Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1124606512 Individual Practitioner Female Practitioner

Dr. Ruby Kwak , MD

Dermatology • Ann Arbor, MI

Professional Overview & Biography Verified Profile Summary

Dr. Ruby Kwak, MD is a registered healthcare professional specializing in Dermatology in Ann Arbor, MI. Practice services are available at 1500 E MEDICAL CENTER DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1500 E Medical Center Dr

Ann Arbor, MI 481095000

Telephone 7349364000
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Ann Arbor, MI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 16.9 Yrs
State Avg: 22.2 Yrs
Regional Practice Density
57 Specialists

Practicing in Ann Arbor, MI (493 Statewide)

Telehealth Adoption Rate
14.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-06-23
Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License MI 4301517523

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Secondary Practice Locations

55 Fruit St

Boston, MA 021142696

Phone: 6177262000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Sameer Saini , MD

Internal Medicine - Gastroenterology

NPI 1003039124

Doctor of Medicine (M.D.)

Dr. Kyle Perry , MD

Pathology - Cytopathology

NPI 1003053901

Doctor of Medicine (M.D.)

Dr. Michael Watson , MD

Pediatrics - Pediatric Infectious Diseases

NPI 1003092040

Doctor of Medicine (M.D.)

Denise Berry , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003128356

Certified Registered Nurse Anesthetist

Dr. Ketti Petersen , MD

Family Medicine - Hospice and Palliative Medicine

NPI 1003128919

Doctor of Medicine (M.D.)

Katherine Mccormack , PA-C

Physician Assistant

NPI 1003167321

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
📍
Updated Business Mailing Address June 23, 2026

Registered at 3621 S STATE ST, ANN ARBOR, MI 481081633 (Tel: 7346475299)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 23, 2026

Dermatology (License #4301517523 in MI)

📍
Updated Practice Location August 06, 2025

Registered at 1500 E MEDICAL CENTER DR, ANN ARBOR, MI 481095000 (Tel: 7349364068)

📍
Updated Business Mailing Address August 06, 2025

Registered at 1500 E MEDICAL CENTER DR, ANN ARBOR, MI 481095000 (Tel: 7349364068)

NPI Profile Active March 29, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location March 29, 2021

Registered at 55 FRUIT ST, BOSTON, MA 021142696 (Tel: 6177262000)

📍
Updated Business Mailing Address March 29, 2021

Registered at 170 BROOKLINE AVE UNIT 510, BOSTON, MA 022153922 (Tel: 8577638375)

👤
Provider Name / Credentials Updated March 29, 2021

Recorded as RUBY KWAK, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 29, 2021

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 29, 2021

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1124606512
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 29, 2021
Last Update: June 23, 2026
Sole Proprietor: Yes

Mailing Address

3621 S State St

Ann Arbor, MI 481081633

Phone: 7346475299

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.