Physician Profile
Unclaimed ProfileAbout SLY
Based in San Francisco, CA, David J. Sly, DO is listed in the NPI registry under family practice. David graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1990. David is also listed as specializing in family medicine. According to Medicare claims data, David cared for 31 Medicare patients across 34 services.
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
- (888) 663-6331
- Email not available
Practice Locations
2 W PORTAL AVE
San Francisco, CA 94127
Procedures Most Often Billed to Medicare
34 services · 31 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
18 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
16 |
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.
Other family practices at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
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 San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at At Still University of Health Sciences, College of Osteo Med, Kirksville 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 CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Sly?
Dr. Sly is a family practice in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Sly's address?
Dr. Sly is listed at 2 W PORTAL AVE, San Francisco, CA 94127. 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. Sly?
The number on file is (888) 663-6331. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sly's NPI number?
Dr. Sly's National Provider Identifier is 1255387148. 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. Sly train?
Dr. Sly attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sly been practicing?
Dr. Sly has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Sly perform?
According to Medicare billing data, Dr. Sly performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sly confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sly. 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.