Active NPI 1043441264 Individual Practitioner Female Practitioner

Katherine Ann Lem , PA

Physician Assistant • Ames, IA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Katherine Lem, PA is a certified Physician Assistant practicing in Ames, IA. With approximately 17 years of clinical experience since completing medical education in 2009, Katherine Lem delivers high-quality medical care to the local community at 3600 LINCOLN WAY.

Katherine Lem is affiliated with Mcfarland Clinic Pc 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

3600 Lincoln Way

Ames, IA 500147595

Telephone 5152394492

Fax 5156634836

Associated Practice Facility / Clinic

🏢 Ames Counseling And Psychological Services Pc Facility NPI 1124099775

Medicare Profile & Education

Medical School

Other

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Ames, IA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs +2.5 yrs vs City Avg

City Avg: 14.5 Yrs

State Avg: 13.7 Yrs

Regional Practice Density

30 Specialists

Practicing in Ames, IA (1543 Statewide)

Telehealth Adoption Rate

6.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

64.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lem (17 Years) 17 Yrs

Ames Specialty Average (14.5 Years) 14.5 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	848	194	$20.00	$5.17
99213 Established patient office or other outpatient visit, typically 15 minutes	549	460	$136.82	$71.31
17000 Destruction of skin growth	359	287	$141.15	$42.40
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	314	258	$16.00	$13.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	304	248	$202.74	$100.71
11102 Tangential biopsy of single skin lesion	218	193	$248.91	$72.42
17110 Destruction of up to 14 skin growths	90	80	$290.63	$87.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	37	$82.68	$43.61
11103 Biopsy of related skin growth, each additional growth	36	30	$134.00	$38.65
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	32	27	$448.23	$127.10
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	27	27	$739.81	$230.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$281.46	$130.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	941	195	$20.00	$5.36
99213 Established patient office or other outpatient visit, typically 15 minutes	579	476	$133.00	$72.41
17000 Destruction of skin growth	346	279	$134.32	$42.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	270	223	$197.00	$102.14
11102 Tangential biopsy of single skin lesion	236	207	$244.96	$76.25
17110 Destruction of up to 14 skin growths	113	101	$278.69	$88.42
11103 Biopsy of related skin growth, each additional growth	53	45	$134.00	$40.12
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	39	31	$415.54	$131.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	26	$81.00	$45.13
11900 Injection into skin growth, 1-7 growths	24	11	$126.00	$38.83
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	21	21	$776.00	$242.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$186.00	$88.01
17004 Destruction of precancer skin growth, 15 or more growths	18	18	$435.00	$134.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$287.00	$133.35
11104 Punch biopsy, first skin growth	15	14	$327.00	$100.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	857	200	$20.00	$5.47
99213 Established patient office or other outpatient visit, typically 15 minutes	598	464	$129.00	$73.23
17000 Destruction of skin growth	363	305	$133.96	$44.04
11102 Tangential biopsy of single skin lesion	206	175	$229.67	$74.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	193	167	$191.00	$103.09
17110 Destruction of up to 14 skin growths	132	116	$274.95	$90.23
11103 Biopsy of related skin growth, each additional growth	60	39	$134.00	$41.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	43	42	$78.00	$45.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$190.00	$89.92
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	31	21	$410.15	$122.95
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	21	21	$645.43	$221.72
17004 Destruction of precancer skin growth, 15 or more growths	20	17	$422.00	$135.65
36415 Insertion of needle into vein for collection of blood sample	13	11	$9.50	$2.84
17111 Destruction of skin growth, 15 or more growths	11	11	$327.00	$106.50
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$293.00	$134.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,028	199	$20.00	$5.22
99213 Established patient office or other outpatient visit, typically 15 minutes	520	412	$126.00	$73.44
17000 Destruction of skin growth	354	278	$135.37	$41.24
11102 Tangential biopsy of single skin lesion	223	198	$226.87	$76.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	187	151	$187.00	$103.99
17110 Destruction of up to 14 skin growths	138	123	$270.02	$90.32
11103 Biopsy of related skin growth, each additional growth	62	52	$134.00	$42.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$186.00	$89.96
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	34	$75.61	$44.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$287.00	$134.89
17004 Destruction of precancer skin growth, 15 or more growths	24	19	$414.00	$132.39
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	22	15	$413.39	$113.79
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	20	18	$701.10	$228.44
11104 Punch biopsy, first skin growth	13	13	$311.00	$97.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	387	97	$19.99	$4.83
99213 Established patient office or other outpatient visit, typically 15 minutes	187	181	$131.34	$59.59
17000 Destruction of skin growth	133	127	$134.62	$38.00
11102 Tangential biopsy of single skin lesion	128	126	$211.53	$71.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	87	$183.84	$87.79
17110 Destruction of up to 14 skin growths	67	67	$261.69	$87.64
11103 Biopsy of related skin growth, each additional growth	50	38	$129.96	$42.31
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$188.28	$86.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	22	$89.38	$36.14
17004 Destruction of precancer skin growth, 15 or more growths	19	19	$407.51	$126.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	180	36	$14.51	$4.35
99213 Established patient office or other outpatient visit, typically 15 minutes	67	53	$167.93	$59.02
17000 Destruction of skin growth	57	46	$151.76	$38.23
11102 Tangential biopsy of single skin lesion	32	29	$230.39	$70.05
17110 Destruction of up to 14 skin growths	31	28	$255.03	$82.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	29	$102.17	$35.57
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$171.00	$60.41
11103 Biopsy of related skin growth, each additional growth	16	12	$124.38	$41.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	806	163	$25.27	$3.98
99213 Established patient office or other outpatient visit, typically 15 minutes	302	262	$136.19	$56.96
17000 Destruction of skin growth	245	212	$193.41	$38.45
11100 Biopsy of single growth of skin and/or tissue	124	112	$253.47	$71.78
17110 Destruction of up to 14 skin growths	90	85	$264.02	$82.73
99202 New patient office or other outpatient visit, typically 20 minutes	70	70	$142.39	$58.36
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	65	64	$82.88	$34.07
11101 Biopsy of each additional growth of skin and/or tissue	52	33	$82.50	$25.06
17004 Destruction of precancer skin growth, 15 or more growths	31	28	$433.45	$111.17
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	20	12	$28.58	$1.82
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	15	12	$426.80	$121.26
99201 New patient office or other outpatient visit, typically 10 minutes	14	14	$83.25	$34.68
17111 Destruction of skin growth, 15 or more growths	11	11	$305.80	$97.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,266	230	$25.30	$4.24
17000 Destruction of skin growth	382	311	$198.00	$39.45
99213 Established patient office or other outpatient visit, typically 15 minutes	356	291	$135.30	$56.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	249	215	$82.50	$33.63
11100 Biopsy of single growth of skin and/or tissue	228	205	$254.10	$71.39
17110 Destruction of up to 14 skin growths	142	123	$270.60	$82.86
99201 New patient office or other outpatient visit, typically 10 minutes	93	93	$82.50	$33.77
11101 Biopsy of each additional growth of skin and/or tissue	78	53	$82.50	$25.13
17004 Destruction of precancer skin growth, 15 or more growths	57	50	$426.80	$114.93
99202 New patient office or other outpatient visit, typically 20 minutes	55	55	$140.80	$57.69
17111 Destruction of skin growth, 15 or more growths	24	23	$322.30	$98.26
17261 Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm	19	19	$353.10	$97.55
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm	16	14	$426.80	$116.72
17282 Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm	15	15	$506.00	$156.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$202.40	$83.54
69100 Biopsy of ear	14	14	$207.90	$60.38
17281 Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth	13	13	$442.20	$120.08

Medical Specialties & State Licenses

CMS Verified: 2025-09-11

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

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.

Physician Assistant - Medical

NUCC Taxonomy Code: 363AM0700X

Definition to come...

Hospital & Practice Group Affiliations

Mcfarland Clinic Pc

1215 Duff Ave, Ames, IA 500105400

Phone: 5152394400

Mcfarland Clinic Pc

3500 University Blvd, Ames, IA 500103014

Phone: 5152393040

Practice Associates & Co-Workers

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

8 Associated Practitioners

Dr. Stuart Kolner , MD

Dermatology

NPI 1023008810

Doctor of Medicine (M.D.)

Dr. Timothy Hansen , MD

Dermatology - MOHS-Micrographic Surgery

NPI 1518109123

Doctor of Medicine (M.D.)

Dr. Shannon Buck , DO

Dermatology - MOHS-Micrographic Surgery

NPI 1578895744

Doctor of Osteopathic Medicine (D.O.)

Amy Hawthorne , PA-C

Physician Assistant

NPI 1811986052

Physician Assistant (Certified)

Dr. Daniel Macalpine , MD

Dermatology

NPI 1841280336

Doctor of Medicine (M.D.)

Meagen Anderson , PA-C

Physician Assistant

NPI 1881063006

Physician Assistant (Certified)

Career & Practice History Timeline

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

13 Historical Events

👤

Provider Name / Credentials Updated September 11, 2025

Recorded as KATHERINE LEM, P.A.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2025

Physician Assistant

📍

Updated Practice Location December 10, 2020

Registered at 3600 LINCOLN WAY, AMES, IA 500147595 (Tel: 5152394492)

📍

Updated Business Mailing Address December 10, 2020

Registered at 1215 DUFF AVE, AMES, IA 500105469 (Tel: 5152394492)

📍

Updated Practice Location March 26, 2019

Registered at 6000 UNIVERSITY AVE STE 350, WEST DES MOINES, IA 502668294 (Tel: 1522684845)

📍

Updated Business Mailing Address March 26, 2019

Registered at 6000 UNIVERSITY AVE STE 350, WEST DES MOINES, IA 502668294 (Tel: 5152268484)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 26, 2019

Physician Assistant

✅

NPI Profile Active February 18, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location February 18, 2015

Registered at 22 N 27TH ST, FORT DODGE, IA 505014331 (Tel: 5159554440)

📍

Updated Business Mailing Address February 18, 2015

Registered at 22 N 27TH ST, FORT DODGE, IA 505014331 (Tel: 5159554440)

👤

Provider Name / Credentials Updated February 18, 2015

Recorded as KATHERINE BLOMGREN, P.A.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 18, 2015

Physician Assistant

🟢

Initial NPI Registration & Enumeration August 05, 2009

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: 1043441264

Entity Type:

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

Enumeration Date: August 05, 2009

Last Update: September 11, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1215 Duff Ave

Ames, IA 500105469

Phone: 5152394492

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.