Doctor profile · Federal record

Dr. Zayar Oo, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Apopka, FL

  • NPI 1083278253
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
515 Wekiva Commons Cir
Apopka, FL 327123645
(407) 464-9516
fax (407) 464-9519
Additional location
585 Schenectady Ave
Brooklyn, NY 112031851
(718) 604-5401

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
March 31, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Florida #ME155962

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083278253. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
667
Distinct HCPCS
4
Medicare allowed
$77,782
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 431 159 $117
99239 Hospital discharge day management, more than 30 minutes 115 112 $113
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 72 71 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 49 49 $172

In context: peer comparison

Among 33 peers in Apopka Hospitalist Physician, average services per provider: 152. This provider delivers 4.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$193
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 4 $84.27
Merck Sharp & Dohme LLC 2 $51.79
Janssen Pharmaceuticals, INC 2 $31.98
Edwards Lifesciences Corporation 1 $25.20

By nature of payment

Food and Beverage
$193

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
221
Patients
206
Total drug cost
$13,141
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 24 24 $184
Eliquis (Apixaban) Brand 21 19 $11,537
Doxycycline Hyclate Generic 20 20 $176
Methylprednisolone Generic 20 19 $157
Pantoprazole Sodium Generic 19 19 $140
Carvedilol Generic 17 17 $96
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 15 $57
Sucralfate Generic 14 14 $401
Furosemide Generic 13 12 $57
Amlodipine Besylate Generic 12 12 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. Zayar Oo's medical specialty?
Dr. Zayar Oo practices Hospitalist Physician in Apopka, FL.
Where does Dr. Zayar Oo practice?
Dr. Zayar Oo practices at 515 Wekiva Commons Cir, Apopka, FL 327123645. Office phone: 4074649516.
What is Dr. Zayar Oo's NPI?
Dr. Zayar Oo's National Provider Identifier (NPI) is 1083278253, issued by NPPES.
Does Dr. Zayar Oo accept Medicare assignment?
Yes. Dr. Zayar Oo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zayar Oo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.