Active NPI 1780620062 Individual Practitioner Male Practitioner

Dr. Michael Marohn , DO

Surgery • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Dr. Michael Marohn, DO is a registered healthcare professional specializing in Surgery in Baltimore, MD. Practice services are available at 600 N WOLFE ST under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, follow-up hospital inpatient care per day, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

600 N Wolfe St

Baltimore, MD 212870005

Telephone 4109555464

Associated Practice Facility / Clinic

🏢 Johns Hopkins University Facility NPI 1801891080

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Baltimore, MD

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 22.8 Yrs

State Avg: 28.6 Yrs

Regional Practice Density

266 Specialists

Practicing in Baltimore, MD (717 Statewide)

Telehealth Adoption Rate

12.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	64	$243.00	$139.34
99231 Follow-up hospital inpatient care per day, typically 15 minutes	80	30	$121.00	$41.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$411.13	$177.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	33	$222.00	$77.10
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	22	22	$4977.00	$1698.19
47562 Removal of gallbladder using an endoscope	12	12	$2133.00	$750.72
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$158.00	$100.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	53	27	$121.00	$42.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	46	$243.00	$117.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$408.00	$171.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	29	27	$222.00	$78.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$243.00	$85.37
99213 Established patient office or other outpatient visit, typically 15 minutes	20	20	$158.00	$55.34
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	16	16	$4977.00	$1777.19
43659 Stomach procedure using an endoscope	14	14	$4841.87	$720.64
47562 Removal of gallbladder using an endoscope	12	12	$2133.00	$712.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$239.00	$115.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	87	74	$158.00	$54.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	68	$243.00	$83.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$408.00	$136.85
99231 Follow-up hospital inpatient care per day, typically 15 minutes	48	20	$121.00	$42.20
43659 Stomach procedure using an endoscope	29	29	$4735.94	$772.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$239.00	$82.06
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	28	28	$4977.00	$1690.13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	19	$224.71	$74.20
47562 Removal of gallbladder using an endoscope	13	13	$2215.04	$725.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	140	106	$158.00	$53.97
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	15	$121.00	$41.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	49	49	$239.00	$81.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	31	$243.00	$83.03
43659 Stomach procedure using an endoscope	28	28	$4600.42	$1382.49
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$408.00	$137.33
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	15	$222.00	$77.07
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	17	17	$4977.00	$1705.98
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	12	12	$5592.00	$1923.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	184	120	$158.00	$52.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	58	$241.05	$80.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	55	18	$121.00	$41.32
43659 Stomach procedure using an endoscope	34	33	$4592.44	$1370.76
43282 Repair of hernia of muscle at esophagus and stomach with implantation of mesh using an endoscope	28	28	$5592.00	$1907.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	22	$243.00	$80.40
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	19	$222.00	$75.83
47562 Removal of gallbladder using an endoscope	14	14	$2133.00	$558.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$408.00	$136.88

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MD H36179

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

403309400 (MD)

Practice Associates & Co-Workers

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

7 Associated Practitioners

S Demos , CRNP

Nurse Practitioner

NPI 1053356808

Certified Registered Nurse Practitioner

Dr. John Cameron , MD

Surgery

NPI 1053379305

Doctor of Medicine (M.D.)

Kyle Terrell , CRNP

Nurse Practitioner

NPI 1245261981

Certified Registered Nurse Practitioner

Dr. Susan Gearhart , MD

Surgery

NPI 1245277029

Doctor of Medicine (M.D.)

Dr. Malcolm Brock , MD

Surgery

NPI 1396702635

Doctor of Medicine (M.D.)

Dr. David Efron , MD

Surgery

NPI 1437190063

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 February 12, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location February 12, 2013

Registered at 600 N WOLFE ST, BALTIMORE, MD 212870005 (Tel: 4109555464)

📍

Updated Business Mailing Address February 12, 2013

Registered at PO BOX 64563, BALTIMORE, MD 212644563 (Tel: 4109555464)

👤

Provider Name / Credentials Updated February 12, 2013

Recorded as MICHAEL MAROHN, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 12, 2013

Surgery (License #H36179 in MD)

🟢

Initial NPI Registration & Enumeration June 22, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Michael Marohn. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1780620062

Entity Type:

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

Enumeration Date: June 22, 2006

Last Update: February 12, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 64563

Baltimore, MD 212644563

Phone: 4109555464

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.