Physician Profile
Unclaimed ProfileAbout SIEBENLIST
John Barry Siebenlist, M.D. is a healthcare provider in San Luis Obispo, CA specialising in dermatology. John is also listed as specialising in mohs surgery / dermatologic surgery.
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 kind of doctor is Dr. Siebenlist?
Dr. Siebenlist is a dermatology in San Luis Obispo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DERMATOLOGY”.
NPI registry
What is Dr. Siebenlist's address?
Dr. Siebenlist is listed at 1551 BISHOP ST SUITE 220, San Luis Obispo, CA 93401. 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. Siebenlist?
The number on file is (805) 541-0668. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Siebenlist?
Dr. Siebenlist's National Provider Identifier is 1164476909. 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. Siebenlist train?
Dr. Siebenlist attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Siebenlist have?
Dr. Siebenlist has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Siebenlist perform?
According to Medicare billing data, Dr. Siebenlist performs procedures including destruction of precancer skin growth, 2-14 growths, removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks and removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks; provides treatments such as administration of chemotherapy into growth, 1-7, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Siebenlist's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Siebenlist. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 541-0668
- Email not available
Practice Locations
1551 BISHOP ST SUITE 220
San Luis Obispo, CA 93401
Procedures Most Often Billed to Medicare
5,322 services · 3,540 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
1,097 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | Procedure | 17311 |
617 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | Procedure | 17312 |
527 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
369 |
| Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | Procedure | 13132 |
304 |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | Procedure | 13121 |
298 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
187 |
| Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11602 |
175 |
| Complicated repair of wound of trunk, 2.6-7.5 cm | Procedure | 13101 |
122 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
109 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatology specialists 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 dermatology specialists in San Luis Obispo 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 7
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.