Active NPI 1265611537 Individual Practitioner Female Practitioner

Gertrude Areja Oster , APRN

Nurse Practitioner • Tucson, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Gertrude Oster, APRN is a certified Nurse Practitioner practicing in Tucson, AZ. With approximately 21 years of clinical experience since completing medical education in 2005, Gertrude Oster delivers high-quality medical care to the local community at 4511 N CAMPBELL AVE STE 100.

Gertrude Oster is affiliated with Akdhc Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include dialysis services, 2-3 physician visits per month (20 years or older), dialysis services, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4511 N Campbell Ave Ste 100

Tucson, AZ 857186424

Telephone 5205296500

Fax 5202097337

Associated Practice Facility / Clinic

🏢 Akdhc, Llc Facility NPI 1255503017

Medicare Profile & Education

Medical School

Other

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Tucson, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs +10.1 yrs vs City Avg

City Avg: 10.9 Yrs

State Avg: 8.9 Yrs

Regional Practice Density

203 Specialists

Practicing in Tucson, AZ (1459 Statewide)

Telehealth Adoption Rate

8.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

52.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Oster (21 Years) 21 Yrs

Tucson Specialty Average (10.9 Years) 10.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	56	36	$499.00	$238.48
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	55	31	$601.00	$288.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	61	61	$195.00	$106.03
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	44	27	$499.00	$241.30
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	40	19	$601.00	$290.05
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	34	34	$280.00	$119.68
99496 Transitional care management services for problem of high complexity	17	16	$465.00	$227.30
99495 Transitional care management services for problem of at least moderate complexity	15	13	$345.00	$167.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	216	56	$601.00	$295.64
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	92	92	$280.00	$134.55
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	82	53	$499.00	$246.96
90962 Dialysis services, 1 physician visit per month (20 years or older)	15	11	$342.00	$169.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	112	28	$645.99	$301.72
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	63	34	$522.75	$242.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	92	34	$571.17	$242.51
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	84	49	$479.40	$191.14
99496 Transitional care management services for problem of high complexity	50	50	$484.00	$205.56
90962 Dialysis services, 1 physician visit per month (20 years or older)	16	11	$370.00	$146.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	63	46	$478.02	$198.47
90962 Dialysis services, 1 physician visit per month (20 years or older)	36	32	$369.06	$152.34
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	24	21	$569.00	$230.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	80	59	$472.00	$195.53
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	51	44	$560.00	$223.65
90962 Dialysis services, 1 physician visit per month (20 years or older)	18	15	$365.00	$145.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	83	55	$481.18	$197.41
90962 Dialysis services, 1 physician visit per month (20 years or older)	23	20	$370.43	$153.93
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	20	15	$571.25	$227.48

Medical Specialties & State Licenses

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License AZ AP2816

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License AZ AP2816

Definition to come...

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID State License Fnp

AP2816 (AZ)

Commercial Insurance / Payer ID State License-Rn

RN140274 (AZ)

Hospital & Practice Group Affiliations

Akdhc Llc

2501 N Stockton Hill Rd, Kingman, AZ 864014140

Phone: 9286812772

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

4 Associated Practitioners

Dr. David Whittman , MD, MPH

Internal Medicine - Nephrology

NPI 1205938917

Doctor of Medicine (M.D.), Master of Public Health

Dr. Charles Carter , MD

Internal Medicine - Nephrology

NPI 1235136565

Doctor of Medicine (M.D.)

Dr. Milap Pokharel , MD

Internal Medicine - Nephrology

NPI 1336349463

Doctor of Medicine (M.D.)

Dr. Yeong-Hau Lien , MD, PhD

Internal Medicine - Nephrology

NPI 1356448815

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Practice Location November 22, 2019

Registered at 4511 N CAMPBELL AVE STE 100, TUCSON, AZ 857186424 (Tel: 5205296500)

📍

Updated Business Mailing Address November 22, 2019

Registered at 3333 E CAMELBACK RD STE 180, PHOENIX, AZ 850182396 (Tel: 6027596883)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 22, 2019

Nurse Practitioner (License #AP2816 in AZ)

✅

NPI Profile Active October 10, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location October 10, 2014

Registered at 612 W BASELINE RD, MESA, AZ 852106041 (Tel: 4808349039)

📍

Updated Business Mailing Address October 10, 2014

Registered at 612 W BASELINE RD, MESA, AZ 852106041 (Tel: 4808349039)

👤

Provider Name / Credentials Updated October 10, 2014

Recorded as GERTRUDE OSTER, APRN

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 10, 2014

Nurse Practitioner (License #AP2816 in AZ)

🟢

Initial NPI Registration & Enumeration November 02, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1265611537

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: November 02, 2007

Last Update: November 22, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3333 E Camelback Rd Ste 180

Phoenix, AZ 850182396

Phone: 6027596883

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.