Doctor profile · Federal record

Dr. Cynthia Ko, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · New York, NY

  • NPI 1649529256
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
401 First Ave., Apt. 11C
New York, NY 100104009
(718) 915-2334

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
August 16, 2017
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #274283

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649529256. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
94
Distinct HCPCS
3
Medicare allowed
$7,233
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 46 18 $58
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 24 22 $98
99238 Hospital discharge day management, 30 minutes or less 24 22 $93

In context: peer comparison

Among 559 peers in this city , average services per provider: 137. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$911
Transactions
36
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, Inc. 8 $223.72
Alkermes, Inc. 9 $221.03
Janssen Pharmaceuticals, Inc 4 $95.86
Otsuka America Pharmaceutical, Inc. 4 $93.84
BioXcel Therapeutics, Inc. 3 $69.71
Lundbeck LLC 3 $67.17
Teva Pharmaceuticals USA, Inc. 2 $65.88
ABBVIE INC. 1 $34.71
USWM, LLC 1 $21.95
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $17.06

By nature of payment

Food and Beverage
$911

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
107
Patients
85
Total drug cost
$1,447
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 25 23 $951
Amlodipine Besylate Generic 24 17 $128
Atorvastatin Calcium Generic 22 20 $166
Pantoprazole Sodium Generic 14 14 $79
Metformin Hcl Generic 11 11 $63
Tamsulosin Hcl Generic 11 0 $60

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Ko's medical specialty?
Dr. Cynthia Ko practices Internal Medicine Physician in New York, NY.
Where does Dr. Cynthia Ko practice?
Dr. Cynthia Ko practices at 401 First Ave., Apt. 11C, New York, NY 100104009. Office phone: 7189152334.
What is Dr. Cynthia Ko's NPI?
Dr. Cynthia Ko's National Provider Identifier (NPI) is 1649529256, issued by NPPES.
Does Dr. Cynthia Ko accept Medicare assignment?
Yes. Dr. Cynthia Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Ko commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.