Doctor profile · Federal record

Dr. Christopher Yo, MD

Ophthalmology Physician (CMS: Ophthalmology) · Baldwin Park, CA

  • NPI 1821169871
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1011 Baldwin Park Blvd
Baldwin Park, CA 917065806
(626) 851-1011
Mailing address
12761 Shabarum Ave
Irwindale, CA 91706

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 1, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #G78402

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821169871. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19
Distinct HCPCS
1
Medicare allowed
$1,813
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 19 16 $95

In context: peer comparison

Among 2 peers in Baldwin Park Ophthalmology Physician, average services per provider: 26. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$279
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $143.28
Genentech, INC. 1 $135.43

By nature of payment

Food and Beverage
$279

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,519
Patients
1,519
Total drug cost
$97,297
Drug Type Claims Patients Total cost
Latanoprost Generic 1,439 449 $17,707
Prednisolone Acetate Generic 489 358 $26,683
Brimonidine Tartrate Generic 417 150 $6,192
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 370 136 $9,903
Timolol Maleate Generic 291 97 $6,142
Ketorolac Tromethamine Generic 136 109 $1,898
Ofloxacin Generic 119 98 $1,561
Cyclosporine Generic 67 18 $10,515
Dorzolamide Hcl Generic 51 23 $1,852
Levobunolol Hcl Generic 43 14 $2,303

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Yo's medical specialty?
Dr. Christopher Yo practices Ophthalmology Physician in Baldwin Park, CA.
Where does Dr. Christopher Yo practice?
Dr. Christopher Yo practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 917065806. Office phone: 6268511011.
What is Dr. Christopher Yo's NPI?
Dr. Christopher Yo's National Provider Identifier (NPI) is 1821169871, issued by NPPES.
Does Dr. Christopher Yo accept Medicare assignment?
Yes. Dr. Christopher Yo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Yo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.