Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1477972032 Individual Practitioner Female Practitioner

Dr. Margaret Wat , MD

Dermatology • Beverly, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Margaret Wat, MD is a certified Dermatology practicing in Beverly, MA. With approximately 12 years of clinical experience since graduating from Baylor College Of Medicine in 2014, Dr. Wat delivers high-quality medical care to the local community at 900 CUMMINGS CTR STE 311T.

Dr. Wat maintains professional affiliations with Massachusetts Dermatology Associates, P.C., Massderm Billing Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include destruction of precancer skin growth, 2-14 growths, destruction of skin growth, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

900 Cummings Ctr Ste 311t

Beverly, MA 019156260

Telephone 9782253376
Fax 9785601245
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Baylor College Of Medicine

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Beverly, MA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
12 Yrs -3.0 yrs vs City Avg
City Avg: 15.0 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
15 Specialists

Practicing in Beverly, MA (648 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
58.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wat (12 Years) 12 Yrs
Beverly Specialty Average (15.0 Years) 15.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths
453 81 $16.00 $6.69
17000 Destruction of skin growth
114 102 $167.00 $48.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
111 111 $252.00 $110.91
11103 Biopsy of related skin growth, each additional growth
97 37 $137.00 $50.83
11102 Tangential biopsy of single skin lesion
90 81 $257.00 $91.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
88 72 $251.00 $126.67
17110 Destruction of up to 14 skin growths
56 50 $287.00 $110.25
99213 Established patient office or other outpatient visit, typically 15 minutes
54 44 $171.00 $89.72
96900 Application of ultraviolet light to skin
42 11 $57.00 $23.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
38 38 $383.00 $165.44
88305 Pathology examination of tissue using a microscope, intermediate complexity
27 16 $99.00 $37.00
17004 Destruction of precancer skin growth, 15 or more growths
18 17 $405.00 $166.77
88342 Special stained specimen slides to examine tissue, initial procedure
14 12 $93.00 $34.27

Medical Specialties & State Licenses

CMS Verified: 2025-06-11
Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License TX U1455

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.

Dermatology - Dermatopathology

NUCC Taxonomy Code: 207ND0900X

State License TX U1455

A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License TX U1455

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Massachusetts Dermatology Associates, P.c.

900 Cummings Ctr, Beverly, MA 019156260

Phone: 9782253376

Massderm Billing Pc

900 Cummings Ctr, Beverly, MA 019156260

Phone: 9782253376

Secondary Practice Locations

13105 Wortham Center Dr

Houston, TX 770655611

Phone: 7134420000

22121 Fm 1093 Rd

Richmond, TX 774072140

Phone: 7134424100

Practice Associates & Co-Workers

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

11 Associated Practitioners
NPI 1114153004

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

NPI 1114455102

Doctor of Medicine (M.D.)

NPI 1356830731

Doctor of Medicine (M.D.)

NPI 1386202158

Doctor of Medicine (M.D.)

NPI 1437476975

Doctor of Medicine (M.D.)

NPI 1538297676

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

18 Historical Events
📍
Updated Practice Location June 11, 2025

Registered at 900 CUMMINGS CTR STE 311T, BEVERLY, MA 019156260 (Tel: 9782253376)

📍
Updated Business Mailing Address June 11, 2025

Registered at 900 CUMMINGS CTR STE 311T, BEVERLY, MA 019156260 (Tel: 9782253376)

📍
Updated Practice Location May 27, 2023

Registered at 13105 WORTHAM CENTER DR, HOUSTON, TX 770655611 (Tel: 7134420000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 27, 2023

Dermatology (License #U1455 in TX)

📍
Updated Practice Location February 03, 2023

Registered at 11211 NEXUS AVE, STAFFORD, TX 774771461 (Tel: 7134428000)

📍
Updated Business Mailing Address February 03, 2023

Registered at 11511 SHADOW CREEK PKWY, PEARLAND, TX 775847298 (Tel: 7134420000)

👤
Provider Name / Credentials Updated February 03, 2023

Recorded as MARGARET WAT, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 03, 2023

Internal Medicine (License #U1455 in TX)

📍
Updated Practice Location November 10, 2021

Registered at 7165 N PIMA CANYON DR, TUCSON, AZ 857181407 (Tel: 5206942128)

📍
Updated Business Mailing Address November 10, 2021

Registered at 7165 N PIMA CANYON DR, TUCSON, AZ 857181407 (Tel: 5206942128)

📍
Updated Practice Location February 07, 2020

Registered at 1316 W ONTARIO ST, PHILADELPHIA, PA 191405220 (Tel: 2157073376)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 07, 2020

Dermatology (License #MD468123 in PA)

NPI Profile Active April 10, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location April 10, 2014

Registered at 1 BAYLOR PLZ, HOUSTON, TX 770303411 (Tel: 7137984951)

📍
Updated Business Mailing Address April 10, 2014

Registered at 1 BAYLOR PLZ, HOUSTON, TX 770303411 (Tel: 7137984951)

👤
Provider Name / Credentials Updated April 10, 2014

Recorded as MARGARET WAT

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 10, 2014

Student in an Organized Health Care Education/Training Program (License #BP10049494 in TX)

🟢
Initial NPI Registration & Enumeration April 10, 2014

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: 1477972032
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 10, 2014
Last Update: June 11, 2025
Sole Proprietor: No

Mailing Address

900 Cummings Ctr Ste 311t

Beverly, MA 019156260

Phone: 9782253376

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.