Active NPI 1841300761 Individual Practitioner Male Practitioner

Dr. Mark H. Entrup , DO

Internal Medicine • Springfield, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Entrup, DO is a certified Internal Medicine practicing in Springfield, MO. With approximately 36 years of clinical experience since graduating from R Franklin University Of Med & Sci/Chicago Medical School in 1990, Dr. Entrup delivers high-quality medical care to the local community at 3801 S NATIONAL AVE.

Dr. Entrup is affiliated with Lester E Cox Medical Centers and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, initial hospital care with moderate level of 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

3801 S National Ave

Springfield, MO 658075210

Telephone 4172697728

Fax 4172697729

Associated Practice Facility / Clinic

🏢 Lester E Cox Medical Centers Facility NPI 1952355646

Medicare Profile & Education

Medical School

R Franklin University Of Med & Sci/chicago Medical School

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Springfield, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +13.8 yrs vs City Avg

City Avg: 22.2 Yrs

State Avg: 25.5 Yrs

Regional Practice Density

147 Specialists

Practicing in Springfield, MO (2747 Statewide)

Telehealth Adoption Rate

12.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Entrup (36 Years) 36 Yrs

Springfield Specialty Average (22.2 Years) 22.2 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	294	133	$184.53	$73.78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	128	62	$265.78	$111.05
99238 Hospital discharge day management, 30 minutes or less	79	77	$198.91	$75.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	45	45	$510.27	$162.28
99239 Hospital discharge day management, more than 30 minutes	43	40	$265.12	$106.27
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	13	$363.00	$122.75

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	473	175	$158.40	$75.65
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	112	75	$226.80	$114.33
99238 Hospital discharge day management, 30 minutes or less	65	62	$161.07	$76.18
99239 Hospital discharge day management, more than 30 minutes	62	59	$228.00	$109.30
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	35	$427.20	$166.60

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	456	186	$158.40	$67.01
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	99	66	$226.80	$96.57
99238 Hospital discharge day management, 30 minutes or less	63	62	$156.00	$67.15
99239 Hospital discharge day management, more than 30 minutes	35	35	$228.00	$98.36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$427.20	$186.71
99226 Subsequent observation care, typically 35 minutes per day	21	19	$175.20	$95.33
99217 Hospital observation care on day of discharge	18	18	$157.20	$66.69
99225 Subsequent observation care, typically 25 minutes per day	14	11	$117.60	$66.67

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	418	181	$132.00	$67.96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	90	58	$189.00	$98.21
99238 Hospital discharge day management, 30 minutes or less	66	66	$130.00	$68.07
99239 Hospital discharge day management, more than 30 minutes	27	27	$190.00	$100.38
99226 Subsequent observation care, typically 35 minutes per day	22	19	$146.00	$98.21
99217 Hospital observation care on day of discharge	20	20	$131.00	$68.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$356.00	$190.34

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	380	187	$132.00	$70.16
99238 Hospital discharge day management, 30 minutes or less	94	93	$130.00	$70.13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	56	39	$189.00	$101.04
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	38	$356.00	$196.26
99226 Subsequent observation care, typically 35 minutes per day	18	18	$146.00	$101.54
99217 Hospital observation care on day of discharge	17	17	$131.00	$69.78

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	578	266	$132.00	$70.67
99238 Hospital discharge day management, 30 minutes or less	178	173	$130.00	$70.73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	88	62	$189.00	$101.52
99226 Subsequent observation care, typically 35 minutes per day	37	27	$146.00	$102.10
99217 Hospital observation care on day of discharge	33	33	$131.00	$70.73
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	12	$73.00	$35.83

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	619	273	$132.00	$69.82
99238 Hospital discharge day management, 30 minutes or less	168	163	$130.00	$69.07
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	110	79	$189.00	$99.99
99226 Subsequent observation care, typically 35 minutes per day	31	23	$146.00	$101.10
99217 Hospital observation care on day of discharge	22	22	$131.00	$69.90

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	673	316	$132.17	$69.11
99238 Hospital discharge day management, 30 minutes or less	158	157	$130.00	$68.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	146	95	$189.00	$99.97
99239 Hospital discharge day management, more than 30 minutes	36	36	$190.00	$102.04
99226 Subsequent observation care, typically 35 minutes per day	17	15	$146.00	$100.56
99217 Hospital observation care on day of discharge	17	17	$131.00	$69.22

Medical Specialties & State Licenses

CMS Verified: 2020-03-23

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MO 100131

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

246655427 (MO)

Commercial Insurance / Payer ID Blue Cross Mo

10066

Hospital & Practice Group Affiliations

Lester E Cox Medical Centers

3801 S National Ave, Springfield, MO 658076090

Phone: 4172697728

Lester E Cox Medical Centers

3801 S National Ave, Springfield, MO 658075210

Phone: 4172697820

Lester E Cox Medical Centers

3801 S National Ave, Springfield, MO 658075210

Phone: 4172697728

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dawn Viets , NNP

Nurse Practitioner - Pediatrics

NPI 1053359091

Cindy Yager , FNP

Nurse Practitioner - Family

NPI 1053708040

Family Nurse Practitioner

Dr. Betty Abban , MD

Internal Medicine

NPI 1063893162

Doctor of Medicine (M.D.)

Traci Bilyeu , PA-C

Physician Assistant

NPI 1073653135

Physician Assistant (Certified)

Dr. Brittany Montavon , MD

Pediatrics - Neonatal-Perinatal Medicine

NPI 1073909214

Doctor of Medicine (M.D.)

Dr. Nana Gaisie , MD

Internal Medicine

NPI 1083857965

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location March 23, 2020

Registered at 3801 S NATIONAL AVE, SPRINGFIELD, MO 658075210 (Tel: 4172697728)

✅

NPI Profile Active January 10, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location January 10, 2013

Registered at 3801 S NATIONAL AVE, 5TH FLOOR, SPRINGFIELD, MO 658075210 (Tel: 4172697728)

📍

Updated Business Mailing Address January 10, 2013

Registered at PO BOX 4046, SPRINGFIELD, MO 658084046 (Tel: 4172697728)

👤

Provider Name / Credentials Updated January 10, 2013

Recorded as MARK ENTRUP, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 10, 2013

Internal Medicine (License #100131 in MO)

🟢

Initial NPI Registration & Enumeration August 30, 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: 1841300761

Entity Type:

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

Enumeration Date: August 30, 2006

Last Update: March 23, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 4046

Springfield, MO 658084046

Phone: 4172695712

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.