Active NPI 1619265675 Individual Practitioner Male Practitioner

Dr. Daniel Chang , DO

Emergency Medicine • La Mesa, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Daniel Chang, DO is a certified Emergency Medicine practicing in La Mesa, CA. With approximately 15 years of clinical experience since completing medical education in 2011, Dr. Chang delivers high-quality medical care to the local community at 5525 GROSSMONT CENTER DR.

Dr. Chang maintains professional affiliations with Sharp Rees-Stealy Medical Group Inc, Cep America - California and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, detection test by immunoassay with direct visual observation for influenza virus, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5525 Grossmont Center Dr

La Mesa, CA 919423009

Telephone 8008274277

Associated Practice Facility / Clinic

🏢 Sharp Healthcare Facility NPI 1730156118

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in La Mesa, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -2.8 yrs vs City Avg

City Avg: 17.8 Yrs

State Avg: 22.9 Yrs

Regional Practice Density

43 Specialists

Practicing in La Mesa, CA (7995 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (15 Years) 15 Yrs

La Mesa Specialty Average (17.8 Years) 17.8 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
99213 Established patient office or other outpatient visit, typically 15 minutes	54	53	$253.74	$96.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	54	53	$352.44	$135.29
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	44	43	$477.68	$190.80
87804 Detection test by immunoassay with direct visual observation for influenza virus	23	13	$48.91	$16.22
36415 Insertion of needle into vein for collection of blood sample	19	19	$8.00	$7.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$521.63	$177.39
81003 Automated urinalysis test	18	17	$9.00	$2.08
99285 Emergency department visit for life threatening or functioning severity	17	17	$1224.00	$185.37
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	12	12	$76.67	$34.62
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	11	11	$49.00	$16.20

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	53	52	$341.68	$137.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$504.96	$178.08
99285 Emergency department visit for life threatening or functioning severity	22	22	$1170.36	$182.08
81003 Automated urinalysis test	21	21	$9.00	$2.10
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	20	$462.60	$192.30
36415 Insertion of needle into vein for collection of blood sample	18	18	$8.00	$7.40
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$246.59	$97.71
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	14	14	$75.00	$34.62
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	13	13	$48.00	$16.20
99291 Critical care, first 30-74 minutes	12	12	$1535.00	$223.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$343.17	$120.60
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$639.42	$234.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	54	54	$239.74	$98.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	52	$333.00	$132.53
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	40	40	$448.70	$195.23
81003 Automated urinalysis test	21	21	$9.00	$2.22
99285 Emergency department visit for life threatening or functioning severity	21	21	$1109.00	$185.36
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	20	20	$620.20	$222.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$334.00	$121.33
36415 Insertion of needle into vein for collection of blood sample	18	18	$8.00	$2.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$494.00	$170.76
99291 Critical care, first 30-74 minutes	12	12	$1467.17	$229.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	61	60	$232.43	$98.38
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	46	$322.04	$141.35
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	29	$436.55	$196.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$323.14	$122.17
36415 Insertion of needle into vein for collection of blood sample	18	18	$11.00	$3.00
99285 Emergency department visit for life threatening or functioning severity	18	18	$1058.94	$191.38
81003 Automated urinalysis test	16	16	$12.00	$2.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$480.00	$181.76
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$604.00	$239.78
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	14	14	$70.86	$14.52

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	52	52	$310.19	$117.12
99213 Established patient office or other outpatient visit, typically 15 minutes	34	34	$224.15	$80.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$310.45	$115.77
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	19	18	$68.47	$15.50
36415 Insertion of needle into vein for collection of blood sample	19	19	$10.78	$2.97
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$214.53	$81.88

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	90	89	$304.40	$113.26
99213 Established patient office or other outpatient visit, typically 15 minutes	77	77	$218.09	$78.45
J7613 Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg	55	16	$12.35	$0.04
J0696 Injection, ceftriaxone sodium, per 250 mg	44	11	$47.00	$0.60
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	28	27	$66.71	$17.91
99285 Emergency department visit for life threatening or functioning severity	26	26	$940.00	$182.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$304.28	$113.64
36415 Insertion of needle into vein for collection of blood sample	23	23	$10.30	$2.94
J1885 Injection, ketorolac tromethamine, per 15 mg	23	12	$27.59	$0.53
94640 Inhalation treatment for airway obstruction or sputum production	22	19	$54.73	$20.02
87804 Detection test by immunoassay with direct visual observation for influenza virus	22	11	$42.00	$16.22
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	21	21	$43.71	$16.20
81003 Automated urinalysis test	19	19	$11.36	$2.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$448.50	$171.71
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$211.56	$80.63
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	15	$410.40	$152.54
96374 Injection of drug or substance into a vein for therapy, diagnosis, or prevention	13	13	$156.23	$42.55

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	95	93	$295.34	$111.03
99213 Established patient office or other outpatient visit, typically 15 minutes	65	65	$211.91	$76.53
J7613 Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg	57	18	$12.00	$0.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$295.68	$112.65
81003 Automated urinalysis test	24	24	$11.00	$2.71
94640 Inhalation treatment for airway obstruction or sputum production	22	21	$52.55	$20.59
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	22	21	$64.91	$21.54
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$204.45	$78.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$435.52	$171.10
36415 Insertion of needle into vein for collection of blood sample	18	18	$10.00	$2.94
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	18	18	$41.94	$16.20
99285 Emergency department visit for life threatening or functioning severity	14	14	$734.00	$199.35
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$400.00	$151.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	145	137	$204.73	$76.01
J7613 Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg	78	28	$12.00	$0.05
99202 New patient office or other outpatient visit, typically 20 minutes	48	48	$197.50	$77.99
99285 Emergency department visit for life threatening or functioning severity	45	45	$667.00	$246.11
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	44	41	$62.86	$27.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	39	$286.15	$111.46
36415 Insertion of needle into vein for collection of blood sample	34	34	$10.00	$2.94
94640 Inhalation treatment for airway obstruction or sputum production	34	33	$50.53	$19.90
81003 Automated urinalysis test	32	32	$11.00	$3.02
J1885 Injection, ketorolac tromethamine, per 15 mg	30	20	$25.83	$0.69
J7644 Ipratropium bromide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram	17	13	$18.71	$0.22
82947 Blood glucose (sugar) level	13	13	$22.54	$5.28
99291 Critical care, first 30-74 minutes	13	13	$842.00	$324.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$287.00	$111.45
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	12	11	$40.67	$12.48

Medical Specialties & State Licenses

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License CA 20A14726

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Cep America - California

12601 Garden Grove Blvd, Garden Grove, CA 928431908

Phone: 7145375160

Sharp Rees-Stealy Medical Group Inc

5525 Grossmont Ctr Dr, La Mesa, CA 919423009

Phone: 8584992600

Practice Associates & Co-Workers

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

1 Associated Practitioners

Danny Sumbillo , RD

Dietitian, Registered

NPI 1548881329

Registered Dietitian

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active October 30, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location October 30, 2017

Registered at 5525 GROSSMONT CENTER DR, LA MESA, CA 919423009 (Tel: 8008274277)

📍

Updated Business Mailing Address October 30, 2017

Registered at 5525 GROSSMONT CENTER DR, LA MESA, CA 919423009

👤

Provider Name / Credentials Updated October 30, 2017

Recorded as DANIEL CHANG, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 30, 2017

Emergency Medicine (License #20A14726 in CA)

✅

NPI Profile Active July 06, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 06, 2016

Registered at 5525 GROSSMONT CENTER DR, LA MESA, CA 919423009 (Tel: 8008274277)

📍

Updated Business Mailing Address July 06, 2016

Registered at 5525 GROSSMONT CENTER DR, LA MESA, CA 919423009

👤

Provider Name / Credentials Updated July 06, 2016

Recorded as DANIEL CHANG, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 06, 2016

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration July 12, 2011

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: 1619265675

Entity Type:

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

Enumeration Date: July 12, 2011

Last Update: October 30, 2017

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

5525 Grossmont Center Dr

La Mesa, CA 919423009

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.