Active NPI 1588679252 Individual Practitioner Male Practitioner

Dr. Frederick A Leaf , MD

Dermatology • Seattle, WA

Professional Overview & Biography Verified Profile Summary

Dr. Frederick Leaf, MD is a registered healthcare professional specializing in Dermatology in Seattle, WA. Practice services are available at 904 7TH AVE under active NPI credentials.

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

904 7th Ave

Seattle, WA 981041132

Telephone 2063291760

Associated Practice Facility / Clinic

🏢 Kelley-Ross & Assoc Inc Facility NPI 1669517025

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Seattle, WA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 19.7 Yrs

State Avg: 19.7 Yrs

Regional Practice Density

126 Specialists

Practicing in Seattle, WA (397 Statewide)

Telehealth Adoption Rate

27.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

60.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2022)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	655	122	$28.00	$7.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	307	233	$313.01	$140.62
99213 Established patient office or other outpatient visit, typically 15 minutes	210	169	$212.00	$100.59
17000 Destruction of skin growth	199	165	$219.00	$69.48
17110 Destruction of up to 14 skin growths	60	53	$318.00	$132.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$314.00	$123.72
11102 Tangential biopsy of single skin lesion	52	41	$311.00	$117.89
17004 Destruction of precancer skin growth, 15 or more growths	35	27	$534.00	$195.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	639	131	$28.00	$7.67
99213 Established patient office or other outpatient visit, typically 15 minutes	362	288	$212.00	$101.51
17000 Destruction of skin growth	194	171	$216.28	$72.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	175	133	$313.00	$144.02
11102 Tangential biopsy of single skin lesion	58	49	$311.00	$121.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$314.00	$122.92
17110 Destruction of up to 14 skin growths	45	38	$317.09	$132.51
17004 Destruction of precancer skin growth, 15 or more growths	40	30	$534.00	$192.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$482.00	$185.21
11103 Biopsy of related skin growth, each additional growth	13	11	$167.00	$61.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	171	157	$212.00	$82.95
17003 Destruction of precancer skin growth, 2-14 growths	142	37	$28.00	$6.98
17000 Destruction of skin growth	55	55	$197.00	$71.04
99202 New patient office or other outpatient visit, typically 20 minutes	31	31	$242.00	$84.57
11102 Tangential biopsy of single skin lesion	29	28	$311.00	$113.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	20	$313.00	$121.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	750	544	$212.00	$81.18
17003 Destruction of precancer skin growth, 2-14 growths	716	145	$28.00	$6.28
17000 Destruction of skin growth	237	207	$197.00	$67.84
11102 Tangential biopsy of single skin lesion	102	95	$311.00	$109.46
99202 New patient office or other outpatient visit, typically 20 minutes	90	89	$242.00	$82.20
17004 Destruction of precancer skin growth, 15 or more growths	63	46	$534.00	$170.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	43	$313.00	$119.03
88305 Pathology examination of tissue using a microscope, intermediate complexity	48	31	$264.69	$77.00
17110 Destruction of up to 14 skin growths	43	41	$277.00	$125.43
11103 Biopsy of related skin growth, each additional growth	21	13	$167.00	$60.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$314.00	$118.66
11104 Punch biopsy, first skin growth	15	15	$391.00	$140.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	631	136	$28.00	$5.85
99213 Established patient office or other outpatient visit, typically 15 minutes	571	454	$204.17	$78.90
17000 Destruction of skin growth	197	179	$197.00	$67.33
11100 Biopsy of single growth of skin and/or tissue	137	128	$265.00	$115.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	132	108	$298.71	$116.56
99202 New patient office or other outpatient visit, typically 20 minutes	99	99	$212.55	$81.90
88305 Pathology examination of tissue using a microscope, intermediate complexity	90	73	$252.74	$75.19
17110 Destruction of up to 14 skin growths	50	44	$277.00	$125.63
17004 Destruction of precancer skin growth, 15 or more growths	43	35	$534.00	$159.83
11101 Biopsy of each additional growth of skin and/or tissue	28	22	$87.00	$35.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$298.33	$117.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	725	167	$28.00	$6.15
99213 Established patient office or other outpatient visit, typically 15 minutes	705	526	$195.00	$78.15
17000 Destruction of skin growth	230	210	$197.00	$66.16
11100 Biopsy of single growth of skin and/or tissue	185	170	$265.00	$110.98
99202 New patient office or other outpatient visit, typically 20 minutes	178	178	$206.00	$80.13
88305 Pathology examination of tissue using a microscope, intermediate complexity	107	88	$255.90	$75.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	71	$267.00	$115.24
17004 Destruction of precancer skin growth, 15 or more growths	53	37	$534.00	$164.46
17110 Destruction of up to 14 skin growths	37	37	$277.00	$121.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$267.00	$112.69
11101 Biopsy of each additional growth of skin and/or tissue	30	23	$87.00	$35.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$406.00	$161.49

Medical Specialties & State Licenses

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License WA MD00021885

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

8635203 (WA)

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Wei Shawn Ignatius Ang , DO

Psychiatry & Neurology - Forensic Psychiatry

NPI 1013470079

Doctor of Osteopathic Medicine (D.O.)

Mandy Matta , PA-C

Physician Assistant - Surgical

NPI 1013561943

Physician Assistant (Certified)

Dr. Antonius Mulia , MD

Internal Medicine

NPI 1013985977

Doctor of Medicine (M.D.)

Dr. Kathleen Makielski , MD

Otolaryngology

NPI 1023085248

Doctor of Medicine (M.D.)

Dr. Xiangping Ren , MD

Physical Medicine & Rehabilitation - Pain Medicine

NPI 1023173846

Doctor of Medicine (M.D.)

Dr. Hunter Mckay , MD

Urology

NPI 1033112107

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 April 18, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location April 18, 2012

Registered at 904 7TH AVE, SEATTLE, WA 981041132 (Tel: 2063291760)

📍

Updated Business Mailing Address April 18, 2012

Registered at 904 7TH AVE, SEATTLE, WA 981041132 (Tel: 2063291760)

👤

Provider Name / Credentials Updated April 18, 2012

Recorded as FREDERICK LEAF, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 18, 2012

Dermatology (License #MD00021885 in WA)

🟢

Initial NPI Registration & Enumeration July 30, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Frederick Leaf. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1588679252

Entity Type:

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

Enumeration Date: July 30, 2006

Last Update: April 18, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

904 7th Ave

Seattle, WA 981041132

Phone: 2063291760

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.