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Active NPI 1700270360 Individual Practitioner Male Practitioner

Dr. Brian Hasselfeld , MD

Internal Medicine • Baltimore, MD

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Brian Hasselfeld, MD is a certified Internal Medicine practicing in Baltimore, MD. With approximately 11 years of clinical experience since graduating from Tulane University School Of Medicine in 2015, Dr. Hasselfeld delivers high-quality medical care to the local community at 1501 S CLINTON ST STE 200.

Dr. Hasselfeld is affiliated with Johns Hopkins Community Physicians, Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1501 S Clinton St Ste 200

Baltimore, MD 21224

Telephone 4105229940
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Tulane University School Of Medicine

Graduation Year

2015

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
11 Yrs -9.3 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
55.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hasselfeld (11 Years) 11 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
36415 Insertion of needle into vein for collection of blood sample
41 25 $15.00 $8.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
28 18 $263.00 $107.16
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
21 21 $286.00 $134.43
99213 Established patient office or other outpatient visit, typically 15 minutes
18 14 $178.00 $79.63

Medical Specialties & State Licenses

CMS Verified: 2022-10-05
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D87400

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MA 263189

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Johns Hopkins Community Physicians, Inc

1000 E Eager St, Baltimore, MD 212025533

Phone: 4105229800

Johns Hopkins Community Physicians, Inc

1501 S Clinton St, Baltimore, MD 212245748

Phone: 4105229940

Secondary Practice Locations

75 Francis St

Boston, MA 021156110

Phone: 6177325500

Practice Associates & Co-Workers

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

11 Associated Practitioners
Karen Radowich , NP-C

Nurse Practitioner - Family

NPI 1114275849

Nurse Practitioner (Certified)

NPI 1124122494

Doctor of Medicine (M.D.)

NPI 1245390590

Doctor of Medicine (M.D.)

NPI 1255371399

Doctor of Medicine (M.D.)

Rebekah Sawyer

Obstetrics & Gynecology

NPI 1356024889
Dr. Jane Shen , MD

Internal Medicine

NPI 1477847846

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Business Mailing Address October 05, 2022

Registered at 6201 GREENLEIGH AVE, MIDDLE RIVER, MD 212202004 (Tel: 4109335412)

📍
Updated Practice Location July 01, 2019

Registered at 1501 S CLINTON ST STE 200, BALTIMORE, MD 21224 (Tel: 4105229940)

📍
Updated Business Mailing Address July 01, 2019

Registered at 9910 FRANKLIN SQUARE DR # 2110, BALTIMORE, MD 212364902 (Tel: 6177326660)

NPI Profile Active August 02, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location August 02, 2016

Registered at 75 FRANCIS ST, BOSTON, MA 021156110 (Tel: 6177325500)

📍
Updated Business Mailing Address August 02, 2016

Registered at 75 FRANCIS STREET, PBB-B-4, BWH,DEPARTMENT OF INTERNAL MEDICINE, BOSTON, MA 02115 (Tel: 6177326660)

👤
Provider Name / Credentials Updated August 02, 2016

Recorded as BRIAN HASSELFELD, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 02, 2016

Internal Medicine (License #263189 in MA)

🟢
Initial NPI Registration & Enumeration March 22, 2015

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: 1700270360
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 22, 2015
Last Update: October 05, 2022
Sole Proprietor: No

Mailing Address

6201 Greenleigh Ave

Middle River, MD 212202004

Phone: 4109335412

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.