JOHN R. NIENOW, M.D., INC
NPI 1134498165
Internal Medicine in Sacramento, CA

Q: What is John R. Nienow, M.D., Inc's NPI number?

The NPI number for John R. Nienow, M.D., Inc is 1134498165. It was assigned to this organization in the NPPES registry on December 20, 2011.

Q: What is John R. Nienow, M.D., Inc's specialty?

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

Active since December 20, 2011

500 UNIVERSITY AVE, 200, SACRAMENTO, CA 95825(916) 679-3693(916) 679-3699 Get Directions Write a Review

NPPES record last updated: December 20, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About John R. Nienow, M.d., Inc NPPES

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

JOHN R. NIENOW, M.D., INC (NPI 1134498165) is a healthcare organization registered as an internal medicine in Sacramento, California and active in the NPI registry since December 2011. The organization lists John R Nienow, President, as its authorized official.

NPPES Registry Identity

NPI1134498165

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameJOHN R. NIENOW, M.D., INC

Location Address500 UNIVERSITY AVE, 200Sacramento, CA 95825-6504

Mailing Address500 University Ave, 200Sacramento, CA 95825-6504 · (916) 679-3693 · Fax (916) 679-3699

Phone(916) 679-3693

Fax(916) 679-3699

Organization SubpartNo

Authorized OfficialJohn R NienowPresident · (916) 679-3693

Enumeration DateDecember 20, 2011

✔ NPI 1134498165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.

500 UNIVERSITY AVE, Sacramento, CA 95825

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

PHILIP WILLIAMS POOR M.D.

Internal Medicine

500 UNIVERSITY AVE, STE 240
SACRAMENTO, CA 95825

Sacramento County (916) 923-2600

INTRAOPERATIVE MONITORING SERVICES

Specialist

500 UNIVERSITY AVE, #100
SACRAMENTO, CA 95825

Sacramento County (916) 648-3996

SACRAMENTO HEART & VASCULAR MEDICAL

Internal Medicine (Cardiovascular Disease)

500 UNIVERSITY AVE
SACRAMENTO, CA 95825

Sacramento County (916) 830-2000

DR. BAYARD WON CHANG M.D.

Internal Medicine

500 UNIVERSITY AVE, SUITE 111
SACRAMENTO, CA 95825

Sacramento County (916) 929-2526

RADIOLOGICAL ASSOCIATES OF SACRAMENTO MEDICAL GROUP INC.

Urology

500 UNIVERSITY AVE, 200
SACRAMENTO, CA 95825

Sacramento County (916) 921-1615

EARL F TOWLE R.N.

Nurse Practitioner

500 UNIVERSITY AVE
SACRAMENTO, CA 95825

Sacramento County (916) 830-2000

JEFFRY H JONES MD INC

Internal Medicine (Pulmonary Disease)

500 UNIVERSITY AVE, SUITE 260
SACRAMENTO, CA 95825

Sacramento County (916) 925-2096

STEVEN FERRIS KELSO DPM

Podiatrist (Foot & Ankle Surgery)

500 UNIVERSITY AVE, SUITE 200
SACRAMENTO, CA 95825

Sacramento County (916) 922-3668

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 John R. Nienow, M.D., Inc's NPI number?

The NPI number for John R. Nienow, M.D., Inc is 1134498165. It was assigned to this organization in the NPPES registry on December 20, 2011.

Where is John R. Nienow, M.D., Inc located?

John R. Nienow, M.D., Inc is located at 500 University Ave 200, Sacramento, CA 95825. The listed phone number is (916) 679-3693.

What is John R. Nienow, M.D., Inc's specialty?

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

When was this NPI record last updated?

The NPPES record for John R. Nienow, M.D., Inc was last updated on December 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.