CARL MAYER GRUSHKIN M.D.
NPI 1023101557
Pediatrics - Pediatric Nephrology in Los Angeles, CA

Active since October 02, 2006PECOS EnrolledAccepts Medicare Assignment
4650 SUNSET BLVD., MS# 40, LOS ANGELES, CA 90027(323) 361-2102(323) 361-1829 Get Directions Write a Review

NPPES record last updated: May 14, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Carl Mayer Grushkin M.d. NPPES

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

CARL MAYER GRUSHKIN M.D. (NPI 1023101557) is an individual pediatric nephrology provider in Los Angeles, California, licensed in California (G13885) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1966).

NPPES Registry Identity

NPI1023101557
Entity TypeIndividualMale
Primary Taxonomy2080P0210X
Provider Legal NameCARL MAYER GRUSHKINCredential: M.D.
Location Address4650 SUNSET BLVD., MS# 40Los Angeles, CA 90027-6062
Mailing Address6430 Sunset Blvd., Suite 600Los Angeles, CA 90028-7900 · (323) 361-2337 · Fax (323) 361-8491
Fax(323) 361-1829
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1966
Enumeration DateOctober 2, 2006
Last NPPES UpdateMay 14, 2008
NPI 1023101557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0210X
License Licensed in CA · G13885
Definition
A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.
4650 SUNSET BLVD., Los Angeles, CA 90027

Other Identifiers 4

Medicare ID-Type UnspecifiedWG19885ACA
Medicare UPINA39110CA
Other00G138850G07CA · Caloptima
Medicaid00G138850CA

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

Carl Mayer Grushkin M.d. 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 ID4981690674
PECOS Enrollment IDI20040420001247
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

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.
43 services12 patients

Other Providers at the Same Location NPPES 16

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

Psychologist
4650 SUNSET BLVD., MS #53
LOS ANGELES, CA 90027
Anesthesiology (Pain Medicine)
4650 SUNSET BLVD.
LOS ANGELES, CA 90027
Psychologist
4650 SUNSET BLVD., MS #53
LOS ANGELES, CA 90027
Nurse Practitioner (Pediatrics)
4650 SUNSET BLVD., MS#82
LOS ANGELES, CA 90027
Pediatrics (Pediatric Rheumatology)
4650 SUNSET BLVD.
LOS ANGELES, CA 90027
Student in an Organized Health Care Education/Training Program
4650 SUNSET BLVD.
LOS ANGELES, CA 90027
Marriage & Family Therapist
4650 SUNSET BLVD., MS #53
LOS ANGELES, CA 90027
Nurse Practitioner (Family)
4650 SUNSET BLVD., MAILSTOP #81
LOS ANGELES, CA 90027

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 Carl Grushkin's NPI number?

The NPI number for Carl Grushkin is 1023101557. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Carl Grushkin located?

Carl Grushkin practices at 4650 Sunset Blvd. Ms# 40, Los Angeles, CA 90027. The listed phone number is (323) 361-2102.

What is Carl Grushkin's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.

Is Carl Grushkin enrolled in Medicare?

Yes. Carl Grushkin 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 Carl Grushkin was last updated on May 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.