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JAMES DARRELL DEMEREST MSBS, PA-C, RDN
NPI 1083231831
Physician Assistant in Commerce Twp, MI

Active since June 28, 2020PECOS Enrolled
1825 HAWTHORNE RDG, COMMERCE TWP, MI 48390(734) 625-4572 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About James Darrell Demerest Msbs, Pa-c, Rdn NPPES

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

JAMES DARRELL DEMEREST MSBS, PA-C, RDN (NPI 1083231831) is an individual physician assistant in Commerce Twp, Michigan and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Ascension St John Hospital, and is a graduate of University Of Colorado School Of Medicine, Aurora (2024).

NPPES Registry Identity

NPI1083231831
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameJAMES DARRELL DEMERESTCredential: MSBS, PA-C, RDN
Location Address1825 HAWTHORNE RDGCommerce Twp, MI 48390-3917
Mailing Address1825 Hawthorne RdgCommerce Twp, MI 48390-3917 · (734) 625-4572
Phone(734) 625-4572
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, AuroraGraduated 2024
Enumeration DateJune 28, 2020
Last NPPES UpdateJanuary 15, 2025
NPPES CertifiedJanuary 15, 2025
✔ NPI 1083231831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedDietitian, RegisteredTaxonomy 133V00000X · License 86150187 (MI)
1825 HAWTHORNE RDG, Commerce Twp, MI 48390
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James Darrell Demerest Msbs, Pa-c, Rdn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1456877943
PECOS Enrollment IDI20250925003329
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension St John Hospital

Acute Care Hospitals · Detroit, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230165
Location22101 Moross RdDetroit, MI 48236 · Wayne County
Emergency services Birthing friendly

Ascension Macomb Oakland Hosp-Warren Campus

Acute Care Hospitals · Warren, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230195
Location11800 East Twelve Mile RoadWarren, MI 48093 · Macomb County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48390 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
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 James Demerest's NPI number?

The NPI number for James Demerest is 1083231831. It was assigned to this individual provider in the NPPES registry on June 28, 2020.

Where is James Demerest located?

James Demerest practices at 1825 Hawthorne Rdg, Commerce Twp, MI 48390. The listed phone number is (734) 625-4572.

What is James Demerest's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is James Demerest enrolled in Medicare?

Yes. James Demerest is registered in the Medicare PECOS enrollment system.

What insurance does James Demerest accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and CareSource list James Demerest as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is James Demerest affiliated with any hospitals?

According to CMS data, James Demerest is affiliated with Ascension St John Hospital and Ascension Macomb Oakland Hosp-Warren Campus.

When was this NPI record last updated?

The NPPES record for James Demerest was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.