Doctor profile · Federal record

Dr. Fan Mo, DO

Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Internal Medicine Physician · Sunnyvale, CA

  • NPI 1083111405
  • Accepts Medicare
  • MIPS 80.2 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1309 S Mary Ave
Sunnyvale, CA 940873050
(408) 523-3460
Mailing address
Po Box 276950
Sacramento, CA 958276950

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
June 23, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State license (1)
California #20A17752

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083111405. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
310
Distinct HCPCS
5
Medicare allowed
$36,362
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 140 60 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 58 23 $79
99239 Hospital discharge day management, more than 30 minutes 49 49 $115
99214 Established patient office or other outpatient visit, 30-39 minutes 34 32 $130
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 29 29 $174

In context: peer comparison

Among 3 peers in this city , average services per provider: 103. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$146
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Kerecis Limited 2 $146.17

By nature of payment

Travel and Lodging
$118
Food and Beverage
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$87
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 12 12 $87

Frequently asked questions

Auto-generated from federal data
What is Dr. Fan Mo's medical specialty?
Dr. Fan Mo practices Sleep Medicine (Internal Medicine) Physician in Sunnyvale, CA.
Where does Dr. Fan Mo practice?
Dr. Fan Mo practices at 1309 S Mary Ave, Sunnyvale, CA 940873050. Office phone: 4085233460.
What is Dr. Fan Mo's NPI?
Dr. Fan Mo's National Provider Identifier (NPI) is 1083111405, issued by NPPES.
Does Dr. Fan Mo accept Medicare assignment?
Yes. Dr. Fan Mo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fan Mo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.