Active NPI 1255357489 Individual Practitioner Male Practitioner

Dr. Gregory J Zipfel , MD

Neurological Surgery • Saint Louis, MO

✓ Accepts Medicare Assignment Telehealth Available

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Zipfel, MD is a registered Neurological Surgery practitioner in Saint Louis, MO. With approximately 31 years of clinical practice since graduating from Northwestern University Feinberg Medical School in 1995, Dr. Zipfel provides healthcare services at the registered practice location at 4500 FOREST PARK AVE.

Dr. Zipfel maintains professional affiliations with Health Facilities Rehab Services Inc, Washington University and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4500 Forest Park Ave
Dept Neurological Surgery, Ste 1b

Saint Louis, MO 631082114

Telephone 3143623577

Fax 3143622107

Associated Practice Facility / Clinic

🏢 Barnes Jewish Hospital Facility NPI 1245081058

Medicare Profile & Education

Medical School

Northwestern University Feinberg Medical School

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Saint Louis, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs +10.7 yrs vs City Avg

City Avg: 20.3 Yrs

State Avg: 24.5 Yrs

Regional Practice Density

93 Specialists

Practicing in Saint Louis, MO (204 Statewide)

Telehealth Adoption Rate

28.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

68.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Zipfel (31 Years) 31 Yrs

Saint Louis Specialty Average (20.3 Years) 20.3 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	53	46	$120.00	$53.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$521.75	$157.35
99441 Telephone medical discussion with physician, 5-10 minutes	23	22	$65.00	$33.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$484.17	$128.09

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	51	51	$501.76	$164.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	48	46	$107.81	$55.79
99441 Telephone medical discussion with physician, 5-10 minutes	17	17	$56.00	$34.53
99213 Established patient office or other outpatient visit, typically 15 minutes	15	14	$153.40	$84.68
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$500.00	$171.94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$369.55	$129.01
61800 Computer-assisted radiosurgery application of headframe	11	11	$901.82	$149.97

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	48	48	$511.25	$166.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	35	$105.00	$56.08
99441 Telephone medical discussion with physician, 5-10 minutes	24	23	$48.00	$46.64
99213 Established patient office or other outpatient visit, typically 15 minutes	17	16	$149.00	$91.10

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	93	93	$504.19	$167.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	56	53	$105.00	$56.13
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$149.00	$92.03
99441 Telephone medical discussion with physician, 5-10 minutes	12	11	$48.00	$48.53
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$355.00	$135.85

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	71	71	$476.69	$165.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	30	$105.00	$45.77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	29	28	$343.79	$140.04
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$147.67	$75.58
99441 Telephone medical discussion with physician, 5-10 minutes	14	14	$41.71	$39.57
61781 Computer-assisted procedure inside brain	11	11	$1065.00	$243.79

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	66	66	$401.36	$163.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	44	42	$105.00	$44.29
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$145.00	$73.72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	20	$195.00	$73.04
99221 Initial hospital inpatient care per day, typically 30 minutes	19	19	$215.00	$102.06

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	75	75	$454.13	$162.28
99213 Established patient office or other outpatient visit, typically 15 minutes	54	52	$130.00	$70.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	36	36	$185.00	$72.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	29	$91.71	$42.95
99221 Initial hospital inpatient care per day, typically 30 minutes	25	25	$185.00	$100.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	71	63	$119.01	$70.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$412.33	$156.68
99221 Initial hospital inpatient care per day, typically 30 minutes	33	33	$172.73	$100.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	29	$190.52	$105.13
69990 Use of operating microscope	11	11	$1240.91	$226.50

Medical Specialties & State Licenses

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License MO 2004012272

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

207795204 (MO)

Hospital & Practice Group Affiliations

Washington University

4921 Parkview Pl, Saint Louis, MO 631101032

Phone: 3143623570

Washington University

100 Entrance Way, Saint Peters, MO 633761645

Phone: 3639167140

Health Facilities Rehab Services Inc

1102 Sikes Ave, Sikeston, MO 638015021

Practice Associates & Co-Workers

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

40 Associated Practitioners

Jennifer Jacobi , PNP

Nurse Practitioner - Pediatrics

NPI 1003383324

Pediatric Nurse Practitioner

Dr. Ralph Dacey , MD

Neurological Surgery

NPI 1003833567

Doctor of Medicine (M.D.)

Stephen Simpson , PA

Physician Assistant

NPI 1083375190

Physician Assistant

Dr. Brenton Pennicooke , MD

Neurological Surgery

NPI 1093093064

Doctor of Medicine (M.D.)

Dr. Timothy Woodiwiss , MD

Neurological Surgery

NPI 1093376634

Doctor of Medicine (M.D.)

Kayla Jarrett , PA

Physician Assistant

NPI 1114763158

Physician Assistant

Career & Practice History Timeline

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

16 Historical Events

📍

Updated Business Mailing Address April 17, 2025

Registered at PO BOX 7412011, CHICAGO, IL 606742011 (Tel: 3143623577)

📍

Updated Practice Location October 01, 2024

Registered at 4500 FOREST PARK AVE, DEPT NEUROLOGICAL SURGERY, STE 1B, SAINT LOUIS, MO 631082114 (Tel: 3143623577)

📍

Updated Business Mailing Address April 25, 2024

Registered at PO BOX 60352, SAINT LOUIS, MO 631600352 (Tel: 3143623577)

📍

Updated Practice Location November 15, 2021

Registered at 4921 PARKVIEW PL, DEPT NEUROLOGICAL SURGERY, STE 6B/6C, SAINT LOUIS, MO 631101032 (Tel: 3143623577)

📍

Updated Business Mailing Address November 15, 2021

Registered at 660 S EUCLID AVE, CB 8057, SAINT LOUIS, MO 631101010 (Tel: 3143623577)

✅

NPI Profile Active January 29, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 29, 2018

Registered at 4921 PARKVIEW PL STE 6C, STE 6C, SAINT LOUIS, MO 631101032 (Tel: 3147478871)

📍

Updated Business Mailing Address January 29, 2018

Registered at 660 S EUCLID AVE, C B 8057, SAINT LOUIS, MO 631101010 (Tel: 3147478871)

👤

Provider Name / Credentials Updated January 29, 2018

Recorded as GREGORY ZIPFEL, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 29, 2018

Neurological Surgery (License #2004012272 in MO)

✅

NPI Profile Active November 14, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location November 14, 2016

Registered at 4921 PARKVIEW PL, STE 6C, SAINT LOUIS, MO 631101032 (Tel: 3147478871)

📍

Updated Business Mailing Address November 14, 2016

Registered at 660 S EUCLID AVE, C B 8057, SAINT LOUIS, MO 631101010 (Tel: 3147478871)

👤

Provider Name / Credentials Updated November 14, 2016

Recorded as GREGORY ZIPFEL, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 14, 2016

Neurological Surgery (License #2004012272 in MO)

🟢

Initial NPI Registration & Enumeration July 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1255357489

Entity Type:

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

Enumeration Date: July 14, 2006

Last Update: April 17, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 7412011

Chicago, IL 606742011

Phone: 3143623577

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.