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WILLIAM COMFORT
NPI 1790072346
Emergency Medicine in Royal Oak, MI

Active since July 05, 2011PECOS Enrolled
3601 W 13 MILE RD, ROYAL OAK, MI 48073(248) 898-2001(248) 898-2017 Get Directions Write a Review

NPPES record last updated: July 5, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William Comfort NPPES

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

WILLIAM COMFORT (NPI 1790072346) is an individual emergency medicine provider in Royal Oak, Michigan, licensed in Michigan (4301099236) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790072346
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameWILLIAM COMFORT
Location Address3601 W 13 MILE RDRoyal Oak, MI 48073-6712
Mailing Address3601 W 13 Mile RdRoyal Oak, MI 48073-6712
Phone(248) 898-2001
Fax(248) 898-2017
Sole ProprietorYes
Enumeration DateJuly 5, 2011
✔ NPI 1790072346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MI · 4301099236
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3601 W 13 MILE RD, Royal Oak, MI 48073
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Comfort 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 Reassignments

4

Medicare enrollment records show William Comfort reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usacs Of Colorado, Inc
1,079 mi
Emergency Medicine
1000 LINCOLN ST
Fort Morgan, CO 80701
  • Reassigned Medicare billing, Colorado enrollment
  • 468 clinicians in this Medicare group
NPI 1659156610 (844) 474-4019
Emergency Professionals Of Colorado, PC
1,123 mi
Emergency Medicine
1801 16TH ST
Greeley, CO 80631
  • Reassigned Medicare billing, Colorado enrollment
  • 111 clinicians in this Medicare group
NPI 1366835415 (925) 924-1600
Usacs Community Emergency Services Of Colorado, Inc.
1,142 mi
Emergency Medicine
4943 STATE HIGHWAY 52 STE 100
Dacono, CO 80514
  • Reassigned Medicare billing, Colorado enrollment
  • 352 clinicians in this Medicare group
NPI 1548895030 (330) 493-4443
Governor Juan F. Luis Hospital & Medical Center
General Acute Care Hospital
#4007 ESTATE DIAMOND RUBY
Christiansted, St. Croix, VI 00821
  • Reassigned Medicare billing, U.S. Virgin Islands enrollment
  • 331 clinicians in this Medicare group
NPI 1972503647 (340) 778-6311

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
72 services69 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
49 services46 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
25 services25 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

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.

AMIT BAHL MD, MPH
Emergency Medicine
3601 W 13 MILE RD, WILLIAM BEAUMONT HOSPITAL
ROYAL OAK, MI 48073
Oakland County (248) 898-0575
CATHERINE LEE PA
Physician Assistant
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 423-2481
DR. APARNA HARIHARAN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-9060
TERRENCE METZ
Radiology (Diagnostic Radiology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-5000
NICOLE MARIJANOVICH MD
Internal Medicine
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-7999
VINAYATA MANUBALLA KARETI D.O.
Internal Medicine (Gastroenterology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (661) 948-0803
WESLEY RICHARD BARNES M.D.
Surgery
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-2800
MELISSA JOY DREWRY M.D.
Pediatrics
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Oakland County (248) 898-5000

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 Comfort's NPI number?

The NPI number for William Comfort is 1790072346. It was assigned to this individual provider in the NPPES registry on July 5, 2011.

Where is William Comfort located?

William Comfort practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-2001.

What is William Comfort's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is William Comfort enrolled in Medicare?

Yes. William Comfort is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Comfort's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Comfort reassigns Medicare benefits to 4 organizations: Usacs Of Colorado, Inc (Fort Morgan, CO), Emergency Professionals Of Colorado, PC (Greeley, CO), Usacs Community Emergency Services Of Colorado, Inc. (Dacono, CO) and Governor Juan F. Luis Hospital & Medical Center (Christiansted, St. Croix, VI). Each 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 William Comfort's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Comfort was last updated on July 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.