Active NPI 1942611462 Individual Practitioner Male Practitioner

Dr. Marshall Davis , MD

Internal Medicine • Avon, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Marshall Davis, MD is a certified Internal Medicine practicing in Avon, CO. With approximately 12 years of clinical experience since graduating from University Of Nebraska College Of Medicine in 2014, Dr. Davis delivers high-quality medical care to the local community at 50 BUCK CREEK RD STE 200.

Dr. Davis is affiliated with Colorado Mountain Medical, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, critical care, first, initial hospital care with same-day admission and discharge with high level of medical decision making, per day, 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

50 Buck Creek Rd Ste 200

Avon, CO 816205428

Telephone 9709266340

Fax 9709266348

Associated Practice Facility / Clinic

🏢 Colorado Mountain Medical, Llc Facility NPI 1730747445

Medicare Profile & Education

Medical School

University Of Nebraska College Of Medicine

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Avon, CO

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs -21.8 yrs vs City Avg

City Avg: 33.8 Yrs

State Avg: 23.3 Yrs

Regional Practice Density

5 Specialists

Practicing in Avon, CO (2124 Statewide)

Telehealth Adoption Rate

40.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

75.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Davis (12 Years) 12 Yrs

Avon Specialty Average (33.8 Years) 33.8 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	217	209	$700.00	$170.79
99291 Critical care, first 30-74 minutes	28	28	$856.00	$209.28
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	14	14	$842.00	$206.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	169	169	$592.02	$174.40
99291 Critical care, first 30-74 minutes	17	17	$671.15	$204.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$419.46	$130.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	130	128	$368.20	$197.67
99220 Hospital observation care, typically 70 minutes	56	55	$287.00	$178.24
99219 Hospital observation care, typically 50 minutes	13	13	$205.10	$132.24
99291 Critical care, first 30-74 minutes	12	11	$419.30	$217.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	129	128	$368.20	$202.50
99220 Hospital observation care, typically 70 minutes	41	41	$287.00	$184.53
99291 Critical care, first 30-74 minutes	21	21	$419.30	$222.86
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	15	15	$408.80	$217.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	115	114	$368.20	$208.47
99220 Hospital observation care, typically 70 minutes	36	36	$287.00	$191.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	261	140	$145.55	$72.55
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	162	95	$204.54	$103.57
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	89	89	$402.98	$200.63
99239 Hospital discharge day management, more than 30 minutes	83	81	$221.59	$106.95
99220 Hospital observation care, typically 70 minutes	56	55	$379.57	$186.82
99217 Hospital observation care on day of discharge	50	50	$149.65	$73.67
99238 Hospital discharge day management, 30 minutes or less	39	39	$149.15	$73.63
99225 Subsequent observation care, typically 25 minutes per day	23	22	$149.52	$73.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	380	188	$142.62	$76.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	227	115	$203.10	$110.44
99239 Hospital discharge day management, more than 30 minutes	156	156	$222.01	$113.83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	112	112	$394.94	$213.92
99217 Hospital observation care on day of discharge	50	49	$137.83	$78.75
99220 Hospital observation care, typically 70 minutes	33	33	$309.55	$203.20
99225 Subsequent observation care, typically 25 minutes per day	23	20	$127.69	$79.27
99238 Hospital discharge day management, 30 minutes or less	20	20	$147.20	$80.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	279	117	$148.00	$72.55
99239 Hospital discharge day management, more than 30 minutes	82	82	$219.00	$108.17
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	65	30	$213.00	$104.93
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	43	$415.00	$203.94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$280.00	$137.71
99225 Subsequent observation care, typically 25 minutes per day	15	13	$148.00	$73.27

Medical Specialties & State Licenses

CMS Verified: 2026-08-03

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CO DR.0058209

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Colorado Mountain Medical, Llc

50 Buck Creek Rd, Avon, CO 816205428

Phone: 9709266350

Secondary Practice Locations

2637 Midpoint Dr Ste B

Fort Collins, CO 805254408

Phone: 7196369393

180 S Frontage Rd W Ste 5800

Vail, CO 816575038

Phone: 9709266340

377 Sylvan Lake Rd Ste 210

Eagle, CO 816316779

Phone: 9709266340

365 Dillon Ridge Rd Ste 1200

Dillon, CO 804356344

Phone: 9709266340

377 Sylvan Lake Rd Ste 120

Eagle, CO 816316779

Phone: 9709266340

180 S Frontage Rd W Ste 5800

Vail, CO 816575038

Phone: 9709266340

365 Dillon Ridge Rd Ste 1200

Dillon, CO 804356344

Phone: 9709266340

50 Buck Creek Rd Ste 100

Avon, CO 816205428

Phone: 9709266340

Practice Associates & Co-Workers

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

40 Associated Practitioners

Jason Kron , PA

Physician Assistant - Medical

NPI 1003155771

Physician Assistant

Julie Current , PA-C

Physician Assistant

NPI 1023083334

Physician Assistant (Certified)

Dr. Stephen Mohr , MD

Urology

NPI 1033252580

Doctor of Medicine (M.D.)

Dr. Diane Voytko , MD

Family Medicine

NPI 1043212525

Doctor of Medicine (M.D.)

Dr. Darin Olson , MD, PhD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1043324700

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Meghan Ahearn-Steven , PA-C

Physician Assistant

NPI 1053918714

Physician Assistant (Certified)

Career & Practice History Timeline

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

15 Historical Events

📍

Updated Practice Location August 03, 2026

Registered at 50 BUCK CREEK RD STE 200, AVON, CO 816205428 (Tel: 9709266340)

📍

Updated Business Mailing Address August 03, 2026

Registered at PO BOX 4330, AVON, CO 816204330 (Tel: 9709266340)

📍

Updated Practice Location November 01, 2019

Registered at 2637 MIDPOINT DR STE B, FORT COLLINS, CO 805254408 (Tel: 7196369393)

📍

Updated Business Mailing Address November 01, 2019

Registered at 2637 MIDPOINT DR STE B, FORT COLLINS, CO 805254408 (Tel: 7195382900)

✅

NPI Profile Active April 17, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 17, 2017

Registered at 2222 NORTH NEVADA AVENUE, SUITE 4001, COLORADO SPRINGS, CO 80907 (Tel: 7196369393)

📍

Updated Business Mailing Address April 17, 2017

Registered at 2 SOUTH CASCADE AVENUE, SUITE 140, COLORADO SPRINGS, CO 809031604 (Tel: 7195382900)

👤

Provider Name / Credentials Updated April 17, 2017

Recorded as MARSHALL DAVIS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 17, 2017

Internal Medicine (License #DR.0058209 in CO)

✅

NPI Profile Active May 19, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location May 19, 2014

Registered at 200 HAWKINS DR, DEPT OF INTERNAL MEDICINE, IOWA CITY, IA 522421009 (Tel: 3193848955)

📍

Updated Business Mailing Address May 19, 2014

Registered at 200 HAWKINS DR, DEPT OF INTERNAL MEDICINE, IOWA CITY, IA 522421009 (Tel: 3193848955)

👤

Provider Name / Credentials Updated May 19, 2014

Recorded as MARSHALL DAVIS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 19, 2014

Internal Medicine (License #R-09935 in IA)

🟢

Initial NPI Registration & Enumeration May 19, 2014

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: 1942611462

Entity Type:

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

Enumeration Date: May 19, 2014

Last Update: August 03, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 4330

Avon, CO 816204330

Phone: 9709266340

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.