Physician Profile
Maria I. Martinez Colon, M.D. practices dermatology in San Juan, PR. Maria is a 1978 graduate of University of Puerto Rico School of Medicine. According to Medicare claims data, Maria cared for 143 Medicare patients across 325 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, biopsy of related skin growth, first growth, and injection into skin growth, more than 7 growths. The provider's National Provider Identifier (NPI) is 1073554390.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
AVE. ROOSEVELT # 400 SUITE 401
San Juan, PR 00919
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
325 services · 143 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of related skin growth, first growth | Procedure | 11102 |
55 | Less often than most peers in Dermatology |
| Injection into skin growth, more than 7 growths | Procedure | 11901 |
34 | As often as other peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
15 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
207 | As often as other peers in Dermatology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
14 | 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.
Maria I. Martinez Colon is a dermatologist (skin doctor) in San Juan, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Maria I. Martinez Colon is listed at Ave. Roosevelt # 400 Suite 401, San Juan, PR 00919. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (787) 767-2244. Contact the office directly to confirm availability and scheduling.
NPI registry
Maria I. Martinez Colon's National Provider Identifier is 1073554390. 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
Maria I. Martinez Colon attended University of Puerto Rico School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
Maria I. Martinez Colon has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Maria I. Martinez Colon performs procedures including biopsy of related skin growth, first growth, injection into skin growth, more than 7 growths and punch biopsy, first skin growth, 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 Maria I. Martinez Colon. If this is you, claiming it is free.
Guide.md
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