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WILLIAM MARSHALL CHISHOLM M.D.
NPI 1932425923
Family Medicine - Geriatric Medicine in Aurora, CO

Active since April 15, 2010PECOS EnrolledAccepts Medicare Assignment
1400 S POTOMAC ST, #150, AURORA, CO 80012(303) 306-4321(720) 524-1551 Get Directions Write a Review

NPPES record last updated: May 19, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Marshall Chisholm M.d. NPPES

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

WILLIAM MARSHALL CHISHOLM M.D. (NPI 1932425923) is an individual geriatric medicine provider in Aurora, Colorado, licensed in Colorado (53208) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2013).

NPPES Registry Identity

NPI1932425923
Entity TypeIndividualMale
Primary Taxonomy207QG0300X
Provider Legal NameWILLIAM MARSHALL CHISHOLMCredential: M.D.
Location Address1400 S POTOMAC ST, #150Aurora, CO 80012-4528
Mailing Address12250 E Iliff Ave, #300Aurora, CO 80014-6318 · (303) 306-4321 · Fax (720) 524-1551
Phone(303) 306-4321
Fax(720) 524-1551
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 2013
Enumeration DateApril 15, 2010
Last NPPES UpdateMay 19, 2015
✔ NPI 1932425923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
License✔ Licensed in CO · 53208
Definition
A family medicine physician with 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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1400 S POTOMAC ST, Aurora, CO 80012
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Other Identifiers 2

Medicare PIN321204YL63CO
Medicaid59172282CO

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

William Marshall Chisholm 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 ID547497059
PECOS Enrollment IDI20131207000180
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.

Areas of Expertise CMS Part B claims 10

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.

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
637 services193 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
614 services412 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
308 services158 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
305 services159 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
35 services25 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80012 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
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.

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…
91%317 patients4/55-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 9

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

Insertion tray with drainage bag with indwelling catheter, foley type, two-way, all silicone A4315
DME-Orthotic Devices · category DF000N
2 suppliers18 claims18 services$25.53 avg. paid by Medicare
Urinary catheter anchoring device, leg strap, each A4334
DME-Orthotic Devices · category DF000N
3 suppliers41 claims41 services$4.63 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
4 suppliers45 claims83 services$9.11 avg. paid by Medicare
Ostomy pouch, drainable; for use on barrier with flange (2 piece system), each A5063
DME-Orthotic Devices · category DF010N
2 suppliers19 claims500 services$2.50 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers14 claims14 services$47.82 avg. paid by Medicare
Portable oxygen contents, liquid, 1 month's supply = 1 unit E0444
DME-Oxygen and Supplies · category DC000N
2 suppliers22 claims22 services$41.59 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.

HEALTHONE CLINIC SERVICES LLC
Obstetrics & Gynecology
1400 S POTOMAC ST, #225
AURORA, CO 80012
Arapahoe County (303) 873-5245
SZ-MIN HARLEY MD
Obstetrics & Gynecology
1400 S POTOMAC ST, #220
AURORA, CO 80012
Arapahoe County (303) 690-2198
DR. STEPHEN N ALIX M.D.
Internal Medicine
1400 S POTOMAC ST, SUITE 110
AURORA, CO 80012
Arapahoe County (303) 745-0000
DR. TYLER M LEWARK M.D.
Otolaryngology
1400 S POTOMAC ST, SUITE 240
AURORA, CO 80012
Arapahoe County (303) 750-8600
MRS. NANETTE E LANDRY CNM
Advanced Practice Midwife
1400 S POTOMAC ST, #225
AURORA, CO 80012
Arapahoe County (303) 873-5245
NATHAN WELLS
Audiologist
1400 S POTOMAC ST, #240
AURORA, CO 80012
Arapahoe County (303) 750-8600
SURGONE, PC
Surgery
1400 S POTOMAC ST, SUITE 120
AURORA, CO 80012
Arapahoe County (303) 839-5669
DR. HOWARD LOUIS CORREN MD
Family Medicine
1400 S POTOMAC ST, #190
AURORA, CO 80012
Arapahoe County (720) 979-0836

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 William Chisholm's NPI number?

The NPI number for William Chisholm is 1932425923. It was assigned to this individual provider in the NPPES registry on April 15, 2010.

Where is William Chisholm located?

William Chisholm practices at 1400 S Potomac St #150, Aurora, CO 80012. The listed phone number is (303) 306-4321.

What is William Chisholm's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is William Chisholm enrolled in Medicare?

Yes. William Chisholm 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 William Chisholm was last updated on May 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.