Doctor profile · Federal record

Dr. May Fan, M.D.

Family Medicine Physician (CMS: Family Practice) · Sisters, OR

  • NPI 1457462939
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
231 E Cascade Ave
Sisters, OR 977591140
(541) 382-4900
fax (541) 549-9683
Mailing address
Po Box 6048
Bend, OR 977086048

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 22, 2022
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Oregon #MD16867
Medicaid
OR #012836

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457462939. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,551
Distinct HCPCS
10
Medicare allowed
$156,743
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 521 319 $125
36415 Insertion of needle into vein for collection of blood sample 335 253 $7
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 290 290 $127
80061 Blood test, lipids (cholesterol and triglycerides) 206 197 $13
80053 Blood test, comprehensive group of blood chemicals 179 168 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 179 141 $88
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 139 128 $8
83036 Hemoglobin a1c level 134 116 $10
84443 Blood test, thyroid stimulating hormone (tsh) 93 87 $16
82306 Vitamin d-3 level 68 63 $29

In context: peer comparison

Among 3 peers in this city , average services per provider: 89. This provider delivers 29× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,834
Patients
880
Total drug cost
$193,853
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 397 125 $6,721
Levothyroxine Sodium Generic 395 119 $6,050
Lisinopril Generic 237 78 $2,660
Rosuvastatin Calcium Generic 223 74 $10,620
Amlodipine Besylate Generic 219 68 $1,917
Gabapentin Generic 209 60 $2,833
Metoprolol Succinate Generic 180 56 $3,683
Losartan Potassium Generic 163 51 $2,366
Irbesartan Generic 128 34 $6,347
Hydrochlorothiazide Generic 127 43 $626

Frequently asked questions

Auto-generated from federal data
What is Dr. May Fan's medical specialty?
Dr. May Fan practices Family Medicine Physician in Sisters, OR.
Where does Dr. May Fan practice?
Dr. May Fan practices at 231 E Cascade Ave, Sisters, OR 977591140. Office phone: 5413824900.
What is Dr. May Fan's NPI?
Dr. May Fan's National Provider Identifier (NPI) is 1457462939, issued by NPPES.
Does Dr. May Fan accept Medicare assignment?
Yes. Dr. May Fan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. May Fan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.