ROCKY MOUNTAIN INTERNAL MEDICINE
NPI 1336172774
Internal Medicine in Aurora, CO

Q: What is Mauricio Waintrub, M.D., P.C's NPI number?

The NPI number for Mauricio Waintrub, M.D., P.C is 1336172774. It was assigned to this organization in the NPPES registry on July 9, 2006. The provider is doing business as Rocky Mountain Internal Medicine.

Q: What is Mauricio Waintrub, M.D., P.C's specialty?

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

Active since July 09, 2006

1360 S POTOMAC ST, AURORA, CO 80012(303) 337-5575(303) 745-6264 Get Directions Write a Review

NPPES record last updated: April 13, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Rocky Mountain Internal Medicine NPPES

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

ROCKY MOUNTAIN INTERNAL MEDICINE (NPI 1336172774) is a healthcare organization registered as an internal medicine in Aurora, Colorado and active in the NPI registry since July 2006. The organization lists Mauricio Waintrub, President, as its authorized official.

NPPES Registry Identity

NPI1336172774

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameMAURICIO WAINTRUB, M.D., P.C

Location Address1360 S POTOMAC STAurora, CO 80012-4505

Mailing Address1360 S Potomac StAurora, CO 80012-4505 · (303) 337-5575 · Fax (303) 745-6264

Phone(303) 337-5575

Fax(303) 745-6264

Organization SubpartNo

Authorized OfficialMauricio WaintrubPresident · (303) 337-5575

Enumeration DateJuly 9, 2006

Last NPPES UpdateApril 13, 2023

NPPES CertifiedApril 13, 2023

✔ NPI 1336172774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CO · 34568

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.

1360 S POTOMAC ST, Aurora, CO 80012

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Other Names 1

Doing Business AsRocky Mountain Internal Medicine

Other Identifiers 1

Medicaid13037366CO

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)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 28 clinicians reassign Medicare billing to Rocky Mountain Internal Medicine, which bills Medicare for the services they deliver. Of these, 12 practice at this address and 20 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Nurse Practitioner18

Internal Medicine8

Obstetrics/Gynecology1

Optometry1

Nearest to this location (20)

See all 28

Monica Schonteich, FNP

Nurse Practitioner

NPI 1720635907

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Kelsea Hough, FNP-C

Nurse Practitioner

NPI 1861129892

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOSSame address

Cecily Hutchens

Nurse Practitioner

NPI 1407723588

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Daniel Molina

Nurse Practitioner

NPI 1659186120

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Diana Rodriguez Ortiz, FNP-C

Nurse Practitioner

NPI 1942076831

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Emily Rodriguez Ortiz, APN

Nurse Practitioner

NPI 1821895459

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

David Baez, MD

Internal Medicine

NPI 1407896830

1360 S POTOMAC ST
Aurora, CO 80012

(303) 333-7557

✔ PECOS✔ Accepts MedicareSame address

Shabana Jiwani, M.D.

Internal Medicine

NPI 1609829365

1360 S POTOMAC ST 130
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Nodira Karimova, MD

Internal Medicine

NPI 1912065129

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Mamta Varshney, M.D.

Internal Medicine

NPI 1205869443

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Mauricio Waintrub, M.D.

Internal Medicine

NPI 1417900200

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Herman Hasselkus, M.D.

Internal Medicine

NPI 1053481382

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts MedicareSame address

Jennifer Hahm, DNP

Nurse Practitioner

NPI 1790564862

1360 S POTOMAC ST
Aurora, CO 80012

(303) 337-5575

✔ PECOS✔ Accepts Medicare0.2 mi

Surafel Mohamed

Nurse Practitioner

NPI 1427939198

10805 E JEWELL AVE
Aurora, CO 80012

(303) 642-5521

✔ PECOS✔ Accepts Medicare1.9 mi

Chishamiso Magayisa, AGACNP

Nurse Practitioner

NPI 1841870748

14896 EAST 2ND AVENUE APT. NO. H203
Aurora, CO 80011

(720) 333-9648

✔ PECOS✔ Accepts Medicare2.0 mi

Evelyn Ehizuelen, APN

Nurse Practitioner

NPI 1982488797

3025 S PARKER RD STE 100
Aurora, CO 80014

(303) 481-7030

✔ PECOS✔ Accepts Medicare2.7 mi

Nikita Leshchinskiy, FNP-C

Nurse Practitioner

NPI 1427534486

10697 E DARTMOUTH AVE
Aurora, CO 80014

(303) 758-2000

✔ PECOS✔ Accepts Medicare2.8 mi

Jeriah-Travis Mendaro, FNP-C, APRN

Nurse Practitioner

NPI 1801619036

13001 E 17TH PL
Aurora, CO 80045

(303) 724-5000

✔ PECOS✔ Accepts Medicare3.7 mi

Loretta Sullivan-Chang, MD

Internal Medicine

NPI 1972780062

4950 S YOSEMITE ST # F2-365
Greenwood Village, CO 80111

(650) 847-7287

✔ PECOS✔ Accepts Medicare5.5 mi

Paul Reynolds

Nurse Practitioner

NPI 1306493622

3570 E 12TH AVE STE 203
Denver, CO 80206

(720) 593-8989

✔ PECOS✔ Accepts Medicare6.8 mi

See all 28 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 Mauricio Waintrub, M.D., P.C's NPI number?

The NPI number for Mauricio Waintrub, M.D., P.C is 1336172774. It was assigned to this organization in the NPPES registry on July 9, 2006. The provider is doing business as Rocky Mountain Internal Medicine.

Where is Mauricio Waintrub, M.D., P.C located?

Mauricio Waintrub, M.D., P.C is located at 1360 S Potomac St, Aurora, CO 80012. The listed phone number is (303) 337-5575.

What is Mauricio Waintrub, M.D., P.C's specialty?

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

Is Mauricio Waintrub, M.D., P.C enrolled in Medicare?

Yes. Mauricio Waintrub, M.D., P.C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mauricio Waintrub, M.D., P.C?

According to the CMS Revalidation Reassignment List (October 2026 release), 28 clinicians in 4 Medicare specialties reassign their Medicare billing to Mauricio Waintrub, M.D., P.C. 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 Nurse Practitioner (18), Internal Medicine (8) and Obstetrics/Gynecology (1). Of these, 12 practice at this address and 20 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 Mauricio Waintrub, M.D., P.C was last updated on April 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.