Physician Profile
Richard J. Chang, M.D. is a healthcare provider in Beltsville, MD specializing in family medicine. Richard trained at New York Medical College, graduating in 2014. According to Medicare claims data, Richard cared for 550 Medicare patients across 619 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and sleep study including heart rate, breathing, and sleep time.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
10424 BALTIMORE AVE
Beltsville, MD 20705
29 S Paca St
Baltimore, MD 21201
6000 Westchester Park Dr Apt 202
College Park, MD 20740
500 W Annandale Rd
Falls Church, VA 22046
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
619 services · 550 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
69 | More often than most peers in Family Medicine |
| Therapy procedure using a positive pressure ventilator | Treatment | 94660 |
44 | Too few peers to compare |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
36 | As often as other peers in Family Medicine |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
20 | Less often than most peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
276 | More often than most peers in Family Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
99 | More than most peers in Family Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
45 | More often than most peers in Family Medicine |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
30 | As often as other peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Richard J. Chang is a family doctor in Beltsville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Richard J. Chang is listed at 10424 Baltimore Ave, Beltsville, MD 20705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (240) 542-5987. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Richard J. Chang's National Provider Identifier is 1043639180. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Richard J. Chang attended New York Medical College, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Richard J. Chang has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Richard J. Chang provides treatments such as sleep study including heart rate, breathing, and sleep time and therapy procedure using a positive pressure ventilator, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Richard J. Chang. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.