Are you Herbert B. Castillo Valladares? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1701 Divisadero St, San Francisco, CA 94115
About Herbert Castillo Valladares
Herbert B. Castillo Valladares is a healthcare provider in San Francisco, CA specializing in dermatology. Herbert trained at Yale University School of Medicine, graduating in 2019. Medicare claims data shows Herbert provided 135 services to 89 patients. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and destruction of precancer skin growth, 1 growth. This provider record is associated with NPI 1326501743.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 353-7800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1701 DIVISADERO ST
San Francisco, CA 94115
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Procedures & services
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
- Dermoscopy
- Excisional skin biopsy
- Punch biopsy
- Shave biopsy
- Skin scraping for fungal or mite testing
- Patch testing
- Skin biopsy
Lesion treatment
- Chemical treatment of skin lesions
- Incision and drainage of an abscess
- Intralesional medication injection
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
135 services · 89 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
48 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
18 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
37 | Less often than most peers in Dermatology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 | Less often than most peers in Dermatology |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
15 | Less often than most peers in Dermatology |
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 dermatologists at this location 8
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 dermatologists in San Francisco 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Yale University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Herbert B. Castillo Valladares?
Herbert B. Castillo Valladares is a dermatologist (skin doctor) in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Herbert B. Castillo Valladares's address?
Herbert B. Castillo Valladares is listed at 1701 Divisadero St, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Herbert B. Castillo Valladares?
The number on file is (415) 353-7800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Herbert B. Castillo Valladares?
Herbert B. Castillo Valladares's National Provider Identifier is 1326501743. 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 Herbert B. Castillo Valladares train?
Herbert B. Castillo Valladares attended Yale University School of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Herbert B. Castillo Valladares have?
Herbert B. Castillo Valladares has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Herbert B. Castillo Valladares perform?
According to Medicare billing data, Herbert B. Castillo Valladares performs procedures including destruction of precancer skin growth, 2-14 growths and destruction of precancer skin growth, 1 growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Herbert B. Castillo Valladares's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Herbert B. Castillo Valladares. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.