Active NPI 1538167911 Individual Practitioner Female Practitioner

Dr. Ruth A Larson , MD

Specialist • Poway, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ruth Larson, MD is a certified Specialist practicing in Poway, CA. With approximately 49 years of clinical experience since graduating from Oregon Health Sciences University School Of Medicine in 1977, Dr. Larson delivers high-quality medical care to the local community at 15525 POMERADO RD.

Dr. Larson is affiliated with Bernardo Dermatology Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include destruction of precancer skin growth, 2-14 growths, established patient outpatient office visit, removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

15525 Pomerado Rd
Suite A2

Poway, CA 920642435

Telephone 8584513311

Fax 8584511142

Associated Practice Facility / Clinic

🏢 Poway Surgery Center Facility NPI 1194770727

Medicare Profile & Education

Medical School

Oregon Health Sciences University School Of Medicine

Graduation Year

1977

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Poway, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

49 Yrs +12.3 yrs vs City Avg

City Avg: 36.7 Yrs

State Avg: 38.0 Yrs

Regional Practice Density

18 Specialists

Practicing in Poway, CA (6446 Statewide)

Telehealth Adoption Rate

11.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

31.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Larson (49 Years) 49 Yrs

Poway Specialty Average (36.7 Years) 36.7 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	353	67	$15.00	$7.55
99213 Established patient office or other outpatient visit, typically 15 minutes	163	121	$120.00	$97.22
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	124	103	$970.00	$665.31
17000 Destruction of skin growth	120	91	$105.00	$57.58
11102 Tangential biopsy of single skin lesion	106	74	$135.00	$108.31
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	90	61	$590.00	$456.54
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	52	44	$749.81	$255.62
17004 Destruction of precancer skin growth, 15 or more growths	44	27	$240.00	$185.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	37	$80.00	$61.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	37	$160.98	$136.69
11103 Biopsy of related skin growth, each additional growth	33	21	$70.00	$55.80
17110 Destruction of up to 14 skin growths	15	15	$140.00	$128.24
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	12	12	$1023.00	$821.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	391	75	$15.00	$7.80
99213 Established patient office or other outpatient visit, typically 15 minutes	201	138	$120.00	$98.69
17000 Destruction of skin growth	139	101	$105.00	$63.52
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	127	95	$970.00	$677.75
11102 Tangential biopsy of single skin lesion	115	92	$135.00	$115.67
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	70	46	$590.00	$469.88
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	55	44	$755.00	$265.70
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	46	$80.00	$62.47
17004 Destruction of precancer skin growth, 15 or more growths	38	28	$240.00	$192.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	23	$160.00	$139.19
11103 Biopsy of related skin growth, each additional growth	18	14	$70.00	$57.66
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	16	16	$225.00	$196.22
13152 Complicated repair of wound of eyelids, nose, ears, or lip, 2.6-7.5 cm	12	11	$840.00	$278.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$140.00	$121.77
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	12	11	$1023.00	$843.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	324	76	$15.00	$7.79
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	168	142	$970.00	$667.57
99213 Established patient office or other outpatient visit, typically 15 minutes	164	114	$119.63	$98.38
17000 Destruction of skin growth	128	100	$105.00	$64.39
11102 Tangential biopsy of single skin lesion	113	86	$135.00	$111.67
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	104	75	$590.00	$463.40
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	81	73	$755.00	$265.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	48	$160.75	$138.96
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	35	$80.00	$61.85
17004 Destruction of precancer skin growth, 15 or more growths	31	23	$240.00	$191.48
11103 Biopsy of related skin growth, each additional growth	22	19	$70.00	$58.07
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	21	20	$1023.00	$835.81
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	16	15	$225.00	$201.09
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	14	14	$1280.00	$839.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$140.00	$121.03
13121 Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs	13	12	$580.00	$240.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	394	83	$15.00	$7.44
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	160	137	$970.00	$654.04
17000 Destruction of skin growth	152	109	$105.00	$60.48
99213 Established patient office or other outpatient visit, typically 15 minutes	141	121	$119.79	$98.98
11102 Tangential biopsy of single skin lesion	136	105	$135.00	$114.12
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	80	61	$590.00	$456.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	73	64	$76.71	$61.26
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	65	62	$755.00	$267.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	44	$160.00	$140.27
17004 Destruction of precancer skin growth, 15 or more growths	36	26	$240.00	$186.11
11103 Biopsy of related skin growth, each additional growth	34	26	$70.00	$59.73
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	20	15	$225.00	$174.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$200.00	$180.34
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	18	18	$1023.00	$793.47
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	18	18	$1280.00	$839.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	255	57	$15.00	$6.76
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	192	155	$970.00	$617.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	122	91	$60.00	$49.48
11102 Tangential biopsy of single skin lesion	106	84	$135.00	$107.03
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	98	68	$583.98	$441.17
99213 Established patient office or other outpatient visit, typically 15 minutes	93	75	$90.00	$81.01
17000 Destruction of skin growth	91	74	$105.00	$58.16
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	79	73	$755.00	$259.40
11103 Biopsy of related skin growth, each additional growth	32	26	$70.00	$59.14
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	31	29	$1023.00	$826.86
17004 Destruction of precancer skin growth, 15 or more growths	31	24	$240.00	$174.93
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	12	12	$1280.00	$838.00
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	12	11	$405.00	$307.80
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$95.00	$82.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	348	76	$15.00	$6.01
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	175	150	$958.91	$547.86
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	166	114	$60.00	$48.05
17000 Destruction of skin growth	146	105	$105.00	$58.12
11102 Tangential biopsy of single skin lesion	111	88	$135.00	$105.72
99213 Established patient office or other outpatient visit, typically 15 minutes	107	93	$90.00	$78.49
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	98	79	$590.00	$425.73
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	52	50	$1023.00	$806.75
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	52	50	$755.00	$255.84
11103 Biopsy of related skin growth, each additional growth	27	19	$70.00	$57.62
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$95.00	$80.74
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	23	23	$1280.00	$819.55
17004 Destruction of precancer skin growth, 15 or more growths	20	16	$240.00	$162.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	325	77	$15.00	$5.39
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	192	164	$970.00	$526.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	161	122	$59.63	$44.72
17000 Destruction of skin growth	142	107	$105.00	$57.36
99213 Established patient office or other outpatient visit, typically 15 minutes	117	106	$90.00	$74.27
11100 Biopsy of single growth of skin and/or tissue	107	93	$135.00	$107.93
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	98	73	$590.00	$400.91
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	63	59	$755.00	$247.51
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	57	52	$1023.00	$774.38
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	19	19	$1280.00	$788.12
11101 Biopsy of each additional growth of skin and/or tissue	17	15	$70.00	$32.98
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	11	11	$225.00	$180.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	373	90	$15.00	$5.62
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks	214	174	$970.00	$519.32
99213 Established patient office or other outpatient visit, typically 15 minutes	177	150	$90.00	$73.77
17000 Destruction of skin growth	159	125	$105.28	$58.62
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	156	124	$59.23	$43.72
11100 Biopsy of single growth of skin and/or tissue	144	117	$135.00	$102.97
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks	113	86	$590.00	$396.03
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm	73	65	$755.00	$241.25
14040 Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.0 sq cm or less	43	42	$1023.00	$759.76
17004 Destruction of precancer skin growth, 15 or more growths	36	21	$240.00	$152.78
11101 Biopsy of each additional growth of skin and/or tissue	31	27	$70.00	$32.78
14060 Repair of wound of eyelids, nose, ears, or lips by transferring skin, 10.0 sq cm or less	27	27	$1280.00	$782.13
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	19	18	$225.00	$172.84
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$95.00	$75.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$140.00	$108.39

Medical Specialties & State Licenses

CMS Verified: 2020-11-19

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License CA G41388

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Dermatology - MOHS-Micrographic Surgery

NUCC Taxonomy Code: 207ND0101X

State License CA G41388

The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00G413880 (CA)

Hospital & Practice Group Affiliations

Bernardo Dermatology Medical Group Inc

15525 Pomerado Rd, Poway, CA 920642425

Phone: 8584513311

Practice Associates & Co-Workers

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

7 Associated Practitioners

Leah Brown , NP

Nurse Practitioner

NPI 1215166202

Nurse Practitioner

Dr. Francis Barber , MD

Specialist

NPI 1518965011

Doctor of Medicine (M.D.)

Dr. Ashley Rubin , MD

Specialist

NPI 1538459870

Doctor of Medicine (M.D.)

Dr. Elizabeth Vierra , MD

Specialist

NPI 1669470167

Doctor of Medicine (M.D.)

Dr. Mark Vierra , MD

Specialist

NPI 1730187121

Doctor of Medicine (M.D.)

Dr. Lynn Shipman , MD

Specialist

NPI 1770582306

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active December 03, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location December 03, 2007

Registered at 15525 POMERADO RD, SUITE A2, POWAY, CA 920642435 (Tel: 8584513311)

📍

Updated Business Mailing Address December 03, 2007

Registered at 15525 POMERADO RD, SUITE A2, POWAY, CA 920642435 (Tel: 8584513311)

👤

Provider Name / Credentials Updated December 03, 2007

Recorded as RUTH LARSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 03, 2007

Specialist (License #G41388 in CA)

🟢

Initial NPI Registration & Enumeration July 11, 2005

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: 1538167911

Entity Type:

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

Enumeration Date: July 11, 2005

Last Update: November 19, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

15525 Pomerado Rd, Suite A2

Poway, CA 920642435

Phone: 8584513311

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.