Physician Profile
Alexander D. Stein, MD practices dermatology in Chula Vista, CA. Alexander is also listed as specializing in hematology & oncology. According to Medicare claims data, Alexander cared for 1,111 Medicare patients across 5,056 services. The services billed most often include therapy procedure using ultraviolet radiation with tar or petroleum jelly application, test for allergy using skin patch, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
340 FOURTH AVE STE 14
Chula Vista, CA 91910
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.
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
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Most searched procedures
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
5,056 services · 1,111 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
534 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
298 | More often than most peers in Dermatology |
| Incision biopsy, first skin growth | Procedure | 11106 |
158 | More often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
154 | More often than most peers in Dermatology |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
65 | More often than most peers in Dermatology |
| Repair of wound of scalp, arms, or legs by transferring skin, 10.1-30.0 sq cm | Procedure | 14021 |
34 | As often as other peers in Dermatology |
| Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.1-30.0 sq cm | Procedure | 14041 |
30 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
24 | More often than most peers in Dermatology |
| Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm | Procedure | 11603 |
24 | As often as other peers in Dermatology |
| Removal of skin tag, 1-15 skin tags | Procedure | 11200 |
24 | More often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Stein is a dermatologist (skin doctor) in Chula Vista, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Dr. Stein is listed at 340 Fourth Ave Ste 14, Chula Vista, CA 91910. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (718) 753-6536. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Stein's National Provider Identifier is 1760431654. 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
Dr. Stein attended Other, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Dr. Stein has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Stein performs procedures including destruction of precancer skin growth, 1 growth, biopsy of related skin growth, first growth and incision biopsy, first skin growth; provides treatments such as therapy procedure using ultraviolet radiation with tar or petroleum jelly application and test for allergy using skin patch, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stein. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.