Physician Profile
Based in Chicago, IL, Joan Guitart, MD is listed in the NPI registry under dermatology. Joan is also listed as specializing in dermatopathology. Medicare claims data shows Joan provided 5,401 services to 3,150 patients. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, each additional procedure, and special stained specimen slides to examine tissue, initial procedure. NPI 1225074727 identifies this record in the national registry.
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.
680 N LAKE SHORE DR SUITE 1000
Chicago, IL 60611
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
5,401 services · 3,150 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Punch biopsy, first skin growth | Procedure | 11104 |
27 | More often than most peers in Dermatology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
3,173 | As often as other peers in Dermatology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
820 | More often than most peers in Dermatology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
360 | More often than most peers in Dermatology |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
195 | More 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 |
161 | More often than most peers in Dermatology |
| Antibody evaluation, each additional single antibody stain procedure | Lab test | 88350 |
116 | As often as other peers in Dermatology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
107 | Too few peers to compare |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
95 | As often as other peers in Dermatology |
| Microscopic genetic analysis of tissue, manual, initial procedure | Lab test | 88368 |
67 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Guitart is a dermatologist (skin doctor) in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Dr. Guitart is listed at 680 N Lake Shore Dr Suite 1000, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (312) 695-8106. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Guitart's National Provider Identifier is 1225074727. 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. Guitart attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
Dr. Guitart has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Guitart performs procedures including 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 Dr. Guitart. If this is you, claiming it is free.
Guide.md
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