Active NPI 1225097611 Individual Practitioner Male Practitioner

Dr. Chad J. Hammad , MD

Hospitalist • Mesa, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Chad Hammad, MD is a certified Hospitalist practicing in Mesa, AZ. With approximately 27 years of clinical experience since completing medical education in 1999, Dr. Hammad delivers high-quality medical care to the local community at 1400 S DOBSON RD.

Dr. Hammad is affiliated with Apollo Hospitalists Pllc and accepts Medicare assignment.

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

1400 S Dobson Rd

Mesa, AZ 852024707

Telephone 4806264813

Fax 4804459238

Associated Practice Facility / Clinic

🏢 Progressive Medical Associates Pllc Facility NPI 1548218613

Medicare Profile & Education

Medical School

Other

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Hospitalist in Mesa, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs +7.9 yrs vs City Avg

City Avg: 19.1 Yrs

State Avg: 18.8 Yrs

Regional Practice Density

66 Specialists

Practicing in Mesa, AZ (776 Statewide)

Telehealth Adoption Rate

6.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

47.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hammad (27 Years) 27 Yrs

Mesa Specialty Average (19.1 Years) 19.1 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	275	112	$182.00	$112.23
99239 Hospital discharge day management, more than 30 minutes	56	56	$189.00	$109.40
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	52	37	$127.00	$75.56
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	41	41	$347.00	$165.66
99291 Critical care, first 30-74 minutes	28	22	$418.00	$202.69

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	491	167	$182.00	$115.16
99239 Hospital discharge day management, more than 30 minutes	57	57	$189.00	$109.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	56	55	$347.00	$165.75
99291 Critical care, first 30-74 minutes	28	23	$418.00	$206.66

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	374	113	$182.00	$98.68
99239 Hospital discharge day management, more than 30 minutes	44	44	$189.00	$101.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	32	$347.00	$192.24
99291 Critical care, first 30-74 minutes	23	21	$418.00	$211.86

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	526	150	$182.00	$99.92
99239 Hospital discharge day management, more than 30 minutes	83	82	$189.00	$104.03
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	55	54	$347.00	$196.15
99291 Critical care, first 30-74 minutes	21	21	$418.00	$216.40

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	601	190	$182.00	$103.87
99239 Hospital discharge day management, more than 30 minutes	89	88	$189.00	$106.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	65	$347.00	$201.11
99291 Critical care, first 30-74 minutes	32	27	$418.00	$221.64
99217 Hospital observation care on day of discharge	15	15	$132.00	$71.93
99220 Hospital observation care, typically 70 minutes	12	12	$290.00	$184.52

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	436	150	$182.00	$102.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	107	106	$347.00	$198.96
99239 Hospital discharge day management, more than 30 minutes	78	78	$189.00	$105.45
99220 Hospital observation care, typically 70 minutes	49	49	$290.00	$182.57
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	21	$127.00	$71.59
99217 Hospital observation care on day of discharge	29	29	$132.00	$71.86
99226 Subsequent observation care, typically 35 minutes per day	25	19	$180.00	$103.03
99291 Critical care, first 30-74 minutes	20	20	$418.00	$219.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$238.00	$134.61

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	395	158	$182.00	$113.04
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	96	95	$347.00	$220.87
99239 Hospital discharge day management, more than 30 minutes	93	93	$189.00	$117.32
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	70	40	$127.00	$79.30
99220 Hospital observation care, typically 70 minutes	64	64	$290.00	$202.28
99291 Critical care, first 30-74 minutes	30	30	$418.00	$242.18
99217 Hospital observation care on day of discharge	28	28	$132.00	$79.56
99226 Subsequent observation care, typically 35 minutes per day	23	19	$180.00	$114.51

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	475	162	$182.00	$102.89
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	240	127	$127.00	$71.33
99239 Hospital discharge day management, more than 30 minutes	184	180	$189.00	$106.25
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	115	114	$347.00	$200.21
99220 Hospital observation care, typically 70 minutes	107	104	$290.00	$182.21
99217 Hospital observation care on day of discharge	58	58	$132.00	$70.95
99226 Subsequent observation care, typically 35 minutes per day	46	35	$157.83	$101.97
99291 Critical care, first 30-74 minutes	44	37	$418.00	$220.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$238.00	$135.08
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$170.00	$100.08

Medical Specialties & State Licenses

CMS Verified: 2025-11-19

Hospitalist Primary Specialty

NUCC Taxonomy Code: 208M00000X

State License CA A80163

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License AZ 31815

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License AZ 31815

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

797798 (AZ)

Hospital & Practice Group Affiliations

Apollo Hospitalists Pllc

1400 S Dobson Rd, Mesa, AZ 852024707

Phone: 4806264813

Secondary Practice Locations

2108 N St Ste 7314

Sacramento, CA 958165712

Phone: 6026189126

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Naved Khan , MD

Hospitalist

NPI 1285677856

Doctor of Medicine (M.D.)

Dr. Ashwin Ramadhar , MD

Internal Medicine

NPI 1457328106

Doctor of Medicine (M.D.)

Dr. Barjinder Bhullar , MD

Hospitalist

NPI 1871560334

Doctor of Medicine (M.D.)

Dr. Nabin Sharma , MD

Internal Medicine

NPI 1932102977

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Business Mailing Address November 19, 2025

Registered at 2108 N ST STE 7314, SACRAMENTO, CA 958165712 (Tel: 6026189126)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2025

Hospitalist (License #A80163 in CA)

✅

NPI Profile Active April 15, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 15, 2017

Registered at 1400 S DOBSON RD, MESA, AZ 852024707 (Tel: 4806264813)

📍

Updated Business Mailing Address April 15, 2017

Registered at 16038 S 35TH WY, PHOENIX, AZ 85048 (Tel: 4806264813)

👤

Provider Name / Credentials Updated April 15, 2017

Recorded as CHAD HAMMAD, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 15, 2017

Internal Medicine (License #31815 in AZ)

✅

NPI Profile Active May 02, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location May 02, 2011

Registered at 1400 S DOBSON RD, MESA, AZ 852024707 (Tel: 4806264813)

📍

Updated Business Mailing Address May 02, 2011

Registered at 16038 S 35TH WY, PHOENIX, AZ 85048 (Tel: 4806264813)

👤

Provider Name / Credentials Updated May 02, 2011

Recorded as CHAD HAMMAD, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 02, 2011

Internal Medicine (License #31815 in AZ)

🟢

Initial NPI Registration & Enumeration March 22, 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: 1225097611

Entity Type:

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

Enumeration Date: March 22, 2006

Last Update: November 19, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2108 N St Ste 7314

Sacramento, CA 958165712

Phone: 6026189126

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.