DR. CHRISTOPHER W TSANG (M.D.) – Pediatric Otolaryngology Physician, NPI 1104187525
Pediatric Otolaryngology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. CHRISTOPHER W TSANG (M.D.)
6845 ELM ST STE 303
MC LEAN, VA 221013834
Phone: (703) 448-0005
Fax: (703) 448-0008
Type: Mailing
800 WASHINGTON ST
BOSTON, MA 021111552
Phone: (617) 636-5000
Type: Mailing
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 220314526
Phone: (571) 472-4300
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 32 Open Payments records for all available years, with a total value of $650.
Total Amount is formed as General ($650) + Research ($0) + Ownership ($0) = $650.
Last reported payment date: 2024-08-01 • Largest payer in this snapshot: GENZYME CORPORATION ($219).
Total Amount
$650
General + Research + Ownership
Payments
32
Total payment records
General Amount
$650
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-01
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: 2018-07-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20180705002160 | I | Otolaryngology | DC | TBD |
| I20180716002905 | I | Otolaryngology | VA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 75 | 55 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 74 | 52 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 43 | 43 | $0 |
| 92504 | Exam of ear using a microscope | 37 | 36 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $0 |
Insurance plans in this area (ZIP 22101)
Loading plans...
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 |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.