Active NPI 1659385441 Individual Practitioner Male Practitioner

Dr. William Michael Marsh , MD

General Practice • Cave Creek, AZ

Professional Overview & Biography Verified Profile Summary

Dr. William Marsh, MD is a registered healthcare professional specializing in General Practice in Cave Creek, AZ. Practice services are available at 30012 N CAVE CREEK RD STE 105 under active NPI credentials.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

30012 N Cave Creek Rd Ste 105

Cave Creek, AZ 853315833

Telephone 4805850880

Fax 4805850882

Associated Practice Facility / Clinic

🏢 William M. Marsh, Md, Pc Facility NPI 1104008705

Specialty Benchmarks & Practice Insights

Comparative analytics for General Practice in Cave Creek, AZ

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 10.5 Yrs

State Avg: 21.3 Yrs

Regional Practice Density

1 Specialists

Practicing in Cave Creek, AZ (259 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

1.4% 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 (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	126	81	$3.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	113	70	$70.56	$69.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	39	$108.84	$107.31
G0008 Administration of influenza virus vaccine	38	38	$16.52	$16.19
90662 Influenza vaccine split virus, preservative free	38	38	$36.32	$35.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	30	$35.25	$34.85

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	213	125	$35.25	$34.98
99213 Established patient office or other outpatient visit, typically 15 minutes	128	91	$70.56	$69.74
36415 Insertion of needle into vein for collection of blood sample	126	89	$3.00	$2.94
90662 Influenza vaccine split virus, preservative free	52	51	$36.32	$35.60
G0008 Administration of influenza virus vaccine	51	50	$16.59	$16.27
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	17	17	$12.81	$12.74

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	226	107	$35.25	$35.25
99213 Established patient office or other outpatient visit, typically 15 minutes	134	91	$70.56	$70.56
90662 Influenza vaccine split virus, preservative free	70	70	$36.32	$36.32
G0008 Administration of influenza virus vaccine	70	70	$20.23	$16.52
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	50	18	$12.81	$12.81
36415 Insertion of needle into vein for collection of blood sample	15	13	$3.00	$3.00

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	148	97	$35.25	$35.03
99213 Established patient office or other outpatient visit, typically 15 minutes	147	89	$70.56	$70.10
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	40	30	$12.81	$12.74

Medical Specialties & State Licenses

General Practice Primary Specialty

NUCC Taxonomy Code: 208D00000X

State License AZ 13237

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location October 17, 2018

Registered at 30012 N CAVE CREEK RD STE 105, CAVE CREEK, AZ 853315833 (Tel: 4805850880)

📍

Updated Business Mailing Address October 17, 2018

Registered at 30012 N CAVE CREEK RD STE 105, CAVE CREEK, AZ 853315833 (Tel: 4805850880)

✅

NPI Profile Active December 05, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location December 05, 2007

Registered at 20201 N SCOTTSDALE HEALTHCARE DR, SUITE 290, SCOTTSDALE, AZ 852554134 (Tel: 4805850880)

📍

Updated Business Mailing Address December 05, 2007

Registered at 20201 N SCOTTSDALE HEALTHCARE DR, SUITE 290, SCOTTSDALE, AZ 852554134 (Tel: 4805850880)

👤

Provider Name / Credentials Updated December 05, 2007

Recorded as WILLIAM MARSH, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 05, 2007

General Practice (License #13237 in AZ)

🟢

Initial NPI Registration & Enumeration July 28, 2006

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: 1659385441

Entity Type:

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

Enumeration Date: July 28, 2006

Last Update: October 17, 2018

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

30012 N Cave Creek Rd Ste 105

Cave Creek, AZ 853315833

Phone: 4805850880

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.