Active NPI 1710419379 Individual Practitioner Male Practitioner

Dr. Mark Mckinley Ash , MD

Dermatology • Clay, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Ash, MD is a certified Dermatology practicing in Clay, NY. With approximately 9 years of clinical experience since graduating from Brody School Of Medicine At East Carolina University in 2017, Dr. Ash delivers high-quality medical care to the local community at 4106 ROUTE 31 # 904.

Dr. Ash 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 up to 14 skin growths. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4106 Route 31 # 904

Clay, NY 130418789

Telephone 3155003376

Fax 3156003376

Associated Practice Facility / Clinic

🏢 Syracuse Dermatology, Pllc Facility NPI 1649159930

Medicare Profile & Education

Medical School

Brody School Of Medicine At East Carolina University

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Clay, NY

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

9 Yrs Matches City Avg

City Avg: 9.0 Yrs

State Avg: 28.4 Yrs

Regional Practice Density

1 Specialists

Practicing in Clay, NY (1289 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

49.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ash (9 Years) 9 Yrs

Clay Specialty Average (9.0 Years) 9.0 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	792	136	$11.15	$6.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	548	305	$185.22	$122.17
17110 Destruction of up to 14 skin growths	271	195	$190.17	$100.90
17000 Destruction of skin growth	270	187	$113.46	$43.07
G2211 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's	191	125	$27.72	$15.68
99213 Established patient office or other outpatient visit, typically 15 minutes	146	111	$153.05	$86.32
11102 Tangential biopsy of single skin lesion	84	66	$167.65	$67.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	53	19	$303.39	$171.70
17004 Destruction of precancer skin growth, 15 or more growths	46	28	$280.41	$158.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$279.39	$158.89
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	33	28	$202.49	$105.94
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	28	27	$166.87	$64.33
11103 Biopsy of related skin growth, each additional growth	19	12	$84.04	$47.51
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	18	13	$324.21	$157.92
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	15	14	$409.22	$115.68
11104 Punch biopsy, first skin growth	14	12	$207.59	$117.50
13121 Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs	14	13	$706.37	$399.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	941	148	$11.27	$6.38
J7345 Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg	614	11	$2.77	$1.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	522	270	$186.41	$122.33
17000 Destruction of skin growth	275	189	$113.27	$44.19
17110 Destruction of up to 14 skin growths	243	173	$191.23	$100.51
99213 Established patient office or other outpatient visit, typically 15 minutes	118	95	$152.58	$86.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	113	113	$280.61	$158.71
11102 Tangential biopsy of single skin lesion	111	94	$170.90	$72.45
17004 Destruction of precancer skin growth, 15 or more growths	40	25	$283.30	$162.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	20	$301.32	$171.77
11103 Biopsy of related skin growth, each additional growth	37	23	$83.18	$48.28
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	36	33	$205.66	$110.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$189.47	$107.42
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	21	20	$169.51	$67.42
11104 Punch biopsy, first skin growth	20	20	$212.76	$120.79
13101 Complicated repair of wound of trunk, 2.6-7.5 cm	17	15	$659.87	$382.25
96574 Application of light with debridement to destroy precancer skin growth	17	11	$473.70	$269.24
17263 Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm	14	12	$326.39	$172.27
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	14	13	$453.93	$133.92
11302 Shaving of skin growth of body, arms, or legs, 1.1-2.0 cm	13	11	$231.82	$121.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	592	99	$10.01	$6.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	273	140	$189.05	$124.58
17000 Destruction of skin growth	193	132	$99.63	$41.39
11102 Tangential biopsy of single skin lesion	141	106	$152.12	$81.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	124	123	$246.73	$160.67
17110 Destruction of up to 14 skin growths	120	88	$168.01	$102.34
11103 Biopsy of related skin growth, each additional growth	90	48	$75.83	$49.93
99213 Established patient office or other outpatient visit, typically 15 minutes	76	55	$133.07	$88.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	49	49	$165.42	$109.07
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	29	28	$182.60	$107.71
11104 Punch biopsy, first skin growth	25	23	$188.88	$117.30
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	23	16	$264.75	$140.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	16	$83.19	$54.83
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	16	15	$152.36	$78.36
13121 Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs	16	12	$635.00	$404.39
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	15	12	$412.59	$135.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	128	29	$10.43	$6.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	76	76	$299.95	$162.77
17000 Destruction of skin growth	50	43	$116.90	$45.44
11102 Tangential biopsy of single skin lesion	49	43	$160.00	$86.66
17110 Destruction of up to 14 skin growths	48	43	$198.04	$102.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	32	$183.00	$127.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$189.18	$110.08
99213 Established patient office or other outpatient visit, typically 15 minutes	32	29	$124.00	$89.64
11103 Biopsy of related skin growth, each additional growth	27	15	$82.00	$51.96
11104 Punch biopsy, first skin growth	13	12	$190.00	$127.96

Medical Specialties & State Licenses

CMS Verified: 2026-01-23

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License NY 309640

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.

Career & Practice History Timeline

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

16 Historical Events

📍

Updated Practice Location January 23, 2026

Registered at 4106 ROUTE 31 # 904, CLAY, NY 130418789 (Tel: 3155003376)

📍

Updated Business Mailing Address January 23, 2026

Registered at 4106 ROUTE 31 # 904, CLAY, NY 130418789 (Tel: 3155003376)

📍

Updated Practice Location August 07, 2025

Registered at 2 HEALEY AVE, PLATTSBURGH, NY 129012413 (Tel: 8028640192)

📍

Updated Business Mailing Address August 07, 2025

Registered at PO BOX 2008, LIVERPOOL, NY 130892008 (Tel: 3155003376)

📍

Updated Practice Location September 15, 2021

Registered at 5823 WIDEWATERS PKWY, EAST SYRACUSE, NY 130573084 (Tel: 3155007546)

📍

Updated Business Mailing Address September 15, 2021

Registered at 5823 WIDEWATERS PKWY, EAST SYRACUSE, NY 130573084 (Tel: 3155007546)

📍

Updated Practice Location April 10, 2021

Registered at UNC DERMATOLOGY & SKIN CANCER CENTER, 410 MARKET ST, SUITE #400, CHAPEL HILL, NC 27516 (Tel: 9849743900)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 10, 2021

Dermatology (License #309640 in NY)

📍

Updated Practice Location May 15, 2018

Registered at 750 E ADAMS ST, SYRACUSE, NY 13210 (Tel: 3154645240)

📍

Updated Business Mailing Address May 15, 2018

Registered at 410 MARKET ST STE 400, CHAPEL HILL, NC 275164061 (Tel: 9849743900)

✅

NPI Profile Active March 31, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location March 31, 2017

Registered at 750 E ADAMS ST, SYRACUSE, NY 132102306 (Tel: 3154645240)

📍

Updated Business Mailing Address March 31, 2017

Registered at 1209A ALLEN RIDGE DR, GREENVILLE, NC 278340128 (Tel: 7349040653)

👤

Provider Name / Credentials Updated March 31, 2017

Recorded as MARK ASH, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 31, 2017

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration March 31, 2017

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1710419379

Entity Type:

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

Enumeration Date: March 31, 2017

Last Update: January 23, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4106 Route 31 # 904

Clay, NY 130418789

Phone: 3155003376

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.