DR. ALEXANDER CHI-SHUN TSANG (M.D.) – Ophthalmology Physician, NPI 1861464323
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
28 OPHTHALMOLOGY in AK
Provider Addresses for DR. ALEXANDER CHI-SHUN TSANG (M.D.)
1200 Airport Heights Dr
Suite 310
Anchorage, AK 995082965
Phone: (907) 561-0774
Fax: (907) 561-0779
Type: Location
313 Stevenson St
Sayre, PA 188401713
Phone: (907) 561-0774
Type: Location
2701 Eastern Blvd
Middle River, MD 212202801
Phone: (410) 918-6662
Type: Location
1 Guthrie Sq
Sayre, PA 188401625
Phone: (570) 887-3422
Type: Location
1080 Day Hill Rd
Windsor, CT 060951781
Phone: (860) 688-1549
Type: Location
4 Northwestern Dr
Bloomfield, CT 060023444
Phone: (860) 243-2020
Type: Location
84, Timberwood Road, West Hartford, Hartford County, Connecticut, 06117, United States
WEST HARTFORD, CT 061171466
Phone: (907) 561-0774
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $521.
Total Amount is formed as General ($521) + Research ($0) + Ownership ($0) = $521.
Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Horizon Therapeutics plc ($318).
Total Amount
$521
General + Research + Ownership
Payments
5
Total payment records
General Amount
$521
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Horizon Therapeutics plc | $318 |
| Amgen Inc. | $203 |
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: 2018-08-09
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 |
|---|---|---|---|---|
| I20081010000329 | I | Ophthalmology | AK | TBD |
| I20180809004238 | I | Ophthalmology | CT | 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 |
|---|---|---|---|---|
| 92012 | Established patient problem focused exam of visual system | 82 | 60 | $0 |
| 92004 | New patient complete exam of visual system | 78 | 78 | $0 |
| 92014 | Established patient complete exam of visual system | 51 | 50 | $0 |
| 92134 | Imaging of retina | 33 | 33 | $0 |
| 92133 | Imaging of optic nerve | 28 | 28 | $0 |
Insurance plans in this area (ZIP 99508)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AK | |
| O P T O M E T R Y | AK | |
| O P T O M E T R Y | AK | |
| O P T O M E T R Y | AK | |
| O P T O M E T R Y | AK | |
| O P H T H A L M O L O G Y | AK | |
| O P T O M E T R Y | AK |
Reviews
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