Active NPI 1598743601 Individual Practitioner Female Practitioner

Dr. Ma Katrina Dy , MD

Dermatology • Naples, FL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ma Katrina Dy, MD is a certified Dermatology practicing in Naples, FL. With approximately 24 years of clinical experience since graduating from George Washington University School Of Medicine in 2002, Dr. Dy delivers high-quality medical care to the local community at 261 9TH ST S.

Dr. Dy is affiliated with Aqua Dermatology Of Florida, Pa and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

261 9th St S

Naples, FL 341026258

Telephone 2392164337

Fax 2392615594

Associated Practice Facility / Clinic

🏢 Naples Center For Dermatology & Riverchase Dermatology Facility NPI 1538645775

Medicare Profile & Education

Medical School

George Washington University School Of Medicine

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Naples, FL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs +0.5 yrs vs City Avg

City Avg: 23.5 Yrs

State Avg: 23.7 Yrs

Regional Practice Density

35 Specialists

Practicing in Naples, FL (1273 Statewide)

Telehealth Adoption Rate

2.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

56.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dy (24 Years) 24 Yrs

Naples Specialty Average (23.5 Years) 23.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	2,532	421	$14.00	$6.53
99213 Established patient office or other outpatient visit, typically 15 minutes	1,027	862	$191.00	$91.88
17000 Destruction of skin growth	676	539	$142.00	$53.19
17110 Destruction of up to 14 skin growths	353	298	$237.00	$111.43
11102 Tangential biopsy of single skin lesion	342	294	$209.00	$91.68
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	176	154	$119.00	$57.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	160	132	$270.00	$129.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	145	145	$238.00	$113.58
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	120	98	$376.00	$163.91
11103 Biopsy of related skin growth, each additional growth	86	60	$105.00	$50.18
17004 Destruction of precancer skin growth, 15 or more growths	51	47	$352.00	$168.07
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	33	31	$398.00	$176.06
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$153.00	$72.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$357.00	$169.95
69100 Biopsy of ear	20	18	$201.00	$72.04
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	15	15	$639.00	$305.74
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	13	13	$553.00	$264.53
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	11	11	$516.00	$123.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	2,499	422	$14.00	$6.67
99213 Established patient office or other outpatient visit, typically 15 minutes	983	807	$194.49	$92.28
17000 Destruction of skin growth	655	525	$144.68	$54.20
11102 Tangential biopsy of single skin lesion	344	290	$218.18	$95.04
17110 Destruction of up to 14 skin growths	329	290	$242.64	$114.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	206	206	$246.16	$116.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	151	139	$121.76	$57.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	136	115	$274.64	$130.29
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	99	78	$387.79	$167.94
11103 Biopsy of related skin growth, each additional growth	74	53	$108.68	$51.45
17004 Destruction of precancer skin growth, 15 or more growths	56	47	$366.88	$173.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$362.42	$171.46
99202 New patient office or other outpatient visit, typically 20 minutes	28	28	$155.86	$74.37
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	26	26	$409.23	$186.38
69100 Biopsy of ear	17	17	$210.41	$90.68
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	13	12	$658.54	$312.30
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	11	11	$531.82	$125.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	2,100	368	$13.97	$6.82
99213 Established patient office or other outpatient visit, typically 15 minutes	808	697	$198.88	$93.80
17000 Destruction of skin growth	546	466	$142.87	$57.03
11102 Tangential biopsy of single skin lesion	307	274	$223.00	$98.98
17110 Destruction of up to 14 skin growths	278	245	$243.56	$116.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	247	247	$247.00	$117.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	157	140	$121.00	$59.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	94	74	$282.00	$132.12
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	94	83	$388.00	$175.16
11103 Biopsy of related skin growth, each additional growth	61	48	$115.00	$53.38
17004 Destruction of precancer skin growth, 15 or more growths	54	49	$359.00	$175.10
99202 New patient office or other outpatient visit, typically 20 minutes	54	54	$160.00	$76.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$370.00	$175.41
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	19	18	$411.00	$193.06
69100 Biopsy of ear	18	15	$217.00	$79.22
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	15	14	$672.00	$317.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,500	296	$15.04	$6.63
17000 Destruction of skin growth	419	382	$146.81	$55.50
99213 Established patient office or other outpatient visit, typically 15 minutes	395	363	$201.97	$95.29
11102 Tangential biopsy of single skin lesion	292	271	$223.05	$101.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	285	271	$122.83	$58.41
17110 Destruction of up to 14 skin growths	238	218	$247.06	$117.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	186	186	$247.00	$117.81
99202 New patient office or other outpatient visit, typically 20 minutes	155	155	$160.00	$76.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	98	79	$287.55	$135.78
11103 Biopsy of related skin growth, each additional growth	62	44	$115.97	$55.39
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	57	51	$388.00	$178.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$370.00	$172.08
17004 Destruction of precancer skin growth, 15 or more growths	34	30	$359.00	$173.25
69100 Biopsy of ear	14	13	$217.00	$85.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	521	115	$35.00	$6.80
99213 Established patient office or other outpatient visit, typically 15 minutes	363	310	$250.00	$81.08
17000 Destruction of skin growth	179	162	$200.00	$64.02
11102 Tangential biopsy of single skin lesion	91	80	$225.00	$106.18
17110 Destruction of up to 14 skin growths	87	70	$313.79	$123.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$350.00	$117.86
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	32	$150.00	$49.78
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$300.00	$80.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	600	119	$35.00	$6.20
99213 Established patient office or other outpatient visit, typically 15 minutes	406	311	$250.00	$79.32
17000 Destruction of skin growth	217	169	$200.00	$58.57
11102 Tangential biopsy of single skin lesion	129	118	$218.22	$101.95
17110 Destruction of up to 14 skin growths	89	73	$294.38	$122.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	70	70	$350.00	$114.14
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	32	$150.00	$48.66
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$300.00	$83.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	19	$300.00	$115.94
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	17	17	$450.00	$186.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	501	95	$33.24	$6.01
99213 Established patient office or other outpatient visit, typically 15 minutes	344	255	$233.08	$80.64
17000 Destruction of skin growth	188	141	$195.71	$63.95
11100 Biopsy of single growth of skin and/or tissue	111	93	$271.50	$114.97
17110 Destruction of up to 14 skin growths	73	58	$226.71	$121.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	64	64	$340.23	$120.16
99202 New patient office or other outpatient visit, typically 20 minutes	36	36	$288.00	$83.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	28	$142.52	$49.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	22	$296.74	$120.50
11101 Biopsy of each additional growth of skin and/or tissue	13	12	$138.92	$36.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	383	305	$170.30	$79.48
17003 Destruction of precancer skin growth, 2-14 growths	261	129	$58.54	$6.31
17000 Destruction of skin growth	224	186	$174.00	$63.23
11100 Biopsy of single growth of skin and/or tissue	102	94	$240.66	$109.58
17110 Destruction of up to 14 skin growths	94	68	$246.17	$114.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	60	49	$112.42	$48.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$225.00	$116.10
99202 New patient office or other outpatient visit, typically 20 minutes	48	48	$156.00	$80.98
11101 Biopsy of each additional growth of skin and/or tissue	16	13	$72.13	$35.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	14	$246.67	$116.86

Medical Specialties & State Licenses

CMS Verified: 2021-02-17

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License FL ME147373

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

NUCC Taxonomy Code: 207N00000X

State License NH 12841

Dermatology

NUCC Taxonomy Code: 207N00000X

State License MN 45708

Dermatology

NUCC Taxonomy Code: 207N00000X

State License MA 236945

Hospital & Practice Group Affiliations

Aqua Dermatology Of Florida, Pa

261 9th St S, Naples, FL 341026258

Phone: 2392164337

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Heather Pontasch , MD

Dermatology

NPI 1114242674

Doctor of Medicine (M.D.)

Dr. Aleksandra Florek , MD

Dermatology

NPI 1417364670

Doctor of Medicine (M.D.)

Dr. Robert Tomsick , MD

Dermatology

NPI 1669582474

Doctor of Medicine (M.D.)

Stephanie Simmerman , ARNP

Nurse Practitioner

NPI 1871844175

Advanced Registered Nurse Practitioner

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location February 17, 2021

Registered at 261 9TH ST S, NAPLES, FL 341026258 (Tel: 2392164337)

📍

Updated Business Mailing Address February 17, 2021

Registered at 15051 S TAMIAMI TRL STE 203, FORT MYERS, FL 339085182

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2021

Dermatology (License #12841 in NH)

✅

NPI Profile Active April 25, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location April 25, 2011

Registered at 725 CONCORD AVE, SUITE 4100, CAMBRIDGE, MA 021381040 (Tel: 6174971776)

📍

Updated Business Mailing Address April 25, 2011

Registered at 725 CONCORD AVE, SUITE 4100, CAMBRIDGE, MA 021381040 (Tel: 6174971776)

👤

Provider Name / Credentials Updated April 25, 2011

Recorded as MA KATRINA DY, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 25, 2011

Dermatology (License #236945 in MA)

🟢

Initial NPI Registration & Enumeration January 09, 2006

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: 1598743601

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: January 09, 2006

Last Update: February 17, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

15051 S Tamiami Trl Ste 203

Fort Myers, FL 339085182

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.