Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1235498346 Individual Practitioner Female Practitioner

Dr. Joy Wan , MD

Dermatology • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Dr. Joy Wan, MD is a certified Dermatology practicing in Baltimore, MD. With approximately 14 years of clinical experience since graduating from Perelman School Of Med At The University Of Pennsylvania in 2012, Dr. Wan delivers high-quality medical care to the local community at 1800 ORLEANS ST.

Dr. Wan is affiliated with Johns Hopkins University and does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include established 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

1800 Orleans St

Baltimore, MD 212870010

Telephone 4109550000
Fax 4103286896
Associated Practice Facility / Clinic
🏢 The Johns Hopkins Hospital Facility NPI 1710258835

Medicare Profile & Education

Medical School

Perelman School Of Med At The University Of Pennsylvania

Graduation Year

2012

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Baltimore, MD

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
14 Yrs -7.7 yrs vs City Avg
City Avg: 21.7 Yrs
State Avg: 24.6 Yrs
Regional Practice Density
66 Specialists

Practicing in Baltimore, MD (363 Statewide)

Telehealth Adoption Rate
6.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
54.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wan (14 Years) 14 Yrs
Baltimore Specialty Average (21.7 Years) 21.7 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
14 14 $207.21 $94.91

Medical Specialties & State Licenses

CMS Verified: 2026-03-16
Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License MD D92477

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Dermatology - Pediatric Dermatology

NUCC Taxonomy Code: 207NP0225X

State License MD D92477

A pediatric dermatologist has, through additional special training, developed expertise in the treatment of specific skin disease categories with emphasis on those diseases which predominate in infants, children and adolescents.

Hospital & Practice Group Affiliations

Johns Hopkins University

10710 Charter Dr, Columbia, MD 210443276

Phone: 4435461500

Johns Hopkins University

5755 Cedar Ln, Columbia, MD 210442912

Phone: 4107407544

Johns Hopkins University

5759 Cedar Ln, Columbia, MD 210442912

Phone: 4437183738

Secondary Practice Locations

3401 Civic Center Blvd, Division Of Dermatology

Philadelphia, PA 191044319

Phone: 2155909119

3600 Spruce St, 2 Maloney Building

Philadelphia, PA 191044211

Phone: 2156622200

Practice Associates & Co-Workers

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

23 Associated Practitioners
Ning Ma , CRNP

Nurse Practitioner - Family

NPI 1013251297

Certified Registered Nurse Practitioner

Susan Hodges , CRNP

Nurse Practitioner

NPI 1063452852

Certified Registered Nurse Practitioner

Dr. Hayley Kateon , PharmD

Pharmacist - Critical Care

NPI 1104412022

Doctor of Pharmacy (Pharm.D.)

Dr. Mehmet Kocoglu , MD

Internal Medicine - Hematology & Oncology

NPI 1114001138

Doctor of Medicine (M.D.)

Dr. Ann Zimrin , MD

Internal Medicine - Hematology & Oncology

NPI 1215991179

Doctor of Medicine (M.D.)

Dr. Katherine Tkaczuk , MD

Internal Medicine - Medical Oncology

NPI 1225079601

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

15 Historical Events
📍
Updated Practice Location March 16, 2026

Registered at 1800 ORLEANS ST, BALTIMORE, MD 212870010 (Tel: 4109550000)

📍
Updated Business Mailing Address March 16, 2026

Registered at 6201 GREENLEIGH AVE, MIDDLE RIVER, MD 212202004 (Tel: 2155909119)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 16, 2026

Dermatology (License #D92477 in MD)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 17, 2018

Dermatology (License #MD457514 in PA)

NPI Profile Active June 27, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location June 27, 2017

Registered at 3401 CIVIC CENTER BLVD, DIVISION OF DERMATOLOGY, PHILADELPHIA, PA 191044319 (Tel: 2155909119)

📍
Updated Business Mailing Address June 27, 2017

Registered at 3401 CIVIC CENTER BLVD, DIVISION OF DERMATOLOGY, PHILADELPHIA, PA 191044319 (Tel: (215) 590-9119)

👤
Provider Name / Credentials Updated June 27, 2017

Recorded as JOY WAN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2017

Dermatology (License #MD457514 in PA)

NPI Profile Active May 02, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location May 02, 2016

Registered at 3600 SPRUCE ST, 2 MALONEY BUILDING, PHILADELPHIA, PA 191044211 (Tel: 2156622200)

📍
Updated Business Mailing Address May 02, 2016

Registered at 3600 SPRUCE ST, 2 MALONEY BUILDING, PHILADELPHIA, PA 191044211 (Tel: 2156622200)

👤
Provider Name / Credentials Updated May 02, 2016

Recorded as JOY WAN, M.D.

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

Dermatology (License #MD457514 in PA)

🟢
Initial NPI Registration & Enumeration May 09, 2012

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: 1235498346
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 09, 2012
Last Update: March 16, 2026
Sole Proprietor: No

Mailing Address

6201 Greenleigh Ave

Middle River, MD 212202004

Phone: 2155909119

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.