Active NPI 1982665147 Individual Practitioner Male Practitioner

Dr. Stephen James Mckenna , MD, MBA, FACS

Surgery • Frederick, MD

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Mckenna, MD, MBA, FACS is a certified Surgery practicing in Frederick, MD. With approximately 44 years of clinical experience since graduating from Howard University College Of Medicine in 1982, Dr. Mckenna delivers high-quality medical care to the local community at 187 THOMAS JOHNSON DR.

Dr. Mckenna accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, initial 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

187 Thomas Johnson Dr
Suite 7

Frederick, MD 217024503

Telephone 2404574605

Fax 2404574631

Associated Practice Facility / Clinic

🏢 Amber Hill Physical Therapy, Inc. Facility NPI 1548290224

Medicare Profile & Education

Medical School

Howard University College Of Medicine

Graduation Year

1982

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Frederick, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

44 Yrs +19.0 yrs vs City Avg

City Avg: 25.0 Yrs

State Avg: 28.6 Yrs

Regional Practice Density

21 Specialists

Practicing in Frederick, MD (717 Statewide)

Telehealth Adoption Rate

9.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

48.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mckenna (44 Years) 44 Yrs

Frederick Specialty Average (25.0 Years) 25.0 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
99213 Established patient office or other outpatient visit, typically 15 minutes	61	33	$139.51	$90.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	33	$204.99	$127.50
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	33	33	$394.94	$218.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$314.88	$166.06
99221 Initial hospital inpatient care per day, typically 30 minutes	26	26	$194.16	$84.50
49650 Repair of groin hernia using an endoscope	16	16	$998.77	$432.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	15	$276.12	$179.31
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	14	$261.93	$131.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$206.26	$111.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	75	35	$139.17	$91.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	38	$205.84	$128.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$314.88	$168.03
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	20	20	$394.94	$221.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$276.12	$180.33
49650 Repair of groin hernia using an endoscope	13	13	$840.80	$424.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	76	42	$139.71	$94.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	35	$205.80	$133.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$316.69	$174.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	68	48	$133.16	$95.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$282.21	$173.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	21	$179.97	$131.72
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	14	$237.91	$140.98
49650 Repair of groin hernia using an endoscope	11	11	$1022.00	$435.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$207.33	$169.32
99213 Established patient office or other outpatient visit, typically 15 minutes	39	30	$91.76	$77.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	29	$136.20	$108.99
47562 Removal of gallbladder using an endoscope	11	11	$818.92	$683.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	63	42	$93.77	$75.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	45	36	$144.78	$105.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$219.74	$166.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	57	38	$89.34	$72.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$199.36	$163.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	24	$133.51	$106.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$165.84	$137.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	49	35	$84.38	$69.50
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$186.07	$159.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	32	$122.46	$104.24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	36	17	$84.09	$71.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$234.23	$200.08
47562 Removal of gallbladder using an endoscope	21	21	$809.27	$603.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$152.68	$135.19
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	11	$41.83	$38.80

Medical Specialties & State Licenses

CMS Verified: 2025-06-19

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MD D0031422

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

483881500 (MD)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Tanisha Osbourne , MD

Specialist

NPI 1598945495

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 03, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location March 03, 2016

Registered at 187 THOMAS JOHNSON DR, SUITE 7, FREDERICK, MD 217024503 (Tel: 2404574605)

📍

Updated Business Mailing Address March 03, 2016

Registered at 187 THOMAS JOHNSON DR, SUITE 7, FREDERICK, MD 217024503 (Tel: 2404574605)

👤

Provider Name / Credentials Updated March 03, 2016

Recorded as STEPHEN MCKENNA, MD, MBA, FACS

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 03, 2016

Surgery (License #D0031422 in MD)

🟢

Initial NPI Registration & Enumeration March 29, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1982665147

Entity Type:

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

Enumeration Date: March 29, 2006

Last Update: June 19, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

187 Thomas Johnson Dr, Suite 7

Frederick, MD 217024503

Phone: 2404574605

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.