Physician Profile
Unclaimed ProfileAbout FAN
Based in Sisters, OR, May S Fan, M.D. is listed in the NPI registry under family practice. May graduated from Un of California, Irvine, College of Medicine in 1987. May is also listed as specializing in family medicine. Medicare claims data shows May provided 2,136 services to 1,743 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (541) 382-4900
- Email not available
Practice Locations
231 E CASCADE AVE
Sisters, OR 97759
Procedures Most Often Billed to Medicare
2,136 services · 1,743 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
196 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
56 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
29 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
29 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
21 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
567 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
307 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
173 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
121 |
| Hemoglobin a1c level | Lab test | 83036 |
100 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Sisters 4
Same specialty, same city.
Trained at Un of California, Irvine, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1987 at Un of California, Irvine, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in OR who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Fan?
Dr. Fan is a family practice in Sisters, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Fan's address?
Dr. Fan is listed at 231 E CASCADE AVE, Sisters, OR 97759. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Fan?
The number on file is (541) 382-4900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Fan?
Dr. Fan's National Provider Identifier is 1457462939. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Fan train?
Dr. Fan attended Un of California, Irvine, College of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Fan have?
Dr. Fan has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Fan perform?
According to Medicare billing data, Dr. Fan performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Fan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.