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STEPHEN NJOROGE MD
NPI 1235368176
Internal Medicine in Yuma, AZ

Active since July 14, 2009PECOS Enrolled
2400 S AVENUE A, YUMA, AZ 85364(928) 336-3213 Get Directions Write a Review

NPPES record last updated: February 6, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Stephen Njoroge Md NPPES

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

STEPHEN NJOROGE MD (NPI 1235368176) is an individual internal medicine provider in Yuma, Arizona, licensed in Arizona (R71604) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235368176
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEPHEN NJOROGECredential: MD
Location Address2400 S AVENUE AYuma, AZ 85364-7127
Mailing Address2400 S Avenue AYuma, AZ 85364-7127
Phone(928) 336-3213
Sole ProprietorNo
Enumeration DateJuly 14, 2009
Last NPPES UpdateFebruary 6, 2014
✔ NPI 1235368176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · R71604
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.
2400 S AVENUE A, Yuma, AZ 85364
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare of Arizona, Inc.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephen Njoroge Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Stephen Njoroge reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arizona Inpatient Medicine Associates LLC
224 mi
Internal Medicine
7383 E TANQUE VERDE RD
Tucson, AZ 85715
  • Reassigned Medicare billing, Arizona enrollment
  • 111 clinicians in this Medicare group
NPI 1083647754 (520) 318-3434

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
110 services22 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
101 services38 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85364 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%433 patients5/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%229 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier12 claims12 services$9.77 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

BRIANNE ALLEN MA - CCC/SLP
Speech-Language Pathologist
2400 S AVENUE A
YUMA, AZ 85364
Yuma County (928) 336-1631
DR. INA KIM MD
Emergency Medicine
2400 S AVENUE A
YUMA, AZ 85364
Yuma County (702) 853-3561
CANDRA AIYANA LAND REGISTERED DIETITIAN
Dietitian, Registered
2400 S AVENUE A
YUMA, AZ 85364
Yuma County (928) 336-2000
SANTWANA VINAYAK SOVANI MD
Anesthesiology
2400 S AVENUE A
YUMA, AZ 85364
Yuma County (928) 344-2000
ASHVIN K SHAH M.D.
Internal Medicine (Sleep Medicine)
2400 S AVENUE A
YUMA, AZ 85364
Yuma County (928) 336-3213
ASHISH SHARMA M.D.
Hospitalist
2400 S AVENUE A, YUMA REGIONAL MEDICAL CENTER
YUMA, AZ 85364
Yuma County (928) 336-3213
KORI DELLINGER AGACNP
Nurse Practitioner (Acute Care)
2400 S AVENUE A
YUMA, AZ 85364
Yuma County (505) 328-4579
DR. ROBERT W. GOODWILLIE PHARMD
Pharmacist (Pharmacotherapy)
2400 S AVENUE A
YUMA, AZ 85364
Yuma County (928) 336-7037

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 Stephen Njoroge's NPI number?

The NPI number for Stephen Njoroge is 1235368176. It was assigned to this individual provider in the NPPES registry on July 14, 2009.

Where is Stephen Njoroge located?

Stephen Njoroge practices at 2400 S Avenue A, Yuma, AZ 85364. The listed phone number is (928) 336-3213.

What is Stephen Njoroge's specialty?

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

Is Stephen Njoroge enrolled in Medicare?

Yes. Stephen Njoroge is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephen Njoroge's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Njoroge reassigns Medicare benefits to Arizona Inpatient Medicine Associates LLC (Tucson, AZ). The 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 Stephen Njoroge's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Njoroge accept?

Health plans from Cigna HealthCare of Arizona, Inc list Stephen Njoroge as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephen Njoroge was last updated on February 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.