DR. ASHOK KUMAR MADAHAR M.D.
NPI 1902846710
Emergency Medicine in Chino, CA

Q: What is Ashok Madahar's NPI number?

The NPI number for Ashok Madahar is 1902846710. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Q: What is Ashok Madahar's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Ashok Madahar was last updated on June 13, 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.

Active since June 08, 2006PECOS EnrolledAccepts Medicare Assignment

5451 WALNUT AVE, CHINO, CA 91710(909) 464-8666(909) 464-8913 Get Directions Write a Review

NPPES record last updated: June 13, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Ashok Kumar Madahar M.d. NPPES

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

DR. ASHOK KUMAR MADAHAR M.D. (NPI 1902846710) is an individual emergency medicine provider in Chino, California, licensed in California (C42285) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1978).

NPPES Registry Identity

NPI1902846710

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. ASHOK KUMAR MADAHARCredential: M.D.

Location Address5451 WALNUT AVEChino, CA 91710-2609

Mailing AddressPo Box 60038Arcadia, CA 91066-6038 · (626) 447-0296 · Fax (626) 447-6057

Phone(909) 464-8666

Fax(909) 464-8913

Sole ProprietorNo

Medical School CMSOtherGraduated 1978

Enumeration DateJune 8, 2006

Last NPPES UpdateJune 13, 2008

✔ NPI 1902846710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · C42285

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

5451 WALNUT AVE, Chino, CA 91710

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Other Identifiers 5

Medicaid00C422850CA

Medicare PIN00C422855CA

Medicare UPINA60698CA

Medicare PIN00C422854CA

Medicare PIN00C422853CA

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

Dr. Ashok Kumar Madahar 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 ID4789662404

PECOS Enrollment IDI20040709000718

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

Medicare enrollment records show Ashok Madahar reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Chino Emergency Medical Associates, Inc.

Same address

Emergency Medicine

5451 WALNUT AVE
Chino, CA 91710

Reassigned Medicare billing, California enrollment
99 clinicians in this Medicare group

NPI 1013282029 (424) 241-1546

Montclair Emergency Medical Associates

3.7 mi

Emergency Medicine

5000 SAN BERNARDINO ST
Montclair, CA 91763

Reassigned Medicare billing, California enrollment
98 clinicians in this Medicare group

NPI 1316044696 (909) 625-8307

Riverside Emergency Physicians Medical Group

16 mi

Emergency Medicine

3865 JACKSON ST
Riverside, CA 92503

Reassigned Medicare billing, California enrollment
48 clinicians in this Medicare group

NPI 1972539039 (951) 898-0823

Orange County Emergency Medical Associates, Inc.

24 mi

Emergency Medicine

7901 WALKER ST
La Palma, CA 90623

Reassigned Medicare billing, California enrollment
62 clinicians in this Medicare group

NPI 1508114711 (310) 379-2134

Beach Emergency Medical Associates

28 mi

Emergency Medicine

17772 BEACH BLVD
Huntington Beach, CA 92647

Reassigned Medicare billing, California enrollment
45 clinicians in this Medicare group

NPI 1013074996 (310) 379-2134

Pacific Coast Emergency Medical Associates, Inc

33 mi

Emergency Medicine

2776 PACIFIC AVE
Long Beach, CA 90806

Reassigned Medicare billing, California enrollment
56 clinicians in this Medicare group

NPI 1316179492 (310) 321-0143

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

105 services98 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

94 services91 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.

82 services81 patients

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.

58 services57 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

19 services19 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91710 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

DR. NEELAMMA VENKATASHAMAPPA

Student in an Organized Health Care Education/Training Program