Active NPI 1902891088 Individual Practitioner Male Practitioner

Dr. Mark Darnell , MD

Emergency Medicine • Lancaster, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Darnell, MD is a certified Emergency Medicine practicing in Lancaster, OH. With approximately 39 years of clinical experience since graduating from West Virginia University School Of Medicine in 1987, Dr. Darnell delivers high-quality medical care to the local community at 401 N EWING ST.

Dr. Darnell is affiliated with Emergency Medicine Physicians Of Lancaster Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, emergency department visit for life threatening or functioning severity, emergency department visit with moderate level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

401 N Ewing St

Lancaster, OH 431303372

Telephone 7406878000

Fax 7406878939

Associated Practice Facility / Clinic

🏢 Fairfield Anesthesia Associates Inc Facility NPI 1205836871

Medicare Profile & Education

Medical School

West Virginia University School Of Medicine

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Lancaster, OH

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +17.7 yrs vs City Avg

City Avg: 21.3 Yrs

State Avg: 21.5 Yrs

Regional Practice Density

12 Specialists

Practicing in Lancaster, OH (3084 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

90.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Darnell (39 Years) 39 Yrs

Lancaster Specialty Average (21.3 Years) 21.3 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
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	76	71	$80.83	$7.72
99285 Emergency department visit for life threatening or functioning severity	67	66	$1650.37	$167.63
99284 Emergency department visit with moderate level of medical decision making	19	19	$1118.21	$104.66
99291 Critical care, first 30-74 minutes	17	16	$2128.64	$204.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	103	97	$78.48	$7.79
99285 Emergency department visit for life threatening or functioning severity	63	63	$1602.30	$170.83
99284 Emergency department visit with moderate level of medical decision making	30	30	$1085.64	$119.21
99291 Critical care, first 30-74 minutes	27	27	$2066.64	$208.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	173	158	$78.43	$8.03
99285 Emergency department visit for life threatening or functioning severity	84	82	$1600.63	$176.83
99284 Emergency department visit with moderate level of medical decision making	29	29	$1084.55	$123.00
99291 Critical care, first 30-74 minutes	24	23	$2064.13	$198.40
99283 Emergency department visit with low level of medical decision making	20	19	$572.24	$66.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	173	162	$76.19	$8.08
99285 Emergency department visit for life threatening or functioning severity	70	69	$1555.63	$173.64
99284 Emergency department visit with moderate level of medical decision making	31	31	$1054.02	$121.97
99291 Critical care, first 30-74 minutes	28	27	$2006.44	$211.38
99283 Emergency department visit with low level of medical decision making	20	19	$555.58	$72.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	277	254	$73.97	$8.37
99285 Emergency department visit for life threatening or functioning severity	202	185	$1510.32	$169.81
99284 Emergency department visit with moderate level of medical decision making	71	70	$1023.32	$120.81
99291 Critical care, first 30-74 minutes	60	58	$1948.00	$219.46
99283 Emergency department visit with low level of medical decision making	23	23	$539.40	$59.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	359	337	$1438.40	$170.77
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	342	320	$70.45	$8.33
99291 Critical care, first 30-74 minutes	87	84	$1855.24	$212.31
99284 Emergency department visit with moderate level of medical decision making	85	80	$974.59	$116.82
99283 Emergency department visit with low level of medical decision making	28	27	$513.71	$61.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity	426	401	$1396.50	$168.71
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	342	313	$68.40	$8.25
99284 Emergency department visit with moderate level of medical decision making	222	207	$946.20	$114.46
99283 Emergency department visit with low level of medical decision making	43	43	$498.75	$61.21
99291 Critical care, first 30-74 minutes	31	31	$1801.20	$211.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	320	301	$41.65	$8.29
99285 Emergency department visit for life threatening or functioning severity	299	296	$858.26	$170.26
99284 Emergency department visit with moderate level of medical decision making	158	157	$581.59	$115.83
99283 Emergency department visit with low level of medical decision making	52	52	$307.23	$61.06
99291 Critical care, first 30-74 minutes	29	28	$1098.52	$219.06

Medical Specialties & State Licenses

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License OH 35057532D

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

0816237 (OH)

Hospital & Practice Group Affiliations

Emergency Medicine Physicians Of Lancaster Ltd

401 N Ewing St, Lancaster, OH 431303372

Phone: 7406878101

Practice Associates & Co-Workers

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

40 Associated Practitioners

Susan Marque , MS, RD, LD

Dietitian, Registered

NPI 1033180864

Master of Science, Registered Dietitian, Licensed Dietitian

Jennifer Hellmich , RD, LD

Dietitian, Registered

NPI 1043281884

Registered Dietitian, Licensed Dietitian

Michelle Decoste

Emergency Medicine

NPI 1083609978

Sherry Parmenter , RD, LD

Dietitian, Registered

NPI 1083685978

Registered Dietitian, Licensed Dietitian

Dr. Leon Hughes , MD

Internal Medicine

NPI 1083696207

Doctor of Medicine (M.D.)

Steven Nguy

Student in an Organized Health Care Education/Training Program

NPI 1104672286

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active June 03, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location June 03, 2011

Registered at 401 N EWING ST, LANCASTER, OH 431303372 (Tel: 7406878000)

📍

Updated Business Mailing Address June 03, 2011

Registered at PO BOX 713464, CINCINNATI, OH 452710001 (Tel: 7406878990)

👤

Provider Name / Credentials Updated June 03, 2011

Recorded as MARK DARNELL, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 03, 2011

Emergency Medicine (License #35057532D in OH)

🟢

Initial NPI Registration & Enumeration September 15, 2005

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: 1902891088

Entity Type:

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

Enumeration Date: September 15, 2005

Last Update: June 03, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 713464

Cincinnati, OH 452710001

Phone: 7406878990

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.