DR. DOUGLAS G CHANG (M.D) – Physical Medicine & Rehabilitation Physician, NPI 1962450031
Physical Medicine & Rehabilitation Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,024 ORTHOPEDIC SURGERY in CA
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Provider Addresses for DR. DOUGLAS G CHANG (M.D)
PO BOX 232410
SAN DIEGO, CA 921932410
Phone:
Type: Mailing
UC San Diego Medical Center, 200, West Arbor Drive, Hillcrest, San Diego, San Diego County, California, 92103, United States
SAN DIEGO, CA 921039000
Phone: (858) 249-6748
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2005-04-04
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 |
|---|---|---|---|---|
| I20050404000532 | I | Orthopedic Surgery | CA | 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 | 212 | 186 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 190 | 40 | $0 |
| 62323 | Injection of substance into lower spine canal using imaging guidance | 168 | 127 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 138 | 138 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 129 | 129 | $0 |
Insurance plans in this area (ZIP 92193)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | CA | 20610 | Aspiration and/or injection of large joint or joint capsule | 42 | 32 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| - | CA | |
| Surgical Oncology, General Surgery | MI | |
| - | CA | |
| - | CA | |
| - | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Emergency Medicine, Medical Toxicology | CA |
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