GRETCHEN M OROSZ MD
NPI 1609864842
Internal Medicine - Geriatric Medicine in Lone Tree, CO

Q: What is Gretchen Orosz's NPI number?

The NPI number for Gretchen Orosz is 1609864842. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Q: What is Gretchen Orosz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Q: When was this NPI record last updated?

The NPPES record for Gretchen Orosz was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.

Active since October 12, 2005PECOS EnrolledAccepts Medicare Assignment

9540 PARK MEADOWS DR, LONE TREE, CO 80124(720) 848-3400 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2025, Nov 20, 2019 (2 updates tracked since 2019).

On this page

About Gretchen M Orosz Md NPPES

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

GRETCHEN M OROSZ MD (NPI 1609864842) is an individual geriatric medicine provider in Lone Tree, Colorado, licensed in Colorado (DR.0055776) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1992).

NPPES Registry Identity

NPI1609864842

Entity TypeIndividualFemale

Primary Taxonomy207RG0300X

Provider Legal NameGRETCHEN M OROSZCredential: MD

Location Address9540 PARK MEADOWS DRLone Tree, CO 80124-2894

Mailing AddressPo Box 110429Aurora, CO 80042-0429

Phone(720) 848-3400

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1992

Enumeration DateOctober 12, 2005

Last NPPES UpdateSeptember 9, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2025

✔ NPI 1609864842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

Licenses✔ Licensed in CO · DR.0055776✔ Licensed in AR · E3857

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

9540 PARK MEADOWS DR, Lone Tree, CO 80124

Open in Google Maps ↗

Secondary Practice Location 1

Location 112605 E 16th AveAurora, CO 80045-2545 · Phone (720) 848-0000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gretchen M Orosz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901703487

PECOS Enrollment IDI20151215002335

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 Gretchen Orosz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Physicians Incorporated

Same address

Family Medicine

9540 PARK MEADOWS DR
Lone Tree, CO 80124

Reassigned Medicare billing, Colorado enrollment
4,283 clinicians in this Medicare group

NPI 1205316239 (720) 848-9300

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 9

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

298 services157 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

221 services117 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

154 services100 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

130 services101 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

38 services32 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

37 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80124 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

$174.82 typical visit price

range $58.06 – $174.82

Typical copayment $43.70 (range $14.51 – $43.70)

Most-billed visit code 99205

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

14 suppliers39 claims90 services$6.43 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers19 claims23 services$1.04 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

6 suppliers33 claims33 services$14.27 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

12 suppliers103 claims103 services$66.77 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

2 suppliers30 claims30 services$34.15 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.

JADE COOL

Student in an Organized Health Care Education/Training Program