Active NPI 1104021765 Individual Practitioner Female Practitioner

Dr. Lynn M Larson , DO

Internal Medicine • Owosso, MI

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Lynn Larson, DO is a certified Internal Medicine practicing in Owosso, MI. With approximately 19 years of clinical experience since completing medical education in 2007, Dr. Larson delivers high-quality medical care to the local community at 818 W KING ST STE 101.

Dr. Larson is affiliated with Memorial Hospital and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include initial hospital inpatient care per day, residence visit for established patient with low level of medical decision making, per day, if using time, at least, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

818 W King St Ste 101

Owosso, MI 488672159

Telephone 9897294961

Fax 9897294958

Medicare Profile & Education

Medical School

Other

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Owosso, MI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

19 Yrs -5.4 yrs vs City Avg

City Avg: 24.4 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

15 Specialists

Practicing in Owosso, MI (6010 Statewide)

Telehealth Adoption Rate

26.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

39.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Larson (19 Years) 19 Yrs

Owosso Specialty Average (24.4 Years) 24.4 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
99221 Initial hospital inpatient care per day, typically 30 minutes	93	79	$131.00	$79.76
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	48	17	$151.00	$73.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	42	34	$61.76	$47.54
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	41	30	$276.59	$170.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	21	$248.62	$121.98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	15	$92.00	$75.56
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	15	$212.63	$138.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	83	28	$151.00	$74.42
99221 Initial hospital inpatient care per day, typically 30 minutes	66	61	$131.00	$81.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	34	$251.70	$121.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	41	32	$50.00	$48.95
99213 Established patient office or other outpatient visit, typically 15 minutes	32	21	$212.13	$87.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	30	23	$285.57	$173.45
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	27	$177.00	$127.90
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	22	19	$92.00	$77.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$340.00	$161.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99221 Initial hospital inpatient care per day, typically 30 minutes	93	88	$131.00	$98.57
99335 Established patient assisted living visit, typically 25 minutes	85	25	$169.00	$92.51
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	45	31	$133.00	$100.59
99443 Telephone medical discussion with physician, 21-30 minutes	40	26	$259.70	$124.77
99231 Follow-up hospital inpatient care per day, typically 15 minutes	40	36	$50.00	$37.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	32	$305.03	$176.38
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	24	$92.00	$67.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	24	$245.10	$124.67
99213 Established patient office or other outpatient visit, typically 15 minutes	26	19	$204.23	$87.33
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$177.00	$128.06

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	104	71	$137.15	$100.63
99443 Telephone medical discussion with physician, 21-30 minutes	97	63	$220.54	$124.43
99335 Established patient assisted living visit, typically 25 minutes	66	24	$169.00	$92.68
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	50	36	$294.84	$176.08
99231 Follow-up hospital inpatient care per day, typically 15 minutes	33	26	$51.09	$37.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	20	$94.00	$70.04
99334 Established patient custodial care facility, group care, or assisted living visit, typically 15 minutes	24	13	$108.00	$58.12
99221 Initial hospital inpatient care per day, typically 30 minutes	20	20	$131.00	$98.62
99442 Telephone medical discussion with physician, 11-20 minutes	19	17	$144.74	$86.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$256.38	$125.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	48	33	$314.67	$173.86
99443 Telephone medical discussion with physician, 21-30 minutes	46	31	$129.65	$100.73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	34	34	$177.00	$136.42
99442 Telephone medical discussion with physician, 11-20 minutes	32	16	$89.78	$70.58
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	28	18	$211.43	$123.13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	24	19	$133.00	$102.57
99221 Initial hospital inpatient care per day, typically 30 minutes	23	23	$131.00	$101.08
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	20	17	$92.00	$71.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$171.53	$102.78
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	13	$50.00	$38.97
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	12	$305.57	$141.57
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$138.91	$72.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	29	$177.00	$134.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	27	16	$133.00	$101.73
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	22	16	$313.82	$171.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	21	$260.00	$197.83
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$131.00	$99.39

Medical Specialties & State Licenses

CMS Verified: 2024-10-16

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI 5101017147

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

1104021765 (MI)

Hospital & Practice Group Affiliations

Memorial Hospital

826 W King St, Owosso, MI 488672120

Phone: 9897235211

Practice Associates & Co-Workers

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

11 Associated Practitioners

Travis Scott , FNP-C

Nurse Practitioner - Family

NPI 1225528441

Family Nurse Practitioner (Certified)

Jennica Long

Physician Assistant

NPI 1235951328

Kaelie Gardner

Nurse Practitioner - Family

NPI 1326759135

Karlee Krokos , NP-C

Nurse Practitioner - Family

NPI 1528641479

Nurse Practitioner (Certified)

Dr. Marcos Iza , MD

Family Medicine

NPI 1629005970

Doctor of Medicine (M.D.)

Jacob Perrin , PA-C

Physician Assistant

NPI 1649860776

Physician Assistant (Certified)

Career & Practice History Timeline

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

12 Historical Events

📍

Updated Practice Location October 16, 2024

Registered at 818 W KING ST STE 101, OWOSSO, MI 488672159 (Tel: 9897294961)

📍

Updated Business Mailing Address October 16, 2024

Registered at 818 W KING ST STE 101, OWOSSO, MI 488672159 (Tel: 9897294961)

📍

Updated Practice Location January 17, 2023

Registered at 818 W KING ST STE 103, OWOSSO, MI 488672159 (Tel: 9897294961)

📍

Updated Business Mailing Address January 17, 2023

Registered at 818 W KING ST STE 103, OWOSSO, MI 488672159 (Tel: 9897294961)

📍

Updated Practice Location March 16, 2021

Registered at 1457 N M 52 STE 1, OWOSSO, MI 488671519 (Tel: 9897294961)

📍

Updated Business Mailing Address March 16, 2021

Registered at 1457 N M 52 STE 1, OWOSSO, MI 488671519 (Tel: 9897294961)

✅

NPI Profile Active June 30, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location June 30, 2011

Registered at 3857 COOPER ST, JACKSON, MI 492017547 (Tel: 5177805600)

📍

Updated Business Mailing Address June 30, 2011

Registered at 6452 MILLENNIUM STE 100, LANSING, MI 489177881 (Tel: 5178273149)

👤

Provider Name / Credentials Updated June 30, 2011

Recorded as LYNN LARSON, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 30, 2011

Internal Medicine (License #5101017147 in MI)

🟢

Initial NPI Registration & Enumeration June 15, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1104021765

Entity Type:

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

Enumeration Date: June 15, 2007

Last Update: October 16, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

818 W King St Ste 101

Owosso, MI 488672159

Phone: 9897294961

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.