CHAPARRAL MEDICAL GROUP, INC.
NPI 1093777666
Dermatology in Rancho Cucamonga, CA

Active since April 06, 2006
9190 HAVEN AVENUE, STE. 101, 102, 210, 200, RANCHO CUCAMONGA, CA 91730(909) 581-6732(909) 581-6737 Get Directions Write a Review

NPPES record last updated: March 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 11, 2022, Mar 26, 2018 (2 updates tracked since 2018).

About Chaparral Medical Group, Inc. NPPES

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

CHAPARRAL MEDICAL GROUP, INC. (NPI 1093777666) is a healthcare organization registered as a dermatology in Rancho Cucamonga, California and active in the NPI registry since April 2006. The organization lists Arul Karthik Balaramalingam, Credentialing Manager, as its authorized official.

NPPES Registry Identity

NPI1093777666
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameCHAPARRAL MEDICAL GROUP, INC.
Location Address9190 HAVEN AVENUE, STE. 101, 102, 210, 200Rancho Cucamonga, CA 91730-5431
Mailing Address840 Towne Center DrPomona, CA 91767-5900 · (909) 398-1550 · Fax (909) 398-1488
Fax(909) 581-6737
Organization SubpartNo
Authorized OfficialArul Karthik BalaramalingamCredentialing Manager · (909) 398-1550
Enumeration DateApril 6, 2006
Last NPPES UpdateMarch 11, 20222 updates tracked since enumeration
NPPES CertifiedMarch 11, 2022
✔ NPI 1093777666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X
Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedOrthopaedic Surgery · Hand SurgeryTaxonomy 207XS0106X
Also ListedSurgeryTaxonomy 208600000X
9190 HAVEN AVENUE, Rancho Cucamonga, CA 91730

Other Identifiers 1

MedicaidGR0052956CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chaparral Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

99

Medicare enrollment records show 99 clinicians reassign Medicare billing to Chaparral Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 4 practice at this address and 65 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 22

Internal Medicine21
Nurse Practitioner15
Cardiovascular Disease (Cardiology)9
Pulmonary Disease7
Family Practice6
Dermatology4
Endocrinology4
General Surgery4
14 other specialties29

Nearest to this location (20)

See all 99
Dermatology
NPI 1780727750
9190 HAVEN AVE STE 210
Rancho Cucamonga, CA 91730
(909) 466-7779
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1316090103
9190 HAVEN AVE STE 102
Rancho Cucamonga, CA 91730
(909) 527-8110
✔ PECOSSame address
Nurse Practitioner
NPI 1760134852
9170 HAVEN AVE STE 120
Rancho Cucamonga, CA 91730
(909) 476-8700
✔ PECOS✔ Accepts MedicareSame address
Rheumatology
NPI 1477731644
9170 HAVEN AVE STE 120
Rancho Cucamonga, CA 91730
(909) 466-0550
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1700230224
9140 HAVEN AVE STE 112
Rancho Cucamonga, CA 91730
(909) 296-7800
✔ PECOS0.1 mi
Pulmonary Disease
NPI 1780884015
8330 RED OAK ST SUITE 201
Rancho Cucamonga, CA 91730
(909) 987-2528
✔ PECOS✔ Accepts Medicare1.1 mi
Internal Medicine
NPI 1972517423
8330 RED OAK ST STE 201
Rancho Cucamonga, CA 91730
(909) 987-2528
✔ PECOS✔ Accepts Medicare1.1 mi
Cardiovascular Disease (Cardiology)
NPI 1487739835
8330 RED OAK ST STE 101
Rancho Cucamonga, CA 91730
(909) 987-4922
✔ PECOS✔ Accepts Medicare1.1 mi
Nurse Practitioner
NPI 1992580559
8330 RED OAK ST STE 101
Rancho Cucamonga, CA 91730
(909) 987-4922
✔ PECOS1.1 mi
Nurse Practitioner
NPI 1447552229
8330 RED OAK STREET STE 101
Rancho Cucamonga, CA 91730
(909) 987-4922
✔ PECOS1.1 mi
Internal Medicine
NPI 1336533447
8330 RED OAK ST STE 201
Rancho Cucamonga, CA 91730
(909) 987-2528
✔ PECOS✔ Accepts Medicare1.1 mi
Nurse Practitioner
NPI 1356208409
8330 RED OAK ST STE 201
Rancho Cucamonga, CA 91730
(909) 987-2528
✔ PECOS✔ Accepts Medicare1.1 mi
Internal Medicine
NPI 1851753545
8330 RED OAK ST STE 201
Rancho Cucamonga, CA 91730
(909) 987-2528
✔ PECOS✔ Accepts Medicare1.1 mi
General Surgery
NPI 1275630568
901 SAN BERNARDINO RD STE 301
Upland, CA 91786
(909) 946-6221
✔ PECOS✔ Accepts Medicare3.7 mi
Gastroenterology
NPI 1760451298
811 E 11TH ST STE 208
Upland, CA 91786
(909) 982-2279
✔ PECOS✔ Accepts Medicare3.8 mi
Family Practice
NPI 1356359277
330 N D ST STE 300
San Bernardino, CA 92401
(909) 888-6602
✔ PECOS4.1 mi
Cardiovascular Disease (Cardiology)
NPI 1669519500
914 W FOOTHILL BLVD STE A
Upland, CA 91786
(909) 285-6717
✔ PECOS✔ Accepts Medicare5.2 mi
1131 W 6TH ST STE 150
Ontario, CA 91762
(909) 482-4462
✔ PECOS✔ Accepts Medicare5.5 mi
Nurse Practitioner
NPI 1942601281
585 N MOUNTAIN AVE SUITE A
Upland, CA 91786
(909) 946-2228
✔ PECOS5.5 mi
Pulmonary Disease
NPI 1154390391
1601 MONTE VISTA AVE STE 270
Claremont, CA 91711
(909) 865-9152
✔ PECOS✔ Accepts Medicare7.3 mi
See all 99 clinicians

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

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 Chaparral Medical Group, Inc.'s NPI number?

The NPI number for Chaparral Medical Group, Inc. is 1093777666. It was assigned to this organization in the NPPES registry on April 6, 2006.

Where is Chaparral Medical Group, Inc. located?

Chaparral Medical Group, Inc. is located at 9190 Haven Avenue Ste. 101, 102, 210, 200, Rancho Cucamonga, CA 91730. The listed phone number is (909) 581-6732.

What is Chaparral Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Chaparral Medical Group, Inc. enrolled in Medicare?

Yes. Chaparral Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Chaparral Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 99 clinicians in 22 Medicare specialties reassign their Medicare billing to Chaparral Medical Group, Inc.. A 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 the clinician's services. The largest specialties are Internal Medicine (21), Nurse Practitioner (15) and Cardiovascular Disease (Cardiology) (9). Of these, 4 practice at this address and 65 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Chaparral Medical Group, Inc. was last updated on March 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.