Doctor profile · Federal record

Dr. Htay Win, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Fremont, CA

  • NPI 1881642155
  • Accepts Medicare
  • MIPS 88.5 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3458 Mowry Ave
Fremont, CA 945381422
(510) 793-1958
fax (510) 996-6566
Mailing address
Po Box 6101
Fremont, CA 945380622

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 11, 2017
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A88638

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881642155. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,632
Distinct HCPCS
10
Medicare allowed
$1,149,002
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,958 345 $151
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,646 243 $132
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 1,287 223 $85
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 993 191 $122
99238 Hospital discharge day management, 30 minutes or less 418 258 $92
99291 Critical care, first 30-74 minutes 375 45 $232
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 337 225 $193
99213 Established patient office or other outpatient visit, 20-29 minutes 284 149 $107
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 195 195 $153
99316 Nursing facility discharge management, more than 30 minutes 166 132 $148

In context: peer comparison

Among 29 peers in this city , average services per provider: 129. This provider delivers 67× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$734
Transactions
32
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 10 $190.04
AIMMUNE THERAPEUTICS, INC. 4 $118.05
GlaxoSmithKline, LLC. 4 $99.54
Lilly USA, LLC 3 $76.73
Janssen Pharmaceuticals, Inc 3 $67.58
AstraZeneca Pharmaceuticals LP 2 $52.11
E.R. Squibb & Sons, L.L.C. 2 $49.88
Philips North America LLC 2 $39.39
Lundbeck LLC 1 $27.41
Lexicon Pharmaceuticals, Inc. 1 $13.50

By nature of payment

Food and Beverage
$734

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
9,299
Patients
1,873
Total drug cost
$410,455
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,222 260 $23,518
Levothyroxine Sodium Generic 960 125 $12,908
Furosemide Generic 951 159 $6,728
Amlodipine Besylate Generic 884 196 $11,333
Eliquis (Apixaban) Brand 644 74 $269,652
Losartan Potassium Generic 636 150 $12,727
Metformin Hcl Generic 588 137 $9,592
Metoprolol Tartrate Generic 537 121 $6,352
Gabapentin Generic 514 118 $12,298
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 476 78 $8,310

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Htay Win's medical specialty?
Dr. Htay Win practices Internal Medicine Physician in Fremont, CA.
Where does Dr. Htay Win practice?
Dr. Htay Win practices at 3458 Mowry Ave, Fremont, CA 945381422. Office phone: 5107931958.
What is Dr. Htay Win's NPI?
Dr. Htay Win's National Provider Identifier (NPI) is 1881642155, issued by NPPES.
Does Dr. Htay Win accept Medicare assignment?
Yes. Dr. Htay Win accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Htay Win commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.