Active NPI 1568568665 Individual Practitioner Male Practitioner

Dr. James Nelson Demuth , MD

Internal Medicine • Lansing, MI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Demuth, MD is a certified Internal Medicine practicing in Lansing, MI. With approximately 26 years of clinical experience since graduating from University Of Texas Medical Branch At Galveston in 2000, Dr. Demuth delivers high-quality medical care to the local community at 1200 E MICHIGAN AVE.

Dr. Demuth is affiliated with Edward W Sparrow Hospital Association and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1200 E Michigan Ave
Suite 530

Lansing, MI 489121800

Telephone 5173645880

Fax 5173645887

Associated Practice Facility / Clinic

🏢 Michigan State University Facility NPI 1205880333

Medicare Profile & Education

Medical School

University Of Texas Medical Branch At Galveston

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lansing, MI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs +8.3 yrs vs City Avg

City Avg: 17.7 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

138 Specialists

Practicing in Lansing, MI (6010 Statewide)

Telehealth Adoption Rate

9.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

38.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Demuth (26 Years) 26 Yrs

Lansing Specialty Average (17.7 Years) 17.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	194	33	$71.00	$47.34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	69	30	$145.39	$75.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	40	36	$186.30	$124.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	357	43	$60.89	$48.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	227	46	$110.07	$76.51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	55	50	$186.00	$125.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	43	27	$555.63	$115.08
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$1138.00	$167.65
99239 Hospital discharge day management, more than 30 minutes	13	13	$618.00	$110.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	264	55	$107.00	$69.60
99231 Follow-up hospital inpatient care per day, typically 15 minutes	167	30	$52.00	$37.84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	47	44	$186.00	$131.94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$997.84	$191.49
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	11	$498.43	$99.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	28	15	$534.86	$101.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	26	26	$1033.00	$197.41
99239 Hospital discharge day management, more than 30 minutes	14	13	$564.00	$104.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	178	91	$162.31	$101.81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	100	44	$131.13	$72.15
99239 Hospital discharge day management, more than 30 minutes	47	47	$245.62	$106.50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$571.18	$202.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	322	179	$141.00	$102.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	169	110	$98.00	$71.96
99239 Hospital discharge day management, more than 30 minutes	93	91	$203.00	$105.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	62	60	$274.00	$200.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	31	$183.00	$135.49
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	13	$53.00	$38.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	406	191	$140.01	$100.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	116	86	$97.31	$70.09
99239 Hospital discharge day management, more than 30 minutes	83	82	$201.51	$103.02
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	65	$271.32	$187.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$183.00	$131.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	484	178	$138.00	$99.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	120	69	$96.00	$69.06
99239 Hospital discharge day management, more than 30 minutes	95	95	$185.11	$102.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	57	57	$268.00	$193.86
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$183.00	$122.83
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	11	11	$15.00	$8.16

Medical Specialties & State Licenses

CMS Verified: 2021-02-10

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI 4301076699

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

4609393 (MI)

Commercial Insurance / Payer ID Bcbs Individual Pin

1103310772 (MI)

Hospital & Practice Group Affiliations

Edward W Sparrow Hospital Association

1210 W Saginaw St, Lansing, MI 489151927

Edward W Sparrow Hospital Association

1210 W Saginaw St Fl, Lansing, MI 489151927

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

11 Associated Practitioners

Dr. Ovidiu Batca , MD

Internal Medicine

NPI 1093761967

Doctor of Medicine (M.D.)

Gayle Yankee , NP

Nurse Practitioner

NPI 1316951189

Nurse Practitioner

Dr. Mandar Ajgaonkar , MD

Internal Medicine

NPI 1477717452

Doctor of Medicine (M.D.)

Dr. Carolyn Whatley , MD

Internal Medicine

NPI 1487750022

Doctor of Medicine (M.D.)

Donald Taylor , PA

Physician Assistant

NPI 1568779940

Physician Assistant

Dr. James Haering , DO

Internal Medicine

NPI 1679664775

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1200 E MICHIGAN AVE, SUITE 530, LANSING, MI 489121800 (Tel: 5173645880)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 13008, LANSING, MI 489013008 (Tel: 5173646253)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as JAMES DEMUTH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #4301076699 in MI)

🟢

Initial NPI Registration & Enumeration September 15, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1568568665

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: September 15, 2006

Last Update: February 10, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 13008

Lansing, MI 489013008

Phone: 5173646253

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.