Physician Profile
John Christopher L. Trinidad, M.D., MPH is a healthcare provider in Boston, MA specializing in dermatology. John Christopher trained at University of California, San Francisco School of Medicine, graduating in 2013. John Christopher is also listed as specializing in student in an organized health care education program. According to Medicare claims data, John Christopher cared for 1,167 Medicare patients across 2,339 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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.
50 STANIFORD STREET MASSACHUSETTS GENERAL HOSPITAL
Boston, MA 02114
540 Officenter Pl 240
Gahanna, OH 43230
780 Albany St
Boston, MA 02118
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
2,339 services · 1,167 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
1,191 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
268 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
120 | As often as other peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
79 | As often as other peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
20 | 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 |
379 | As often as other 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 |
213 | More often than most 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 |
31 | Less often than most peers in Dermatology |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
23 | As often as other 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 |
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.
John Christopher L. Trinidad, M.D. is a dermatologist (skin doctor) in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
John Christopher L. Trinidad, M.D. is listed at 50 Staniford Street Massachusetts General Hospital, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 643-7972. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
John Christopher L. Trinidad, M.D.'s National Provider Identifier is 1457785610. 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
John Christopher L. Trinidad, M.D. attended University of California, San Francisco School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
John Christopher L. Trinidad, M.D. has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John Christopher L. Trinidad, M.D. performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first 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 John Christopher L. Trinidad, M.D.. 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.