Doctor profile · Federal record

Dr. William Tang, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Natick, MA

  • NPI 1972540177
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
182 W Central St Ste 102, Retina Eye Care, P.C.
Natick, MA 017603756
(508) 903-0003
Mailing address
182 W Central St, Suite 102
Natick, MA 017603756

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 21, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Massachusetts #153637

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972540177. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13,403
Distinct HCPCS
10
Medicare allowed
$2,427,040
HCPCS Description Services Patients Avg allowed
J2777 Injection, faricimab-svoa, 0.1 mg 5,460 24 $36
J0178 Injection, aflibercept, 1 mg 1,802 140 $869
67028 Injection of drug into eye 1,645 245 $139
92134 Imaging of retina 1,118 735 $45
J9035 Injection, bevacizumab, 10 mg 979 151 $71
99213 Established patient office or other outpatient visit, 20-29 minutes 635 483 $99
92250 Photography of the retina 551 548 $42
99214 Established patient office or other outpatient visit, 30-39 minutes 376 368 $140
92014 Established patient complete exam of visual system 306 306 $142
99204 New patient office or other outpatient visit, 45-59 minutes 173 173 $181

In context: peer comparison

Among 1 peers in Natick Ophthalmology Physician, average services per provider: 638. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Eagle Pharmaceuticals, INC. 1 $29.40
Apellis Pharmaceuticals, INC. 1 $17.19

By nature of payment

Food and Beverage
$29
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,092
Patients
475
Total drug cost
$69,810
Drug Type Claims Patients Total cost
Latanoprost Generic 286 80 $5,821
Timolol Maleate Generic 127 50 $1,700
Prednisolone Acetate Generic 121 78 $7,947
Brimonidine Tartrate Generic 113 42 $1,814
Prolensa (Bromfenac Sodium) Brand 81 30 $28,973
Atropine Sulfate Generic 72 57 $2,437
Ofloxacin Generic 66 55 $1,066
Dorzolamide Hcl Generic 62 20 $1,705
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 54 17 $2,065
Lorazepam Generic 39 31 $47

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Tang's medical specialty?
Dr. William Tang practices Ophthalmology Physician in Natick, MA.
Where does Dr. William Tang practice?
Dr. William Tang practices at 182 W Central St Ste 102, Natick, MA 017603756. Office phone: 5089030003.
What is Dr. William Tang's NPI?
Dr. William Tang's National Provider Identifier (NPI) is 1972540177, issued by NPPES.
Does Dr. William Tang accept Medicare assignment?
Yes. Dr. William Tang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Tang commonly perform?
Top Medicare-reported procedures in 2023: Injection, faricimab-svoa, 0.1 mg (HCPCS J2777); Injection, aflibercept, 1 mg (HCPCS J0178); Injection of drug into eye (HCPCS 67028). Source: CMS Medicare Physician & Other Practitioners file.