1. Home
  2. Directory
  3. Maryland
  4. Baltimore
  5. Psychiatry Neurology
  6. NPI Profile

DR. JOY CHANG M.D.
NPI 1154620540
Psychiatry & Neurology - Addiction Psychiatry in Baltimore, MD

Active since March 24, 2011PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
110 S PACA ST, 4N149, BALTIMORE, MD 21201(410) 328-1834(410) 328-1749 Get Directions Write a Review

NPPES record last updated: July 30, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Joy Chang M.d. NPPES

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

DR. JOY CHANG M.D. (NPI 1154620540) is an individual addiction psychiatry provider in Baltimore, Maryland, licensed in Maryland (D0076718) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Wright State University Boonshoft School Of Medicine (2011).

NPPES Registry Identity

NPI1154620540
Entity TypeIndividualFemale
Primary Taxonomy2084P0802X
Provider Legal NameDR. JOY CHANGCredential: M.D.
Location Address110 S PACA ST, 4N149Baltimore, MD 21201-1642
Mailing Address110 S Paca St, 4n149Baltimore, MD 21201-1642 · (410) 328-1834 · Fax (410) 328-1749
Phone(410) 328-1834
Fax(410) 328-1749
Sole ProprietorNo
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2011
Enumeration DateMarch 24, 2011
Last NPPES UpdateJuly 30, 2016
✔ NPI 1154620540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in MD · D0076718
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
110 S PACA ST, Baltimore, MD 21201
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joy Chang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911210851
PECOS Enrollment IDI20240403001869
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.

Areas of Expertise CMS Part B claims 6

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.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
215 services42 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
137 services36 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
95 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
75 services20 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
52 services17 patients
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.
30 services11 patients

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability98
Improvement Activities40

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.

DR. JASJIT B ATWAL M.D.
Anesthesiology
110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201
Baltimore City (410) 328-6720
SIAMAK MOAYEDI M.D.
Emergency Medicine
110 S PACA ST, SIXTH FLOOR, SUITE 200
BALTIMORE, MD 21201
Baltimore City (410) 328-8025
JUDY PAN MD
Otolaryngology (Plastic Surgery within the Head & Neck)
110 S PACA ST
BALTIMORE, MD 21201
Baltimore City (410) 328-3058
JOHNS HOPKINS COMMUNITY PHYSICIANS, INC
Internal Medicine
110 S PACA ST
BALTIMORE, MD 21201
Baltimore City (410) 955-5000
DR. ILEANA GHEORGHIU M.D.
Anesthesiology
110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201
Baltimore City (410) 328-6720
DR. ABDULAZIZ H ALBURAIH M.D
Hospitalist
110 S PACA ST
BALTIMORE, MD 21201
Baltimore City (617) 636-5025
MAELEE GRACE WILLIAMSON MD
Student in an Organized Health Care Education/Training Program
110 S PACA ST, 6TH FLOOR, SUITE 200
BALTIMORE, MD 21201
Baltimore City (667) 214-2208
DR. SHOBANA BHARADWAJ M.D.
Anesthesiology
110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201
Baltimore City (410) 328-6720

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 Chang's NPI number?

The NPI number for Joy Chang is 1154620540. It was assigned to this individual provider in the NPPES registry on March 24, 2011.

Where is Joy Chang located?

Joy Chang practices at 110 S Paca St 4n149, Baltimore, MD 21201. The listed phone number is (410) 328-1834.

What is Joy Chang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Joy Chang enrolled in Medicare?

Yes. Joy Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Joy Chang was last updated on July 30, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.