Active NPI 1558471607 Individual Practitioner Male Practitioner

Dr. Henry K. Chang , MD

Internal Medicine • Carmichael, CA

Professional Overview & Biography Verified Profile Summary

Dr. Henry Chang, MD is a registered healthcare professional specializing in Internal Medicine in Carmichael, CA. Practice services are available at 6555 COYLE AVENUE under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, administration of pneumococcal vaccine, vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6555 Coyle Avenue

Carmichael, CA 95608

Telephone 9165362484

Fax 9165363541

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Carmichael, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 29.5 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

37 Specialists

Practicing in Carmichael, CA (18502 Statewide)

Telehealth Adoption Rate

29.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.8% 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 (2021)

Reporting Year:

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	328	213	$370.00	$137.23
G0009 Administration of pneumococcal vaccine	33	33	$89.00	$18.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	33	27	$476.83	$191.47
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	32	32	$212.00	$123.48
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$262.00	$96.94

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	659	277	$370.00	$115.57
G0009 Administration of pneumococcal vaccine	70	69	$89.00	$17.88
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	67	67	$212.00	$119.56
G0008 Administration of influenza virus vaccine	64	62	$30.00	$17.89
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	59	59	$227.71	$61.00
99213 Established patient office or other outpatient visit, typically 15 minutes	45	42	$262.00	$79.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	28	$476.83	$155.31
93000 Routine ekg using at least 12 leads including interpretation and report	25	24	$145.00	$18.17
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	18	11	$202.00	$56.55
99442 Telephone medical discussion with physician, 11-20 minutes	14	11	$93.21	$79.25

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	606	276	$370.00	$114.55
99213 Established patient office or other outpatient visit, typically 15 minutes	61	55	$262.00	$78.38
90653 Vaccine for influenza for injection into muscle	52	52	$235.00	$58.34
G0008 Administration of influenza virus vaccine	51	51	$30.00	$17.55
93000 Routine ekg using at least 12 leads including interpretation and report	24	22	$145.00	$18.05
90670 Pneumococcal vaccine for injection into muscle	17	17	$451.00	$211.02
G0009 Administration of pneumococcal vaccine	16	16	$89.00	$17.55

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	779	302	$370.00	$112.10
99213 Established patient office or other outpatient visit, typically 15 minutes	205	143	$262.00	$76.10
G0008 Administration of influenza virus vaccine	61	58	$30.00	$21.67
93000 Routine ekg using at least 12 leads including interpretation and report	58	48	$145.00	$17.77
90653 Vaccine for influenza for injection into muscle	45	45	$235.00	$53.58
90670 Pneumococcal vaccine for injection into muscle	24	24	$451.00	$197.45
G0009 Administration of pneumococcal vaccine	23	23	$89.00	$21.67
90662 Influenza vaccine split virus, preservative free	12	12	$245.00	$48.05

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	889	324	$370.00	$109.70
99213 Established patient office or other outpatient visit, typically 15 minutes	190	131	$262.00	$74.66
G0008 Administration of influenza virus vaccine	64	64	$30.00	$26.85
90662 Influenza vaccine split virus, preservative free	62	62	$243.11	$47.95
93000 Routine ekg using at least 12 leads including interpretation and report	39	35	$145.00	$17.42
G0009 Administration of pneumococcal vaccine	38	38	$89.00	$26.85
90670 Pneumococcal vaccine for injection into muscle	36	36	$451.00	$186.27

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA G23454

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

00G234540 (CA)

Commercial Insurance / Payer ID First Health

14307 (CA)

Commercial Insurance / Payer ID Blue Shield

00G234540 (CA)

Commercial Insurance / Payer ID Interplan

4121 (CA)

Commercial Insurance / Payer ID United

725811 (CA)

Commercial Insurance / Payer ID Great West

450181 (CA)

Commercial Insurance / Payer ID Blue Cross

G23454 (CA)

Commercial Insurance / Payer ID Cigna

3702202 (CA)

Commercial Insurance / Payer ID Aetna

4507481 (CA)

Commercial Insurance / Payer ID Pacificare

90037762 (CA)

Practice Associates & Co-Workers

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

21 Associated Practitioners

Catherine Stephens , NP

Nurse Practitioner

NPI 1043317084

Nurse Practitioner

Elissa Ku , NP

Nurse Practitioner

NPI 1083126460

Nurse Practitioner

Dr. Sofie De Nardi , MD

Pediatrics - Neonatal-Perinatal Medicine

NPI 1316956378

Doctor of Medicine (M.D.)

Dr. Anwar Saeed , MD

Internal Medicine

NPI 1326073503

Doctor of Medicine (M.D.)

Dr. Guillermo Mantilla , MD

Hospitalist

NPI 1326234816

Doctor of Medicine (M.D.)

Dr. Elizabeth Madarang , MD

Internal Medicine

NPI 1396824785

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 March 20, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location March 20, 2012

Registered at 6555 COYLE AVENUE, CARMICHAEL, CA 95608 (Tel: 9165362484)

📍

Updated Business Mailing Address March 20, 2012

Registered at 3400 DATA DRIVE, RANCHO CORDOVA, CA 956707956 (Tel: 9165362484)

👤

Provider Name / Credentials Updated March 20, 2012

Recorded as HENRY CHANG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 20, 2012

Internal Medicine (License #G23454 in CA)

🟢

Initial NPI Registration & Enumeration August 30, 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: 1558471607

Entity Type:

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

Enumeration Date: August 30, 2006

Last Update: March 20, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3400 Data Drive

Rancho Cordova, CA 956707956

Phone: 9165362484

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.