LOS ANGELES, CA 90037
Dentist (General Practice)
231 W VERNON AVE, SUITE 107
LOS ANGELES, CA 90037
Internal Medicine (Cardiovascular Disease)
231 W VERNON AVE, SUITE 105
LOS ANGELES, CA 90037
Social Worker (Clinical)
231 W VERNON AVE
LOS ANGELES, CA 90037
Physician Assistant
231 W VERNON AVE
LOS ANGELES, CA 90037
Radiologic Technologist
231 W VERNON AVE, SUITE 111
LOS ANGELES, CA 90037

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 Joannie Cathey Cook's NPI number?

The NPI number for Joannie Cathey Cook is 1780737981. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is Joannie Cathey Cook located?

Joannie Cathey Cook practices at 231 W Vernon Ave Ste 204, Los Angeles, CA 90037. The listed phone number is (310) 724-7448.

What is Joannie Cathey Cook's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Joannie Cathey Cook enrolled in Medicare?

Yes. Joannie Cathey Cook 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 Joannie Cathey Cook was last updated on December 4, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.