Active NPI 1124051743 Individual Practitioner Male Practitioner

Dr. Mark James Thorndike , MD

Surgery • Anchorage, AK

Professional Overview & Biography Verified Profile Summary

Dr. Mark Thorndike, MD is a registered healthcare professional specializing in Surgery in Anchorage, AK. Practice services are available at 4315 DIPLOMACY DR under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of polyps or growths of large bowel using an endoscope with mechanical snare, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4315 Diplomacy Dr

Anchorage, AK 995085926

Telephone 9075632662

Associated Practice Facility / Clinic

🏢 Alaska Native Tribal Health Consortium Facility NPI 1437189339

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Anchorage, AK

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 23.2 Yrs

State Avg: 23.0 Yrs

Regional Practice Density

49 Specialists

Practicing in Anchorage, AK (102 Statewide)

Telehealth Adoption Rate

32.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

85.7% 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 (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	45	41	$269.00	$85.89
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	25	25	$2889.00	$319.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$425.00	$106.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	42	38	$263.48	$88.81
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	40	40	$2784.56	$330.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$385.00	$131.22
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	12	12	$1681.75	$92.24
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$1937.27	$239.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	43	41	$168.00	$29.83
99213 Established patient office or other outpatient visit, typically 15 minutes	34	28	$254.18	$91.48
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	30	29	$2741.13	$341.42
93922 Ultrasound study of arm and leg arteries	24	24	$94.00	$16.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$402.53	$113.27
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$1885.33	$246.74
93880 Ultrasound of both sides of head and neck blood flow	18	18	$216.00	$53.76
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	17	17	$1631.53	$135.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	16	$369.64	$134.14
93925 Ultrasound of leg arteries or artery grafts	14	14	$190.00	$53.06
45380 Biopsy of large bowel using an endoscope	13	13	$2269.69	$123.55
93931 Ultrasound of one arm arteries or artery grafts	12	11	$145.00	$33.09
93970 Ultrasound study of arm or leg veins with compression and maneuvers	11	11	$221.00	$46.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	47	42	$246.87	$92.66
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	33	32	$2661.39	$344.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	23	$156.35	$49.59
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	26	25	$164.92	$30.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$391.00	$114.34
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$1839.33	$236.11
93922 Ultrasound study of arm and leg arteries	18	17	$92.50	$17.26
93880 Ultrasound of both sides of head and neck blood flow	18	18	$213.67	$53.93
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	12	12	$1580.00	$146.16
93925 Ultrasound of leg arteries or artery grafts	11	11	$187.82	$53.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	59	47	$239.85	$69.88
93880 Ultrasound of both sides of head and neck blood flow	28	27	$202.50	$55.95
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	25	24	$159.00	$31.29
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	25	25	$2586.56	$353.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	23	$355.13	$110.01
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$1776.00	$255.26
93922 Ultrasound study of arm and leg arteries	17	17	$88.71	$17.59
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	14	$1544.40	$121.14
93970 Ultrasound study of arm or leg veins with compression and maneuvers	14	13	$209.50	$48.74
45380 Biopsy of large bowel using an endoscope	13	13	$2138.77	$179.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$150.38	$35.30
93931 Ultrasound of one arm arteries or artery grafts	12	11	$137.50	$34.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$380.36	$104.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	145	114	$230.97	$70.16
93880 Ultrasound of both sides of head and neck blood flow	40	39	$197.95	$55.76
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	38	36	$2505.79	$343.76
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	31	29	$153.32	$30.68
93922 Ultrasound study of arm and leg arteries	21	20	$85.57	$17.47
45380 Biopsy of large bowel using an endoscope	21	21	$2079.71	$192.65
45378 Diagnostic exam of large bowel using a flexible endoscope	20	20	$1694.97	$243.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$146.57	$34.93
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$1369.84	$139.28
93970 Ultrasound study of arm or leg veins with compression and maneuvers	11	11	$201.55	$48.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	75	$225.16	$69.26
93880 Ultrasound of both sides of head and neck blood flow	45	45	$190.80	$55.00
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	23	23	$150.22	$29.53
93970 Ultrasound study of arm or leg veins with compression and maneuvers	19	19	$197.21	$47.41
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	11	$264.89	$98.92
93922 Ultrasound study of arm and leg arteries	17	17	$83.59	$17.22
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	15	15	$2431.60	$349.27
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$1673.69	$252.82
45380 Biopsy of large bowel using an endoscope	12	12	$2022.00	$158.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	130	103	$221.41	$68.01
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	28	$2417.00	$347.94
93880 Ultrasound of both sides of head and neck blood flow	27	27	$190.00	$53.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	15	$264.00	$97.88
45378 Diagnostic exam of large bowel using a flexible endoscope	23	23	$1666.00	$252.21
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	12	12	$1433.50	$103.49
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	12	12	$149.00	$28.90
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$1439.00	$145.61

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License AK 4270

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

MD0356 (AK)

Practice Associates & Co-Workers

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

40 Associated Practitioners

Katrina Johnson , PT

Physical Therapist

NPI 1003094392

Physical Therapist

Dr. Michael Mcdonnell , MD

Radiology - Body Imaging

NPI 1033144639

Doctor of Medicine (M.D.)

Evan Braithwaite

Anesthesiology

NPI 1033797055

Stacey Marchini

Registered Nurse

NPI 1063365393

Dr. Michael Lamagdeleine , DC

Chiropractor

NPI 1063528875

Doctor of Chiropractic

Dr. Kevin Stange , MD

Surgery

NPI 1073546677

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 September 23, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location September 23, 2008

Registered at 4315 DIPLOMACY DR, ANCHORAGE, AK 995085926 (Tel: 9075632662)

📍

Updated Business Mailing Address September 23, 2008

Registered at 4315 DIPLOMACY DR, ANCHORAGE, AK 995085926 (Tel: 9075632662)

👤

Provider Name / Credentials Updated September 23, 2008

Recorded as MARK THORNDIKE, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 23, 2008

Surgery (License #4270 in AK)

🟢

Initial NPI Registration & Enumeration July 08, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1124051743

Entity Type:

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

Enumeration Date: July 08, 2006

Last Update: September 23, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4315 Diplomacy Dr

Anchorage, AK 995085926

Phone: 9075632662

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.