Active NPI 1235450073 Individual Practitioner Male Practitioner

Dr. Matthew M. Graham , DO

Internal Medicine • Gilbert, AZ

Professional Overview & Biography Verified Profile Summary

Dr. Matthew Graham, DO is a registered healthcare professional specializing in Internal Medicine in Gilbert, AZ. Practice services are available at 3285 S VAL VISTA DR under active NPI credentials.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, 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

3285 S Val Vista Dr

Gilbert, AZ 852977000

Telephone 4803972800

Associated Practice Facility / Clinic

🏢 Phoenix Vamc Facility NPI 1437197902

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Gilbert, AZ

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.9 Yrs

State Avg: 25.1 Yrs

Regional Practice Density

45 Specialists

Practicing in Gilbert, AZ (2967 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

19.6% 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	18	13	$140.00	$112.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	44	30	$133.00	$115.34
99239 Hospital discharge day management, more than 30 minutes	21	20	$130.71	$110.90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$223.46	$168.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	55	27	$650.00	$101.18
99239 Hospital discharge day management, more than 30 minutes	14	14	$670.00	$104.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	141	72	$597.97	$103.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	68	$135.00	$105.79
99239 Hospital discharge day management, more than 30 minutes	47	45	$623.62	$106.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	21	$440.24	$72.16
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$90.00	$71.47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	26	25	$1227.69	$201.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	23	23	$231.40	$112.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	330	198	$135.00	$106.03
99213 Established patient office or other outpatient visit, typically 15 minutes	119	88	$90.00	$72.74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	103	53	$487.20	$101.38
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	67	67	$231.40	$113.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$126.00	$106.05
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	55	24	$444.24	$72.44
99239 Hospital discharge day management, more than 30 minutes	24	24	$511.04	$106.40
93000 Routine ekg using at least 12 leads including interpretation and report	22	22	$30.00	$16.61
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$1137.88	$201.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	13	$171.00	$142.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	116	86	$129.62	$105.72
99213 Established patient office or other outpatient visit, typically 15 minutes	110	86	$82.42	$71.64
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	49	28	$361.27	$101.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$124.53	$105.76
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$95.00	$71.21
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$30.00	$16.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	17	$376.61	$101.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$127.00	$105.79

Medical Specialties & State Licenses

CMS Verified: 2026-06-22

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License AZ 005822

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.

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Debbie Dennis , DO

Psychiatry & Neurology - Psychiatry

NPI 1053773077

Doctor of Osteopathic Medicine (D.O.)

Megan Briggs

Dietitian, Registered

NPI 1053819920

Maria Decarvalho , LMSW

Social Worker

NPI 1154093649

Licensed Master Social Worker

Dr. Ashley Zambetti , AuD

Audiologist

NPI 1225605074

Doctor of Audiology

Dr. Lalida Chupatanakul , MD

Family Medicine

NPI 1235572991

Doctor of Medicine (M.D.)

Jessica Liner

Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI 1649131681

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Practice Location June 22, 2026

Registered at 3285 S VAL VISTA DR, GILBERT, AZ 852977000 (Tel: 4803972800)

📍

Updated Business Mailing Address June 22, 2026

Registered at 3285 S VAL VISTA DR, GILBERT, AZ 852977000 (Tel: 4803972800)

📍

Updated Practice Location March 16, 2018

Registered at 3420 S MERCY RD STE 211, GILBERT, AZ 852970424 (Tel: 4807289900)

📍

Updated Business Mailing Address March 16, 2018

Registered at 3420 S MERCY RD STE 211, GILBERT, AZ 852970424 (Tel: 4807289900)

✅

NPI Profile Active December 02, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location December 02, 2016

Registered at 4700 LAS VEGAS BLVD N, NELLIS AFB, NV 891916600 (Tel: 7026533800)

📍

Updated Business Mailing Address December 02, 2016

Registered at 4700 LAS VEGAS BLVD N, NELLIS AFB, NV 891916600 (Tel: 7026533800)

👤

Provider Name / Credentials Updated December 02, 2016

Recorded as MATTHEW GRAHAM, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 02, 2016

Internal Medicine (License #005822 in AZ)

🟢

Initial NPI Registration & Enumeration June 16, 2010

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: 1235450073

Entity Type:

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

Enumeration Date: June 16, 2010

Last Update: June 22, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3285 S Val Vista Dr

Gilbert, AZ 852977000

Phone: 4803972800

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.