Active NPI 1942406038 Individual Practitioner Male Practitioner

Dr. Gregory P Sachs , MD

Surgery • Ames, IA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Sachs, MD is a certified Surgery practicing in Ames, IA. With approximately 19 years of clinical experience since graduating from University Of Kansas School Of Med (Kc/Wich/Sal) in 2007, Dr. Sachs delivers high-quality medical care to the local community at 1215 DUFF AVE.

Dr. Sachs is affiliated with Mcfarland Clinic Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of skin and tissue, 20.0 sq cm or less, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1215 Duff Ave

Ames, IA 500105400

Telephone 5152394427

Fax 5159564130

Associated Practice Facility / Clinic

🏢 Hy-Vee Inc Facility NPI 1902848229

Medicare Profile & Education

Medical School

University Of Kansas School Of Med (Kc/wich/sal)

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Ames, IA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

19 Yrs +5.5 yrs vs City Avg

City Avg: 13.5 Yrs

State Avg: 26.0 Yrs

Regional Practice Density

7 Specialists

Practicing in Ames, IA (452 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Sachs (19 Years) 19 Yrs

Ames Specialty Average (13.5 Years) 13.5 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
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	208	31	$82.99	$32.41
11042 Removal of skin and tissue, 20.0 sq cm or less	96	20	$307.46	$53.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	70	69	$233.36	$119.76
99231 Follow-up hospital inpatient care per day, typically 15 minutes	61	33	$78.97	$44.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$281.14	$153.82
47562 Removal of gallbladder using an endoscope	27	27	$1915.00	$583.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$203.00	$118.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	16	$82.89	$47.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$182.27	$102.35
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$126.40	$62.47
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$126.21	$43.47
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	13	13	$47.00	$16.33
49650 Repair of groin hernia using an endoscope	13	13	$1347.69	$418.95
76937 Ultrasonic guidance for blood vessel access	12	12	$35.00	$12.66
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	11	11	$1302.00	$294.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	168	34	$81.00	$33.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$287.00	$152.55
99231 Follow-up hospital inpatient care per day, typically 15 minutes	63	33	$70.43	$46.90
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	44	$238.00	$123.45
11042 Removal of skin and tissue, 20.0 sq cm or less	41	17	$290.12	$53.16
47562 Removal of gallbladder using an endoscope	32	32	$1750.43	$548.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	26	$81.00	$53.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$186.00	$102.00
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$129.00	$68.01
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	16	$1226.82	$296.94
49650 Repair of groin hernia using an endoscope	15	15	$1401.60	$475.67
99221 Initial hospital inpatient care per day, typically 30 minutes	15	15	$176.00	$72.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$197.00	$120.79
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	14	14	$45.00	$16.91
36590 Removal of peripheral venous catheter for infusion	12	12	$784.00	$206.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	228	42	$78.00	$34.50
99231 Follow-up hospital inpatient care per day, typically 15 minutes	64	33	$68.00	$36.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$293.00	$158.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$190.00	$105.89
11042 Removal of skin and tissue, 20.0 sq cm or less	37	17	$292.00	$55.86
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	32	32	$43.75	$17.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	32	$243.00	$124.22
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	30	30	$1186.10	$302.06
47562 Removal of gallbladder using an endoscope	29	29	$1881.98	$592.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	22	$78.00	$53.44
49650 Repair of groin hernia using an endoscope	24	24	$1253.17	$443.99
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$132.00	$68.87
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$132.00	$46.50
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$129.00	$86.37
99221 Initial hospital inpatient care per day, typically 30 minutes	15	15	$180.00	$94.61
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	13	13	$640.87	$243.15
38792 Injection of radioactive material for x-ray identification of lymph node	12	12	$111.52	$16.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	262	42	$75.52	$34.36
99183 Management and supervision of oxygen chamber therapy per session	159	13	$324.00	$103.42
99231 Follow-up hospital inpatient care per day, typically 15 minutes	61	30	$67.00	$35.81
11042 Removal of skin and tissue, 20.0 sq cm or less	50	19	$287.10	$55.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	43	42	$238.00	$129.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$186.00	$107.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$287.00	$160.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	21	$75.45	$53.58
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$129.00	$43.00
47562 Removal of gallbladder using an endoscope	19	19	$1864.61	$599.08
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$176.00	$93.44
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	17	17	$42.00	$17.87
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	16	$1203.00	$316.17
99213 Established patient office or other outpatient visit, typically 15 minutes	16	14	$126.00	$87.39
49650 Repair of groin hernia using an endoscope	16	16	$1168.00	$404.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	98	23	$74.00	$23.84
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	52	52	$182.00	$100.67
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	26	$66.00	$38.18
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	41	39	$233.00	$133.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	23	$74.00	$43.09
47562 Removal of gallbladder using an endoscope	18	18	$1915.00	$624.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$183.00	$104.18
99221 Initial hospital inpatient care per day, typically 30 minutes	17	16	$173.00	$98.43
99213 Established patient office or other outpatient visit, typically 15 minutes	16	16	$124.00	$71.62
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$126.00	$72.36
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	16	16	$47.00	$18.27
36415 Insertion of needle into vein for collection of blood sample	14	11	$10.00	$2.98
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	13	13	$1133.65	$312.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	72	30	$73.00	$24.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$180.00	$101.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	21	$64.00	$37.73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	29	29	$226.00	$126.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	25	$179.00	$103.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	19	$73.00	$42.37
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	21	21	$1117.74	$313.34
99221 Initial hospital inpatient care per day, typically 30 minutes	21	20	$168.00	$96.49
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	20	20	$47.20	$18.05
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$125.00	$48.40
47562 Removal of gallbladder using an endoscope	18	18	$1915.00	$614.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$274.00	$155.65
99213 Established patient office or other outpatient visit, typically 15 minutes	13	11	$122.00	$70.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	58	19	$73.00	$24.04
99231 Follow-up hospital inpatient care per day, typically 15 minutes	46	22	$64.00	$36.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$263.50	$153.96
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$238.00	$125.30
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	23	23	$49.00	$17.76
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	21	21	$1059.05	$302.06
99213 Established patient office or other outpatient visit, typically 15 minutes	20	16	$113.00	$68.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$73.00	$40.77
99221 Initial hospital inpatient care per day, typically 30 minutes	19	19	$177.00	$95.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$177.00	$100.31
47562 Removal of gallbladder using an endoscope	15	15	$1797.03	$563.95
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$118.14	$69.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$170.00	$95.09
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$118.33	$47.64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	11	$354.00	$192.17
44970 Removal of appendix using an endoscope	11	11	$1643.00	$552.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$262.00	$152.47
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	34	34	$48.00	$18.05
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	32	32	$1080.00	$311.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	16	$73.00	$23.97
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	21	$73.00	$40.29
99231 Follow-up hospital inpatient care per day, typically 15 minutes	26	14	$64.00	$37.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$354.00	$191.33
47562 Removal of gallbladder using an endoscope	17	17	$1804.32	$586.08
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$117.00	$69.25
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	16	11	$34.00	$8.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$177.00	$100.22

Medical Specialties & State Licenses

CMS Verified: 2026-02-02

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IA 38823

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

200879320A (KS)

Commercial Insurance / Payer ID Medicare

003719165

Commercial Insurance / Payer ID Ks Medicaid, St Teresa Location

200879320C (KS)

Hospital & Practice Group Affiliations

Mcfarland Clinic Pc

1215 Duff Ave, Ames, IA 500105400

Phone: 5152394400

Practice Associates & Co-Workers

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

8 Associated Practitioners

Dr. Benjamin Schlicher , MD

Surgery

NPI 1114186160

Doctor of Medicine (M.D.)

Dr. Justin Davis , MD

Surgery

NPI 1205327525

Doctor of Medicine (M.D.)

Dr. Charles Gilarski , DPM

Podiatrist

NPI 1508854530

Doctor of Podiatric Medicine

Dr. Mark Taylor , MD

Surgery

NPI 1669453924

Doctor of Medicine (M.D.)

Dr. Mark Vandenberg , MD

Surgery

NPI 1669454807

Doctor of Medicine (M.D.)

Moira Keech

Physician Assistant

NPI 1740813385

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location February 02, 2026

Registered at 1215 DUFF AVE, AMES, IA 500105400 (Tel: 5152394427)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2024

Surgery (License #38823 in IA)

✅

NPI Profile Active October 08, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location October 08, 2015

Registered at 1215 DUFF AVENUE, AMES, IA 500103014 (Tel: 5152394725)

📍

Updated Business Mailing Address October 08, 2015

Registered at 1215 DUFF AVENUE, AMES, IA 500103014 (Tel: 5152394725)

👤

Provider Name / Credentials Updated October 08, 2015

Recorded as GREGORY SACHS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 08, 2015

Surgery (License #04-35654 in KS)

🟢

Initial NPI Registration & Enumeration June 25, 2007

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: 1942406038

Entity Type:

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

Enumeration Date: June 25, 2007

Last Update: February 02, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1215 Duff Avenue

Ames, IA 500103014

Phone: 5152394725

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.