DR. RICHARD JOHN CHANG (M.D.) – Family Medicine Physician, NPI 1043639180
Family Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
3,174 FAMILY PRACTICE in VA
Provider Addresses for DR. RICHARD JOHN CHANG (M.D.)
500 W ANNANDALE RD
FALLS CHURCH, VA 220464205
Phone: (703) 521-6662
Type: Location
29 S Paca St
Baltimore, MD 212011771
Phone: (410) 328-5012
Fax: (410) 328-0639
Type: Location
6000 Westchester Park Dr Apt 202
College Park, MD 207402820
Phone: (914) 527-0663
Type: Location
500 W Annandale Rd
Falls Church, VA 220464205
Phone: (703) 521-6662
Type: Location
10424 BALTIMORE AVE
BELTSVILLE, MD 207052321
Phone: (240) 542-5987
Fax: (240) 542-5988
Type: Location
5000 COX RD
GLEN ALLEN, VA 230609263
Phone: (804) 968-5700
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $464.
Total Amount is formed as General ($464) + Research ($0) + Ownership ($0) = $464.
Last reported payment date: 2024-09-18 • Largest payer in this snapshot: Inspire Medical Systems, Inc. ($154).
Total Amount
$464
General + Research + Ownership
Payments
14
Total payment records
General Amount
$464
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-18
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-08-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170815002834 | I | Family Practice | DC | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 255 | 198 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 96 | 96 | $0 |
| 94660 | Therapy procedure using a positive pressure ventilator | 75 | 64 | $0 |
| 95800 | Sleep study including heart rate, breathing, and sleep time | 61 | 60 | $0 |
| 95810 | Sleep study in sleep lab (6 years or older) | 28 | 28 | $0 |
Insurance plans in this area (ZIP 22046)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| - | VA | |
| Internal Medicine, Pulmonary Disease | MD | |
| - | VA | |
| - | MD | |
| - | VA | |
| - | VA | |
| - | MD | |
| Physician Assistant | VA | |
| Physician Assistant | MI |
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