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DR. CHARLES MICHAEL SHUMAKER IV MD
NPI 1841750338
Internal Medicine in Los Angeles, CA

Active since March 21, 2019PECOS EnrolledAccepts Medicare Assignment
1200 N STATE STREET, CLINIC TOWER, SUITE A7D, LOS ANGELES, CA 90033(323) 409-7556 Get Directions Write a Review

NPPES record last updated: February 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Charles Michael Shumaker Iv Md NPPES

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

DR. CHARLES MICHAEL SHUMAKER IV MD (NPI 1841750338) is an individual internal medicine provider in Los Angeles, California, licensed in California (A180338) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Long Beach, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1841750338
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHARLES MICHAEL SHUMAKER IVCredential: MD
Location Address1200 N STATE STREET, CLINIC TOWER, SUITE A7DLos Angeles, CA 90033-1029
Mailing Address1200 N State Street, Clinic Tower, Suite A7dLos Angeles, CA 90033-1029
Phone(323) 409-7556
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 21, 2019
Last NPPES UpdateFebruary 21, 2026
NPPES CertifiedFebruary 21, 2026
✔ NPI 1841750338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A180338
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1200 N STATE STREET, Los Angeles, CA 90033
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Secondary Practice Location 1

Location 12801 Atlantic AveLong Beach, CA 90806-1701 · Phone (562) 426-3333

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

Dr. Charles Michael Shumaker Iv 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 ID3173949534
PECOS Enrollment IDI20221018002063
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 90033 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 20

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

BEN STRICKLAND MD
Neurological Surgery
1200 N STATE STREET, SUITE 3300
LOS ANGELES, CA 90033
Los Angeles County (803) 312-4871
RYAN RUPPERT
Psychiatry & Neurology (Psychiatry)
1200 N STATE STREET, CLINIC TOWER, SUITE A7D
LOS ANGELES, CA 90033
Los Angeles County (302) 258-6852
DR. CATHERINE LOUISE BRADLEY MD
Obstetrics & Gynecology
1200 N STATE STREET, CLINIC TOWER, SUITE A7D
LOS ANGELES, CA 90033
Los Angeles County (323) 409-8848
HANIEH GHASEMI
Dentist (General Practice)
1200 N STATE STREET, CLINICAL TOWER, SUITE A7D
LOS ANGELES, CA 90033
Los Angeles County (323) 409-5751
ROGER BOLES MD
Student in an Organized Health Care Education/Training Program
1200 N STATE STREET, CLINIC TOWER, SUITE A7D
LOS ANGELES, CA 90033
Los Angeles County (323) 409-5088
MS. LUCY YEUNG MD
Anesthesiology
1200 N STATE STREET, LAC USC MEDICAL CENTER
LOS ANGELES, CA 90033
Los Angeles County (323) 226-4597
COURTNEY HANLON
Internal Medicine
1200 N STATE STREET, CLINIC TOWER, SUITE A7D
LOS ANGELES, CA 90033
Los Angeles County (323) 409-7556
JORGE ALBERTO SERRANO MD
Emergency Medicine
1200 N STATE STREET, CLINIC TOWER, ROOM 1011
LOS ANGELES, CA 90033
Los Angeles County (209) 640-4404

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 Charles Shumaker's NPI number?

The NPI number for Charles Shumaker is 1841750338. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Charles Shumaker located?

Charles Shumaker practices at 1200 N State Street Clinic Tower, Suite A7d, Los Angeles, CA 90033. The listed phone number is (323) 409-7556.

What is Charles Shumaker's specialty?

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

Is Charles Shumaker enrolled in Medicare?

Yes. Charles Shumaker 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 Charles Shumaker was last updated on February 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.