Physician Profile
Unclaimed ProfileAbout CLAYSON
Listed in the NPI registry as a hospitalist, Darby Annette Clayson, MD practises in San Francisco, CA. Darby graduated from Baylor College of Medicine in 1998. Darby is also listed as specialising in internal medicine.
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
Common questions
What does Dr. Clayson specialise in?
Dr. Clayson is a hospitalist in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPITALIST”.
NPI registry
Where is Dr. Clayson located?
Dr. Clayson is listed at 1575 7TH AVE, San Francisco, CA 94122. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Clayson's phone number?
The number on file is (702) 453-3799. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Clayson?
Dr. Clayson's National Provider Identifier is 1619968021. 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. Clayson go to medical school?
Dr. Clayson attended Baylor College of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Clayson have?
Dr. Clayson has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Clayson do most often?
According to Medicare billing data, Dr. Clayson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Clayson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Clayson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (702) 453-3799
- Email not available
Practice Locations
1575 7TH AVE
San Francisco, CA 94122
Procedures Most Often Billed to Medicare
1,930 services · 1,025 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
585 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
412 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
221 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
143 |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
123 |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
103 |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
100 |
| Nursing facility discharge day management, 30 minutes or less | Office visit | 99315 |
77 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
66 |
| Nursing facility discharge management, more than 30 minutes | Office visit | 99316 |
44 |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hospitalists in San Francisco 8
Same specialty, same city.
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1998 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.