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JOY WAN M.D.
NPI 1235498346
Dermatology in Baltimore, MD

Active since May 09, 2012PECOS Enrolled
74.39/100
CMS Quality Rating
1800 ORLEANS ST, BALTIMORE, MD 21287(410) 955-0000(410) 328-6896 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 16, 2026, Jul 21, 2022, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Joy Wan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOY WAN M.D. (NPI 1235498346) is an individual dermatology provider in Baltimore, Maryland, licensed in Maryland (D92477) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2012).

NPPES Registry Identity

NPI1235498346
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameJOY WANCredential: M.D.
Location Address1800 ORLEANS STBaltimore, MD 21287-0010
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (215) 590-9119 · Fax (410) 328-6896
Phone(410) 955-0000
Fax(410) 328-6896
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2012
Enumeration DateMay 9, 2012
Last NPPES UpdateMarch 16, 20264 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1235498346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in MD · D92477
Definition
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.
Also ListedDermatology · Pediatric DermatologyTaxonomy 207NP0225X · License D92477 (MD)
1800 ORLEANS ST, Baltimore, MD 21287
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Secondary Practice Locations 2

Location 13401 Civic Center Blvd, Division of DermatologyPhiladelphia, PA 19104-4319 · Phone (215) 590-9119
Location 23600 Spruce St, 2 Maloney BuildingPhiladelphia, PA 19104-4211 · Phone (215) 662-2200

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joy Wan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446549901
PECOS Enrollment IDI20211018000566
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joy Wan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Johns Hopkins University
0.1 mi
General Practice
600 N WOLFE ST
Baltimore, MD 21205
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1033190442 (410) 614-1732

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHRYN ROSENBLATT M.D.
Anesthesiology
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-7461
DR. CARMEL BOGLE M.D.
Pediatrics
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (443) 287-0526
MIAN MOHAMMAD BILAL KHALID MD
Internal Medicine (Gastroenterology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
SPENCER WILSON
Surgery (Trauma Surgery)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 933-6423
EVAN FOX
Radiology (Neuroradiology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
ADAM ROBERT BUSSELLS
Physician Assistant
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
DR. SARAH WALSER MD
Student in an Organized Health Care Education/Training Program
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (484) 883-6433
LYNN DESROSIERS FNP-C
Nurse Practitioner (Family)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-2800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joy Wan's NPI number?

The NPI number for Joy Wan is 1235498346. It was assigned to this individual provider in the NPPES registry on May 9, 2012.

Where is Joy Wan located?

Joy Wan practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 955-0000.

What is Joy Wan's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Joy Wan enrolled in Medicare?

Yes. Joy Wan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joy Wan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joy Wan reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joy Wan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joy Wan was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.