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Active NPI 1790778587 Individual Practitioner Male Practitioner

Dr. Mark Dean Snyder , MD

Anesthesiology • Hannibal, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Snyder, MD is a certified Anesthesiology practicing in Hannibal, MO. With approximately 41 years of clinical experience since graduating from University Of Kansas School Of Med (Kc/Wich/Sal) in 1985, Dr. Snyder delivers high-quality medical care to the local community at 6000 HOSPITAL DR.

Dr. Snyder maintains professional affiliations with Midwest Anesthesia Providers Sc, Missouri Hb Medical Services Llc, North American Partners In Anesthesia Connecticut Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure in upper abdomen including use of an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6000 Hospital Dr

Hannibal, MO 634016887

Telephone 5732485115
Fax 5732485196
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

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

Graduation Year

1985

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Hannibal, MO

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
41 Yrs +18.0 yrs vs City Avg
City Avg: 23.0 Yrs
State Avg: 22.5 Yrs
Regional Practice Density
8 Specialists

Practicing in Hannibal, MO (1191 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
84.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Snyder (41 Years) 41 Yrs
Hannibal Specialty Average (23.0 Years) 23.0 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
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)
14 14 $419.21 $60.30
00811 Anesthesia for procedure on large bowel using an endoscope
14 14 $1277.28 $116.39
00790 Anesthesia for procedure in upper abdomen including use of an endoscope
14 14 $2069.53 $303.41
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
14 14 $730.23 $129.73
00142 Anesthesia for lens surgery
12 12 $801.85 $75.82
01402 Anesthesia for procedure for total knee joint replacement
12 12 $1639.10 $372.50

Medical Specialties & State Licenses

CMS Verified: 2026-06-26
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CT 66415

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License KS 04-22743

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License MO 2006001821

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License WI 51782

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology - Pain Medicine

NUCC Taxonomy Code: 207LP2900X

State License MO 2006001821

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
35345000 (WI)
Medicaid State Provider ID
208986505 (MO)
Medicaid State Provider ID
008097491 (CT)
Medicaid State Provider ID
100122940B (KS)

Hospital & Practice Group Affiliations

Hannibal Regional Healthcare System Inc

Po Box, Hannibal, MO 634011257

Phone: 5732485460

Midwest Anesthesia Providers Sc

1101 W Liberty St, Farmington, MO 636401921

Phone: 5737566451

Missouri Hb Medical Services Llc

3100 Oak Grove Rd, Poplar Bluff, MO 639011573

Phone: 5737769290

North American Partners In Anesthesia Connecticut Pc

320 Pomfret St, Putnam, CT 062601836

Phone: 8609286541

Missouri Hb Medical Services Llc

315 S Osteopathy Ave, Kirksville, MO 635016401

Phone: 6607851000

Secondary Practice Locations

320 Pomfret St

Putnam, CT 062601836

Phone: 8609286541

5325 Faraon St

Saint Joseph, MO 645063488

Phone: 8162716350

Practice Associates & Co-Workers

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

10 Associated Practitioners
Jessica Mickels , RNFA

Nurse Practitioner - Adult Health

NPI 1164066023
Janell Martin , CRNA

Nurse Anesthetist, Certified Registered

NPI 1194910042

Certified Registered Nurse Anesthetist

Kimberly Mcclelland , RN, MSN, RNFA

Registered Nurse - Registered Nurse First Assistant

NPI 1306553748

Registered Nurse, Master of Science in Nursing, RNFA

Joshua Sherman , BSN, RNFA

Registered Nurse - Registered Nurse First Assistant

NPI 1487384558

Bachelor of Science in Nursing, RNFA

NPI 1497063705

Doctor of Medicine (M.D.)

Keegan Harvey , RNFA

Registered Nurse - Registered Nurse First Assistant

NPI 1548808454

Career & Practice History Timeline

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

18 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 26, 2026

Anesthesiology (License #04-22743 in KS)

📍
Updated Practice Location March 17, 2025

Registered at 6000 HOSPITAL DR, HANNIBAL, MO 634016887 (Tel: 5732485115)

📍
Updated Business Mailing Address March 17, 2025

Registered at 120 TERRACE LN, HANNIBAL, MO 634012768

📍
Updated Practice Location August 08, 2023

Registered at 2845 GREENBRIER RD, GREEN BAY, WI 543116519 (Tel: 8772290273)

📍
Updated Business Mailing Address August 08, 2023

Registered at 1035 KEPLER DR, GREEN BAY, WI 543118320 (Tel: 9204909046)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 08, 2023

Anesthesiology (License #66415 in CT)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 04, 2021

Anesthesiology (License #04-22743 in KS)

NPI Profile Active March 06, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location March 06, 2017

Registered at 6000 HOSPITAL DR, HANNIBAL, MO 634016887 (Tel: 5732485115)

📍
Updated Business Mailing Address March 06, 2017

Registered at PO BOX 551, 6000 HOSPITAL DRIVE, HANNIBAL, MO 634010551 (Tel: 5732485115)

👤
Provider Name / Credentials Updated March 06, 2017

Recorded as MARK SNYDER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 06, 2017

Anesthesiology (License #2006001821 in MO)

NPI Profile Active July 13, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location July 13, 2010

Registered at 520 S SANTA FE AVE, SUITE 260, SALINA, KS 674014190 (Tel: 7858272238)

📍
Updated Business Mailing Address July 13, 2010

Registered at PO BOX 1607, SALINA, KS 674021607 (Tel: 7858272238)

👤
Provider Name / Credentials Updated July 13, 2010

Recorded as MARK SNYDER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 13, 2010

Anesthesiology (License #04-22743 in KS)

🟢
Initial NPI Registration & Enumeration August 26, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1790778587
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 26, 2005
Last Update: June 26, 2026
Sole Proprietor: No

Mailing Address

120 Terrace Ln

Hannibal, MO 634012768

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.