Active NPI 1992218911 Individual Practitioner Male Practitioner

Derek Ramsey , PA-C

Physician Assistant • Oak Ridge, TN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Derek Ramsey, PA-C is a certified Physician Assistant practicing in Oak Ridge, TN. With approximately 9 years of clinical experience since graduating from Lincoln Memorial University Medical Department in 2017, Derek Ramsey delivers high-quality medical care to the local community at 599 OAK RIDGE TPKE.

Derek Ramsey is affiliated with Dermatology Associates Of Oak Ridge,Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include aminolevulinic acid hcl for topical administration, 10% gel, 10 mg, destruction of precancer skin growth, 2-14 growths, established 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

599 Oak Ridge Tpke

Oak Ridge, TN 378307177

Telephone 8654822129

Fax 8658131013

Associated Practice Facility / Clinic

🏢 Dermatology Associates Of Oak Ridge,pc Facility NPI 1558467951

Medicare Profile & Education

Medical School

Lincoln Memorial University Medical Department

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Oak Ridge, TN

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

9 Yrs -1.2 yrs vs City Avg

City Avg: 10.2 Yrs

State Avg: 10.5 Yrs

Regional Practice Density

39 Specialists

Practicing in Oak Ridge, TN (3096 Statewide)

Telehealth Adoption Rate

5.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

39.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ramsey (9 Years) 9 Yrs

Oak Ridge Specialty Average (10.2 Years) 10.2 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
J7345 Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg	8,200	28	$1.75	$1.67
17003 Destruction of precancer skin growth, 2-14 growths	2,401	397	$30.00	$5.10
99213 Established patient office or other outpatient visit, typically 15 minutes	869	638	$100.00	$70.91
17000 Destruction of skin growth	704	520	$100.00	$43.09
17110 Destruction of up to 14 skin growths	261	217	$130.00	$83.80
11102 Tangential biopsy of single skin lesion	229	209	$120.00	$64.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	208	179	$140.00	$100.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	142	126	$70.00	$43.84
17004 Destruction of precancer skin growth, 15 or more growths	102	74	$260.00	$128.00
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	100	75	$170.00	$95.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	94	94	$120.00	$86.69
11103 Biopsy of related skin growth, each additional growth	47	37	$60.00	$38.26
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	46	35	$205.00	$123.08
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	44	29	$150.00	$102.19
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	33	17	$10.91	$0.97
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	28	25	$190.00	$107.31
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	27	24	$205.00	$124.96
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$95.00	$56.10
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$180.00	$130.47
11900 Injection into skin growth, 1-7 growths	17	13	$70.00	$34.92
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	13	11	$215.00	$133.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7345 Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg	6,800	29	$1.75	$1.63
17003 Destruction of precancer skin growth, 2-14 growths	2,303	417	$30.00	$5.19
99213 Established patient office or other outpatient visit, typically 15 minutes	860	676	$90.80	$70.97
17000 Destruction of skin growth	686	542	$100.00	$42.84
11102 Tangential biopsy of single skin lesion	293	274	$120.00	$70.09
17110 Destruction of up to 14 skin growths	196	180	$130.00	$84.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	175	158	$126.89	$100.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	155	146	$70.00	$44.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	122	122	$120.00	$87.82
17004 Destruction of precancer skin growth, 15 or more growths	112	86	$260.00	$131.00
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	91	64	$161.65	$92.19
11103 Biopsy of related skin growth, each additional growth	76	57	$60.00	$39.01
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	69	58	$196.30	$124.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$161.43	$131.06
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	40	34	$200.50	$127.82
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	35	30	$150.00	$106.68
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	33	30	$186.06	$115.91
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	32	15	$10.00	$1.08
99202 New patient office or other outpatient visit, typically 20 minutes	31	31	$95.00	$56.63
11104 Punch biopsy, first skin growth	18	18	$150.00	$94.51
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	16	16	$206.25	$142.27
11900 Injection into skin growth, 1-7 growths	12	11	$70.00	$36.88
11402 Removal of noncancer skin growth of body, arms, or legs, 1.1-2.0 cm	12	11	$186.67	$66.54
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	12	12	$345.00	$236.13
17280 Destruction of malignant growth (0.5 centimeters or less) of face, ears, eyelids, nose, lips, or mouth	11	11	$160.00	$108.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	2,483	437	$30.00	$5.32
99213 Established patient office or other outpatient visit, typically 15 minutes	805	628	$90.00	$72.04
17000 Destruction of skin growth	719	566	$100.00	$43.80
11102 Tangential biopsy of single skin lesion	251	233	$115.54	$71.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	227	205	$70.00	$44.54
17110 Destruction of up to 14 skin growths	221	194	$130.00	$87.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	163	163	$120.00	$88.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	91	82	$125.00	$101.98
17004 Destruction of precancer skin growth, 15 or more growths	84	62	$260.00	$132.92
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	73	25	$10.00	$1.16
99202 New patient office or other outpatient visit, typically 20 minutes	69	69	$95.00	$57.61
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	66	56	$160.00	$99.59
11103 Biopsy of related skin growth, each additional growth	51	39	$60.00	$40.14
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	39	33	$195.00	$119.06
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	32	29	$200.00	$135.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$160.00	$133.00
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	25	21	$405.00	$388.88
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	25	23	$185.00	$117.44
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	22	21	$150.00	$111.63
11104 Punch biopsy, first skin growth	20	20	$144.50	$100.17
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	17	16	$35.00	$11.38
17280 Destruction of malignant growth (0.5 centimeters or less) of face, ears, eyelids, nose, lips, or mouth	15	12	$160.00	$98.99
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	14	14	$345.00	$239.97
11402 Removal of noncancer skin growth of body, arms, or legs, 1.1-2.0 cm	14	12	$185.00	$67.93
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	13	11	$205.00	$143.49
11900 Injection into skin growth, 1-7 growths	13	11	$70.00	$37.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,782	347	$30.00	$5.15
17000 Destruction of skin growth	521	457	$100.00	$42.46
99213 Established patient office or other outpatient visit, typically 15 minutes	486	440	$89.09	$72.87
11102 Tangential biopsy of single skin lesion	209	202	$110.00	$72.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	181	181	$119.39	$89.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	176	166	$70.00	$44.77
17110 Destruction of up to 14 skin growths	155	140	$130.00	$87.32
99202 New patient office or other outpatient visit, typically 20 minutes	101	101	$95.00	$58.00
17004 Destruction of precancer skin growth, 15 or more growths	72	59	$260.00	$131.16
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	68	22	$10.00	$1.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	64	$125.00	$103.96
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	63	53	$160.00	$94.15
11103 Biopsy of related skin growth, each additional growth	51	41	$60.00	$41.75
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	34	29	$195.00	$120.96
17271 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 0.6-1.0 cm	32	26	$185.00	$113.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$142.26	$130.18
11104 Punch biopsy, first skin growth	28	28	$140.00	$100.82
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	24	22	$200.00	$125.06
17280 Destruction of malignant growth (0.5 centimeters or less) of face, ears, eyelids, nose, lips, or mouth	22	19	$160.00	$96.41
J7308 Aminolevulinic acid hcl for topical administration, 20%, single unit dosage form (354 mg)	22	14	$405.00	$389.76
17272 Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm	18	16	$205.00	$150.12
96567 Application of light and light-sensitive drugs to aid destruction of premalignant skin growths, per session	17	14	$147.65	$112.32
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	13	13	$35.00	$11.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	971	171	$56.77	$4.67
17000 Destruction of skin growth	273	230	$125.85	$46.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	192	178	$175.00	$88.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	176	160	$81.65	$36.16
99213 Established patient office or other outpatient visit, typically 15 minutes	76	68	$112.89	$60.45
17110 Destruction of up to 14 skin growths	70	61	$157.66	$83.82
99202 New patient office or other outpatient visit, typically 20 minutes	47	47	$108.40	$60.83
11102 Tangential biopsy of single skin lesion	38	38	$119.47	$69.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$250.00	$87.15
17004 Destruction of precancer skin growth, 15 or more growths	29	26	$548.69	$125.14
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	21	20	$300.43	$133.71
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	20	18	$182.50	$98.62
11104 Punch biopsy, first skin growth	20	20	$174.00	$89.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,060	180	$68.00	$4.44
17000 Destruction of skin growth	338	254	$136.00	$48.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	232	169	$76.90	$35.50
99213 Established patient office or other outpatient visit, typically 15 minutes	191	174	$96.15	$59.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	122	122	$167.21	$86.96
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	76	76	$179.54	$87.21
17110 Destruction of up to 14 skin growths	69	56	$174.00	$82.86
11104 Punch biopsy, first skin growth	29	28	$225.00	$94.32
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm	28	23	$171.00	$76.74
17004 Destruction of precancer skin growth, 15 or more growths	25	21	$624.00	$119.80
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	21	20	$318.00	$126.41
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	17	15	$128.00	$54.23
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	16	16	$420.00	$142.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	63	18	$68.00	$4.14
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	25	$70.00	$34.37
17000 Destruction of skin growth	24	24	$136.00	$47.52

Medical Specialties & State Licenses

CMS Verified: 2025-10-29

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TN 4237

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Dermatology Associates Of Oak Ridge,pc

599 Oak Ridge Tpke, Oak Ridge, TN 378307177

Phone: 86548221297177

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Evgeniya Teterina Mohammed , MD

Dermatology

NPI 1255865234

Doctor of Medicine (M.D.)

Jerry Allen , NP

Nurse Practitioner

NPI 1285884429

Nurse Practitioner

Emily Hairfield , PA

Physician Assistant - Medical

NPI 1518404573

Physician Assistant

Andrew Morgan , PA

Physician Assistant

NPI 1558339002

Physician Assistant

Jerrin Levy , PA-C

Physician Assistant - Medical

NPI 1588021356

Physician Assistant (Certified)

Davina Blazer , PA-C

Physician Assistant

NPI 1598733958

Physician Assistant (Certified)

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Practice Location October 29, 2025

Registered at 599 OAK RIDGE TPKE, OAK RIDGE, TN 378307177 (Tel: 8654822129)

📍

Updated Practice Location October 21, 2020

Registered at 800 OAK RIDGE TPKE STE A300, OAK RIDGE, TN 378306946 (Tel: 8654822129)

📍

Updated Business Mailing Address October 21, 2020

Registered at 1148 BELLE POND AVE, KNOXVILLE, TN 379322288

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 21, 2020

Physician Assistant (License #4237 in TN)

✅

NPI Profile Active November 13, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location November 13, 2017

Registered at 607 CHESTNUT ST, CHARLESTON, WV 253091205 (Tel: 3047669136)

📍

Updated Business Mailing Address November 13, 2017

Registered at 528 LEDGESTONE DR, BARBOURSVILLE, WV 255041456

👤

Provider Name / Credentials Updated November 13, 2017

Recorded as DEREK RAMSEY, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 13, 2017

Physician Assistant (License #2121 in WV)

🟢

Initial NPI Registration & Enumeration November 13, 2017

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: 1992218911

Entity Type:

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

Enumeration Date: November 13, 2017

Last Update: October 29, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1148 Belle Pond Ave

Knoxville, TN 379322288

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.