Active NPI 1740488238 Individual Practitioner Male Practitioner

Dr. Gregory Lucien Simpson , MD

Dermatology • Fresno, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Simpson, MD is a certified Dermatology practicing in Fresno, CA. With approximately 20 years of clinical experience since graduating from University Of Tennessee, Hsc, College Of Medicine in 2006, Dr. Simpson delivers high-quality medical care to the local community at 2335 E KASHIAN LN STE 208.

Dr. Simpson maintains professional affiliations with Central California Faculty Medical Group Inc, Family Healthcare Network 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

2335 E Kashian Ln Ste 208

Fresno, CA 937012230

Telephone 5593201090

Associated Practice Facility / Clinic

🏢 Central California Faculty Medical Group, Inc. Facility NPI 1992742852

Medicare Profile & Education

Medical School

University Of Tennessee, Hsc, College Of Medicine

Graduation Year

2006

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Fresno, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

20 Yrs -3.7 yrs vs City Avg

City Avg: 23.7 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

26 Specialists

Practicing in Fresno, CA (2182 Statewide)

Telehealth Adoption Rate

7.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

55.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Simpson (20 Years) 20 Yrs

Fresno Specialty Average (23.7 Years) 23.7 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	755	190	$36.00	$7.06
99213 Established patient office or other outpatient visit, typically 15 minutes	612	432	$134.00	$92.35
17000 Destruction of skin growth	419	329	$219.00	$64.80
11102 Tangential biopsy of single skin lesion	140	132	$264.00	$104.90
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	126	25	$4.00	$0.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	97	97	$242.00	$111.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	78	57	$209.00	$130.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	61	30	$96.00	$57.53
11900 Injection into skin growth, 1-7 growths	39	16	$113.00	$48.07
11103 Biopsy of related skin growth, each additional growth	34	28	$142.00	$52.42
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	26	13	$69.00	$14.79
87220 Tissue fungi or parasites	19	17	$15.00	$4.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	718	177	$36.00	$7.23
99213 Established patient office or other outpatient visit, typically 15 minutes	626	437	$133.83	$93.60
17000 Destruction of skin growth	419	318	$219.00	$65.55
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	137	31	$4.00	$1.07
11102 Tangential biopsy of single skin lesion	123	111	$264.00	$107.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	72	72	$242.00	$115.95
29580 Strapping, unna boot	71	11	$145.92	$79.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	55	35	$209.00	$130.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	21	$96.00	$59.16
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	38	20	$69.00	$14.88
11103 Biopsy of related skin growth, each additional growth	35	27	$142.00	$53.92
11900 Injection into skin growth, 1-7 growths	33	17	$113.00	$46.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	650	170	$36.00	$7.21
99213 Established patient office or other outpatient visit, typically 15 minutes	622	440	$134.00	$93.35
17000 Destruction of skin growth	426	325	$219.00	$63.08
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B	189	12	$169.00	$127.42
11102 Tangential biopsy of single skin lesion	174	154	$264.00	$108.78
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	163	37	$4.00	$1.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	107	107	$242.00	$114.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	39	$209.00	$128.69
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	60	46	$96.00	$58.55
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	48	25	$69.00	$14.65
11900 Injection into skin growth, 1-7 growths	43	22	$113.00	$50.77
11103 Biopsy of related skin growth, each additional growth	40	30	$142.00	$54.22
29580 Strapping, unna boot	28	13	$136.25	$71.75
87220 Tissue fungi or parasites	26	21	$15.00	$4.21
11104 Punch biopsy, first skin growth	21	20	$332.00	$136.09
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	13	12	$623.00	$388.93
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$164.00	$75.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	809	205	$36.00	$7.04
99213 Established patient office or other outpatient visit, typically 15 minutes	582	423	$134.00	$95.44
17000 Destruction of skin growth	432	333	$219.00	$65.18
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B	309	20	$164.99	$129.13
11102 Tangential biopsy of single skin lesion	160	150	$264.00	$111.99
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	138	36	$4.00	$1.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	130	130	$242.00	$116.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	106	80	$96.00	$59.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	46	$209.00	$135.66
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	48	21	$69.00	$14.94
11900 Injection into skin growth, 1-7 growths	46	24	$113.00	$53.01
29580 Strapping, unna boot	41	13	$149.27	$79.89
11103 Biopsy of related skin growth, each additional growth	28	24	$142.00	$56.81
87220 Tissue fungi or parasites	27	24	$15.00	$4.27
0011A Adm sarscov2 100mcg/0.5ml1st	24	24	$70.00	$22.02
0012A Adm sarscov2 100mcg/0.5ml2nd	21	21	$70.00	$42.24
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$164.00	$76.47
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	18	14	$623.00	$389.77
11104 Punch biopsy, first skin growth	15	14	$332.00	$140.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	798	170	$36.00	$6.52
99213 Established patient office or other outpatient visit, typically 15 minutes	543	378	$134.00	$78.11
17000 Destruction of skin growth	370	293	$219.00	$60.80
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B	295	21	$107.00	$107.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	174	135	$209.00	$114.68
11102 Tangential biopsy of single skin lesion	166	154	$264.00	$107.77
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	160	39	$4.00	$1.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	54	54	$242.00	$113.36
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	51	22	$69.00	$15.11
29580 Strapping, unna boot	46	14	$142.89	$75.81
11103 Biopsy of related skin growth, each additional growth	39	33	$142.00	$57.24
11900 Injection into skin growth, 1-7 growths	34	23	$113.00	$48.59
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$164.00	$79.97
87220 Tissue fungi or parasites	22	20	$15.00	$4.24
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	19	15	$623.00	$391.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	13	$96.00	$48.21
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	14	14	$250.00	$146.39
11104 Punch biopsy, first skin growth	13	13	$332.00	$135.84
69100 Biopsy of ear	12	12	$248.00	$88.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	749	194	$36.00	$5.79
99213 Established patient office or other outpatient visit, typically 15 minutes	734	507	$134.00	$76.05
17000 Destruction of skin growth	408	325	$219.00	$61.16
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B	358	26	$107.00	$104.97
11102 Tangential biopsy of single skin lesion	202	185	$264.00	$103.04
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	152	39	$4.34	$1.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	72	$209.00	$112.16
29580 Strapping, unna boot	87	16	$145.54	$73.96
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	82	82	$242.00	$109.98
99202 New patient office or other outpatient visit, typically 20 minutes	53	53	$164.00	$78.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	46	33	$96.00	$46.84
11103 Biopsy of related skin growth, each additional growth	43	31	$142.00	$55.92
11900 Injection into skin growth, 1-7 growths	39	23	$113.00	$53.65
99221 Initial hospital inpatient care per day, typically 30 minutes	35	34	$168.00	$101.93
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	33	21	$69.00	$17.44
11104 Punch biopsy, first skin growth	23	23	$332.00	$130.62
69100 Biopsy of ear	20	18	$248.00	$77.10
87220 Tissue fungi or parasites	20	20	$15.00	$4.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	19	$139.00	$73.68
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	12	11	$623.00	$388.55
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	12	11	$250.00	$133.41
17110 Destruction of up to 14 skin growths	11	11	$303.00	$116.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	751	168	$36.00	$5.42
99213 Established patient office or other outpatient visit, typically 15 minutes	700	490	$134.00	$74.69
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B	389	20	$107.00	$105.04
17000 Destruction of skin growth	366	285	$219.00	$62.14
11100 Biopsy of single growth of skin and/or tissue	254	233	$272.00	$109.44
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	123	38	$4.23	$1.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	103	74	$209.00	$111.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	102	102	$242.00	$110.81
11101 Biopsy of each additional growth of skin and/or tissue	63	48	$84.00	$33.14
99202 New patient office or other outpatient visit, typically 20 minutes	59	59	$164.00	$77.44
29580 Strapping, unna boot	49	16	$137.63	$71.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	34	$96.00	$45.62
11900 Injection into skin growth, 1-7 growths	36	24	$113.00	$55.44
99221 Initial hospital inpatient care per day, typically 30 minutes	31	28	$168.00	$102.07
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	28	15	$69.00	$21.60
87220 Tissue fungi or parasites	22	21	$15.00	$5.16
69100 Biopsy of ear	19	18	$248.00	$91.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	15	14	$139.00	$73.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,084	216	$36.00	$5.75
96910 Skin application of tar and ultraviolet B or petrolatum and ultraviolet B	615	16	$107.00	$74.75
99213 Established patient office or other outpatient visit, typically 15 minutes	564	411	$134.00	$74.09
17000 Destruction of skin growth	371	287	$219.00	$61.31
11100 Biopsy of single growth of skin and/or tissue	249	227	$272.00	$105.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	236	179	$209.00	$109.40
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	152	38	$4.00	$1.81
29580 Strapping, unna boot	110	24	$77.64	$32.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	105	105	$242.00	$109.69
11101 Biopsy of each additional growth of skin and/or tissue	62	44	$84.00	$33.10
99202 New patient office or other outpatient visit, typically 20 minutes	53	53	$164.00	$76.45
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	46	21	$69.00	$26.57
99221 Initial hospital inpatient care per day, typically 30 minutes	40	40	$168.00	$100.85
11900 Injection into skin growth, 1-7 growths	38	26	$113.00	$52.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	30	27	$96.00	$44.70
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	25	21	$623.00	$348.83
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	22	21	$250.00	$143.23
87220 Tissue fungi or parasites	20	18	$15.00	$5.74
17110 Destruction of up to 14 skin growths	19	19	$303.00	$111.01

Medical Specialties & State Licenses

CMS Verified: 2025-08-11

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License CA A112941

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.

Hospital & Practice Group Affiliations

Family Healthcare Network

501 N Bridge St, Visalia, CA 932915014

Phone: 5597341939

Central California Faculty Medical Group Inc

2210 E Illinois Ave, Fresno, CA 937012184

Phone: 5593200580

Practice Associates & Co-Workers

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

37 Associated Practitioners

Dr. Sumaya Hammami , MD

Internal Medicine

NPI 1033649843

Doctor of Medicine (M.D.)

Muhammad Gul

Internal Medicine - Pulmonary Disease

NPI 1043744303

Mahshid Zohouri

Internal Medicine

NPI 1043953318

Dr. Karl Vangundy , MD

Internal Medicine - Pulmonary Disease

NPI 1073532529

Doctor of Medicine (M.D.)

Robert Kelleher , NP

Nurse Practitioner - Acute Care

NPI 1144643404

Nurse Practitioner

Dr. Brandon Croft , MD

Internal Medicine - Pulmonary Disease

NPI 1215564885

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location August 11, 2025

Registered at 2335 E KASHIAN LN STE 208, FRESNO, CA 937012230 (Tel: 5593201090)

📍

Updated Practice Location November 05, 2019

Registered at 2335 E KASHIAN LN STE 410, FRESNO, CA 937012234 (Tel: 5592664100)

✅

NPI Profile Active June 23, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location June 23, 2014

Registered at 2335 E KASHIAN LN, SUITE 410, FRESNO, CA 937012230 (Tel: 5592664100)

📍

Updated Business Mailing Address June 23, 2014

Registered at 2625 E DIVISADERO ST, FRESNO, CA 937211431 (Tel: 5594432682)

👤

Provider Name / Credentials Updated June 23, 2014

Recorded as GREGORY SIMPSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 23, 2014

Dermatology (License #A112941 in CA)

🟢

Initial NPI Registration & Enumeration July 05, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1740488238

Entity Type:

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

Enumeration Date: July 05, 2007

Last Update: August 11, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2625 E Divisadero St

Fresno, CA 937211431

Phone: 5594432682

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.