GRACE ELLEN MARX M.D.
NPI 1144545799
Internal Medicine - Infectious Disease in Denver, CO

Active since April 06, 2010PECOS EnrolledAccepts Medicare Assignment
91.11/100
CMS Quality Rating
605 BANNOCK ST, MC 2600, DENVER, CO 80204(303) 602-8736 Get Directions Write a Review

NPPES record last updated: March 2, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Grace Ellen Marx M.d. NPPES

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

GRACE ELLEN MARX M.D. (NPI 1144545799) is an individual infectious disease provider in Denver, Colorado, licensed in Colorado (52448) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2010).

NPPES Registry Identity

NPI1144545799
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameGRACE ELLEN MARXCredential: M.D.
Location Address605 BANNOCK ST, MC 2600Denver, CO 80204-4505
Mailing Address12300 W 38th AveWheat Ridge, CO 80033-3839 · (206) 214-6103
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2010
Enumeration DateApril 6, 2010
Last NPPES UpdateMarch 2, 2021
NPPES CertifiedMarch 2, 2021
NPI 1144545799 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in CO · 52448
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
605 BANNOCK ST, Denver, CO 80204

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Grace Ellen Marx M.d. 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 ID4981829348
PECOS Enrollment IDI20140627001775
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
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.

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.

91.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.23
Promoting Interoperability88
Improvement Activities40
Cost73.49

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
605 BANNOCK ST
DENVER, CO 80204
Family Medicine
605 BANNOCK ST
DENVER, CO 80204
Durable Medical Equipment & Medical Supplies
605 BANNOCK ST
DENVER, CO 80204
Nurse Practitioner
605 BANNOCK ST
DENVER, CO 80204
Licensed Practical Nurse
605 BANNOCK ST
DENVER, CO 80204
Nurse Practitioner
605 BANNOCK ST, MC-2600
DENVER, CO 80204
Preventive Medicine (Occupational Medicine)
605 BANNOCK ST
DENVER, CO 80204
Licensed Practical Nurse
605 BANNOCK ST
DENVER, CO 80204

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 Grace Marx's NPI number?

The NPI number for Grace Marx is 1144545799. It was assigned to this individual provider in the NPPES registry on April 6, 2010.

Where is Grace Marx located?

Grace Marx practices at 605 Bannock St Mc 2600, Denver, CO 80204. The listed phone number is (303) 602-8736.

What is Grace Marx's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Grace Marx enrolled in Medicare?

Yes. Grace Marx is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Grace Marx was last updated on March 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.