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DR. JAMES NELSON DEMUTH MD
NPI 1568568665
Internal Medicine in Lansing, MI

Active since September 15, 2006PECOS EnrolledAccepts Medicare Assignment
1200 E MICHIGAN AVE, SUITE 530, LANSING, MI 48912(517) 364-5880(517) 364-5887 Get Directions Write a Review

NPPES record last updated: February 10, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 10, 2021, Aug 24, 2020 (2 updates tracked since 2020).

About Dr. James Nelson Demuth Md NPPES

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

DR. JAMES NELSON DEMUTH MD (NPI 1568568665) is an individual internal medicine provider in Lansing, Michigan, licensed in Michigan (4301076699) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (2000).

NPPES Registry Identity

NPI1568568665
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES NELSON DEMUTHCredential: MD
Location Address1200 E MICHIGAN AVE, SUITE 530Lansing, MI 48912-1800
Mailing AddressPo Box 13008Lansing, MI 48901-3008 · (517) 364-6253 · Fax (517) 364-6208
Phone(517) 364-5880
Fax(517) 364-5887
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2000
Enumeration DateSeptember 15, 2006
Last NPPES UpdateFebruary 10, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2021
✔ NPI 1568568665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301076699
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1200 E MICHIGAN AVE, Lansing, MI 48912
Open in Google Maps ↗

Other Identifiers 2

Other1103310772MI · Bcbs Individual Pin
Medicaid4609393MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Priority Health.Insurance ›

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

Dr. James Nelson Demuth 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 ID3173414984
PECOS Enrollment IDI20040322001552
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

5

Medicare enrollment records show James Demuth reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward W. Sparrow Hospital Association
Same address
Family Medicine
1200 E MICHIGAN AVE, SUITE 325
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 916 clinicians in this Medicare group
NPI 1427004183 (517) 364-5160
Sparrow Specialty Hospital
0.1 mi
Long Term Care Hospital
1215 E. MICHIGAN AVE, 8W TOWER
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 104 clinicians in this Medicare group
NPI 1437655842 (517) 364-2614
Vituity - Michigan Hospitalists PC
0.1 mi
Hospitalist
1215 E MICHIGAN AVE
Lansing, MI 48912
  • Reassigned Medicare billing, Michigan enrollment
  • 115 clinicians in this Medicare group
NPI 1487278156 (517) 364-1000
Sparrow Clinton Hospital
18 mi
Multi-Specialty
901 S OAKLAND ST
Saint Johns, MI 48879
  • Reassigned Medicare billing, Michigan enrollment
  • 114 clinicians in this Medicare group
NPI 1306893078 (989) 224-2338
Sparrow Ionia Hospital
20 mi
Rural Health
9751 E GRAND RIVER AVE
Portland, MI 48875
  • Reassigned Medicare billing, Michigan enrollment
  • 317 clinicians in this Medicare group
NPI 1295801108 (517) 647-6722

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 3

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
194 services33 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
69 services30 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
40 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48912 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

SHIMIA ISAAC D.O.
Family Medicine
1200 E MICHIGAN AVE, SUITE 245
LANSING, MI 48912
Ingham County (517) 364-5772
DEBRA MARIE PIERCE M.D.
Surgery
1200 E MICHIGAN AVE, SUITE 655
LANSING, MI 48912
Ingham County (517) 267-2460
KATRINA ANNE WEIRAUCH ENGLE D.O.
Family Medicine
1200 E MICHIGAN AVE, SUITE 245-C
LANSING, MI 48912
Ingham County (517) 364-5772
MR. IMU AMIRALI ESMAIL MD
Anesthesiology
1200 E MICHIGAN AVE, SUITE 370
LANSING, MI 48912
Ingham County (517) 484-4451
DR. RENUKA GERA M.D.
Pediatrics (Pediatric Hematology-Oncology)
1200 E MICHIGAN AVE, STE 145
LANSING, MI 48912
Ingham County (517) 364-5440
DAVID MALDONADO
Technician/Technologist (Optician)
1200 E MICHIGAN AVE, SUITE 110
LANSING, MI 48912
Ingham County (517) 364-5875
TONI MARIE MCFARLAND M.A., L.P.C.
Counselor
1200 E MICHIGAN AVE, SUITE 630
LANSING, MI 48912
Ingham County (517) 364-5130
EDWARD W SPARROW HOSPITAL ASSOCIATION
Internal Medicine
1200 E MICHIGAN AVE, SUITE 500
LANSING, MI 48912
Ingham County (517) 364-5123

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 Demuth's NPI number?

The NPI number for James Demuth is 1568568665. It was assigned to this individual provider in the NPPES registry on September 15, 2006.

Where is James Demuth located?

James Demuth practices at 1200 E Michigan Ave Suite 530, Lansing, MI 48912. The listed phone number is (517) 364-5880.

What is James Demuth's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Demuth enrolled in Medicare?

Yes. James Demuth 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.

Which organizations bill Medicare for James Demuth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Demuth reassigns Medicare benefits to 5 organizations: Edward W. Sparrow Hospital Association (Lansing, MI), Sparrow Specialty Hospital (Lansing, MI), Vituity - Michigan Hospitalists PC (Lansing, MI), Sparrow Clinton Hospital (Saint Johns, MI) and Sparrow Ionia Hospital (Portland, MI). 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 James Demuth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Demuth accept?

Health plans from Priority Health list James Demuth 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.

When was this NPI record last updated?

The NPPES record for James Demuth was last updated on February 10, 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.