Active NPI 1184956773 Individual Practitioner Female Practitioner

Dr. Emily Ann Marcus , MD

Internal Medicine • Baltimore, MD

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Emily Marcus, MD is a certified Internal Medicine practicing in Baltimore, MD. With approximately 15 years of clinical experience since graduating from Johns Hopkins University School Of Medicine in 2011, Dr. Marcus delivers high-quality medical care to the local community at 301 SAINT PAUL ST.

Dr. Marcus maintains professional affiliations with St Paul Place Specialists, Inc., Maryland Family Care Inc 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, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

301 Saint Paul St

Baltimore, MD 212022102

Telephone 4103329000

Fax 4105765486

Associated Practice Facility / Clinic

🏢 Michael Sellman, M.d., P.a. Facility NPI 1033163951

Medicare Profile & Education

Medical School

Johns Hopkins University School Of Medicine

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Baltimore, MD

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -5.3 yrs vs City Avg

City Avg: 20.3 Yrs

State Avg: 28.1 Yrs

Regional Practice Density

1337 Specialists

Practicing in Baltimore, MD (4114 Statewide)

Telehealth Adoption Rate

21.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marcus (15 Years) 15 Yrs

Baltimore Specialty Average (20.3 Years) 20.3 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	499	192	$334.00	$124.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	304	161	$234.00	$82.78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	226	213	$652.00	$180.51
99238 Hospital discharge day management, 30 minutes or less	159	154	$237.00	$85.45
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	72	25	$226.00	$78.74
99239 Hospital discharge day management, more than 30 minutes	36	34	$346.00	$120.36
99221 Initial hospital inpatient care per day, typically 30 minutes	35	35	$329.00	$87.39

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	403	186	$234.00	$83.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	236	217	$652.00	$182.19
99238 Hospital discharge day management, 30 minutes or less	171	162	$237.00	$85.23
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	136	81	$334.00	$125.26
99231 Follow-up hospital inpatient care per day, typically 15 minutes	110	53	$127.00	$52.49
99221 Initial hospital inpatient care per day, typically 30 minutes	99	75	$329.00	$88.04
99239 Hospital discharge day management, more than 30 minutes	28	28	$346.00	$120.94
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	25	11	$226.00	$72.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$455.29	$137.26

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	365	134	$334.00	$107.68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	170	96	$234.00	$74.41
99220 Hospital observation care, typically 70 minutes	157	149	$589.00	$187.54
99238 Hospital discharge day management, 30 minutes or less	94	88	$237.00	$75.07
99217 Hospital observation care on day of discharge	76	73	$235.00	$73.61
99225 Subsequent observation care, typically 25 minutes per day	70	49	$234.00	$72.92
99226 Subsequent observation care, typically 35 minutes per day	67	50	$334.00	$105.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	52	50	$652.00	$205.63
99221 Initial hospital inpatient care per day, typically 30 minutes	29	28	$329.00	$106.66
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	27	11	$226.00	$72.55
99218 Hospital observation care typically 30 minutes	24	24	$321.00	$102.78

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	457	169	$334.01	$108.89
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	248	134	$234.00	$76.24
99220 Hospital observation care, typically 70 minutes	144	140	$590.04	$191.46
99238 Hospital discharge day management, 30 minutes or less	113	110	$237.00	$76.21
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	90	89	$652.17	$208.38
99217 Hospital observation care on day of discharge	71	69	$235.00	$76.81
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	41	15	$226.00	$73.65
99225 Subsequent observation care, typically 25 minutes per day	39	30	$234.00	$68.39
99226 Subsequent observation care, typically 35 minutes per day	31	26	$334.00	$109.51
99221 Initial hospital inpatient care per day, typically 30 minutes	27	27	$329.00	$107.86

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	490	215	$234.17	$77.39
99220 Hospital observation care, typically 70 minutes	164	150	$598.85	$197.53
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	148	76	$337.00	$111.17
99238 Hospital discharge day management, 30 minutes or less	142	135	$236.88	$78.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	109	106	$654.67	$217.20
99225 Subsequent observation care, typically 25 minutes per day	66	55	$235.08	$77.95
99217 Hospital observation care on day of discharge	52	52	$236.00	$78.19
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	46	22	$225.00	$74.31
99221 Initial hospital inpatient care per day, typically 30 minutes	38	38	$332.00	$106.90
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	15	15	$419.00	$138.48

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	703	283	$235.00	$75.95
99238 Hospital discharge day management, 30 minutes or less	184	179	$236.04	$76.82
99220 Hospital observation care, typically 70 minutes	125	124	$597.10	$196.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	89	88	$442.00	$143.71
99225 Subsequent observation care, typically 25 minutes per day	81	66	$236.00	$77.16
99219 Hospital observation care, typically 50 minutes	78	78	$438.00	$143.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	73	71	$651.07	$210.39
99217 Hospital observation care on day of discharge	71	71	$236.01	$77.36
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	20	15	$335.30	$104.75

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	902	305	$235.00	$77.07
99238 Hospital discharge day management, 30 minutes or less	205	195	$237.00	$77.67
99219 Hospital observation care, typically 50 minutes	138	138	$440.00	$144.06
99220 Hospital observation care, typically 70 minutes	102	95	$601.00	$194.19
99217 Hospital observation care on day of discharge	95	94	$237.00	$77.67
99225 Subsequent observation care, typically 25 minutes per day	75	69	$236.00	$77.41
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	51	51	$656.00	$214.86
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	50	50	$442.00	$144.94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	40	20	$337.00	$110.32

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	744	273	$232.00	$75.83
99219 Hospital observation care, typically 50 minutes	208	205	$436.00	$142.83
99238 Hospital discharge day management, 30 minutes or less	182	177	$234.00	$76.13
99220 Hospital observation care, typically 70 minutes	130	120	$596.00	$192.37
99225 Subsequent observation care, typically 25 minutes per day	123	105	$234.00	$76.60
99217 Hospital observation care on day of discharge	108	103	$235.00	$76.88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	67	67	$440.00	$142.41
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	38	$651.00	$213.28
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	32	22	$335.00	$109.73

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D77898

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.

Hospital & Practice Group Affiliations

Maryland Family Care Inc

7602 Belair Rd, Baltimore, MD 212364088

Phone: 4106638100

St Paul Place Specialists, Inc.

301 Saint Paul St, Baltimore, MD 212022102

Phone: 4106592800

Maryland Family Care Inc

301 Saint Paul St, Baltimore, MD 212022102

Practice Associates & Co-Workers

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

40 Associated Practitioners

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Psychiatry & Neurology - Neurology

NPI 1003134503

Doctor of Medicine (M.D.)

Courtney Roberts

Nurse Practitioner - Family

NPI 1013587914

Amara Unegbu-Ogbonna , PA-C

Physician Assistant

NPI 1013674076

Physician Assistant (Certified)

Carolina Ayala , CRNP

Nurse Practitioner - Primary Care

NPI 1023973187

Certified Registered Nurse Practitioner

Angela Gahres , NP

Nurse Practitioner - Gerontology

NPI 1043919335

Nurse Practitioner

William Bundesen , LCSW-C

Social Worker - Clinical

NPI 1053715219

Licensed Clinical Social Worker - Certified

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active February 13, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location February 13, 2015

Registered at 301 SAINT PAUL ST, BALTIMORE, MD 212022102 (Tel: 4103329000)

📍

Updated Business Mailing Address February 13, 2015

Registered at 301 SAINT PAUL ST, BALTIMORE, MD 212022102 (Tel: 4103329000)

👤

Provider Name / Credentials Updated February 13, 2015

Recorded as EMILY MARCUS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2015

Internal Medicine (License #D77898 in MD)

🟢

Initial NPI Registration & Enumeration February 05, 2010

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: 1184956773

Entity Type:

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

Enumeration Date: February 05, 2010

Last Update: February 13, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

301 Saint Paul St

Baltimore, MD 212022102

Phone: 4103329000

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.