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INTERNAL MEDICINE SPECIALISTS INC
NPI 1780863001
Internal Medicine in Rancho Mirage, CA

Active since November 02, 2007CLIA 05D0959017 · Waiver
72780 COUNTRY CLUB DR, SUITE 100, RANCHO MIRAGE, CA 92270(760) 773-9750(760) 773-9294 Get Directions Write a Review

NPPES record last updated: December 2, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Internal Medicine Specialists Inc NPPES

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

INTERNAL MEDICINE SPECIALISTS INC (NPI 1780863001) is a healthcare organization registered as an internal medicine in Rancho Mirage, California and active in the NPI registry since November 2007. The organization holds a CLIA Waiver certificate valid through March 30, 2027 and lists Carlos Lopez, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1780863001
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameINTERNAL MEDICINE SPECIALISTS INC
Location Address72780 COUNTRY CLUB DR, SUITE 100Rancho Mirage, CA 92270-4126
Mailing AddressPo Box 2366Rancho Mirage, CA 92270-1086 · (760) 773-9750 · Fax (760) 773-9294
Phone(760) 773-9750
Fax(760) 773-9294
Organization SubpartNo
Authorized OfficialCarlos LopezMedical Director · (760) 773-9750
Enumeration DateNovember 2, 2007
Last NPPES UpdateDecember 2, 2008
✔ NPI 1780863001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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 ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
72780 COUNTRY CLUB DR, Rancho Mirage, CA 92270
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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)

Internal Medicine Specialists Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Internal Medicine Specialists Inc, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 12 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Internal Medicine4
Nurse Practitioner3
Podiatry3
Obstetrics/Gynecology2

Clinicians, nearest first (12)

Carlos Lopez, M.D.,M.P.H.
Internal Medicine
NPI 1003892894
72780 COUNTRY CLUB DR SUITE 100
Rancho Mirage, CA 92270
(760) 773-9750
✔ PECOS✔ Accepts MedicareSame address
Glenn Cooperman, MD
Obstetrics/Gynecology
NPI 1679821979
72780 COUNTRY CLUB DR STE 100
Rancho Mirage, CA 92270
(760) 773-9750
✔ PECOS✔ Accepts MedicareSame address
Maria Garcia, M.D.
Internal Medicine
NPI 1871537977
72780 COUNTRY CLUB DR SUITE 100
Rancho Mirage, CA 92270
(760) 773-9750
✔ PECOS✔ Accepts MedicareSame address
Rachel Deporter, NP
Nurse Practitioner
NPI 1063282481
72780 COUNTRY CLUB DR STE 100
Rancho Mirage, CA 92270
(760) 773-9750
✔ PECOS✔ Accepts MedicareSame address
Lynne Messner, M.D.
Internal Medicine
NPI 1053425280
72780 COUNTRY CLUB DR SUITE 100
Rancho Mirage, CA 92270
(760) 773-9750
✔ PECOSSame address
Deqiang Wang, NP
Nurse Practitioner
NPI 1538634746
39000 BOB HOPE DR
Rancho Mirage, CA 92270
(760) 834-7970
✔ PECOS✔ Accepts Medicare0.8 mi
Francisco Cordova, M.D.
Internal Medicine
NPI 1124303144
39000 BOB HOPE DR
Rancho Mirage, CA 92270
(760) 837-8905
✔ PECOS✔ Accepts Medicare0.9 mi
Ben Wehrli, DPM
Podiatry
NPI 1013151331
74000 COUNTRY CLUB DR STE E4
Palm Desert, CA 92260
(760) 848-8231
✔ PECOS✔ Accepts Medicare1.1 mi
Maryan Bahreini, M.D
Obstetrics/Gynecology
NPI 1164612099
44650 VILLAGE CT STE 100
Palm Desert, CA 92260
(760) 346-4003
✔ PECOS✔ Accepts Medicare3.0 mi
Jackson Crough, D.P.M.
Podiatry
NPI 1306100722
39000 BOB HOPE DR, HARRY AND DIANE RINKER BLG
Rancho Mirage, CA 92270
(760) 568-2684
✔ PECOS✔ Accepts Medicare3.1 mi
Sloan Gordon, DPM
Podiatry
NPI 1700881257
14 TEMPRANILLO
Rancho Mirage, CA 92270
(713) 725-7555
✔ PECOS✔ Accepts Medicare3.4 mi
Annelise Millan, NP
Nurse Practitioner
NPI 1275351066
67555 E PALM CANYON DR STE C112
Cathedral City, CA 92234
(760) 773-1680
✔ PECOS✔ Accepts Medicare5.6 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0959017

Internal Medicine Specialists · Rancho Mirage, CA
Active · expires Mar 30, 2027
CLIA Number05D0959017
Laboratory TypePhysician Office
Certificate Effective DateMarch 31, 2025
Certificate Expiration DateMarch 30, 2027
Laboratory DirectorCarlos A. Lopez MD
Laboratory Phone(760) 773-9750
Laboratory LocationInternal Medicine Specialists72780 Country Club Dr Ste 100, Rancho Mirage, CA 92270
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Internal Medicine Specialists Inc's NPI number?

The NPI number for Internal Medicine Specialists Inc is 1780863001. It was assigned to this organization in the NPPES registry on November 2, 2007.

Where is Internal Medicine Specialists Inc located?

Internal Medicine Specialists Inc is located at 72780 Country Club Dr Suite 100, Rancho Mirage, CA 92270. The listed phone number is (760) 773-9750.

What is Internal Medicine Specialists Inc's specialty?

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

Is Internal Medicine Specialists Inc enrolled in Medicare?

Yes. Internal Medicine Specialists Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Internal Medicine Specialists Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 4 Medicare specialties reassign their Medicare billing to Internal Medicine Specialists 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 (4), Nurse Practitioner (3) and Podiatry (3). Of these, 5 practice at this address and 12 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Internal Medicine Specialists Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0959017) is associated with this NPI, valid through March 30, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Internal Medicine Specialists Inc was last updated on December 2, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.