Active NPI 1124207006 Individual Practitioner Male Practitioner

Dr. Anthony Thong Phan , MD

Internal Medicine • Simi Valley, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Anthony Phan, MD is a certified Internal Medicine practicing in Simi Valley, CA. With approximately 33 years of clinical experience since graduating from University Of Kansas School Of Med (Kc/Wich/Sal) in 1993, Dr. Phan delivers high-quality medical care to the local community at 1189 SWALLOW LN STE 110.

Dr. Phan accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, injection beneath the skin or into muscle for therapy, diagnosis, or prevention, 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

1189 Swallow Ln Ste 110

Simi Valley, CA 930653157

Telephone 8055263213

Fax 8055835929

Associated Practice Facility / Clinic

🏢 Anthony Thong Phan Md Inc Facility NPI 1730139353

Medicare Profile & Education

Medical School

University Of Kansas School Of Med (Kc/wich/sal)

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Simi Valley, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +9.1 yrs vs City Avg

City Avg: 23.9 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

26 Specialists

Practicing in Simi Valley, CA (18502 Statewide)

Telehealth Adoption Rate

34.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

20.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Phan (33 Years) 33 Yrs

Simi Valley Specialty Average (23.9 Years) 23.9 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	834	139	$165.00	$136.62
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	569	102	$75.04	$61.15
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	285	21	$35.00	$15.58
36415 Insertion of needle into vein for collection of blood sample	140	61	$15.00	$8.65
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	122	11	$1.00	$0.98
85610 Blood test, clotting time	103	12	$10.00	$4.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	75	36	$225.00	$191.32
99213 Established patient office or other outpatient visit, typically 15 minutes	39	27	$110.00	$96.92
81002 Urinalysis, manual test	22	12	$15.00	$3.41

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	981	150	$165.00	$137.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	364	66	$75.00	$61.66
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	315	20	$35.00	$15.51
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	172	14	$1.00	$0.98
36415 Insertion of needle into vein for collection of blood sample	122	63	$15.00	$8.40
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	58	25	$225.00	$191.70
93000 Routine ekg using at least 12 leads including interpretation and report	18	18	$40.00	$15.74
99213 Established patient office or other outpatient visit, typically 15 minutes	15	11	$110.00	$97.46
81002 Urinalysis, manual test	14	12	$15.00	$3.41

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	994	165	$165.00	$139.63
36415 Insertion of needle into vein for collection of blood sample	320	132	$15.00	$2.97
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	295	63	$74.93	$62.19
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	221	111	$50.00	$26.46
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	208	21	$35.00	$15.92
85610 Blood test, clotting time	195	29	$10.00	$4.21
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	151	60	$225.00	$195.22
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	130	14	$1.00	$0.98
99213 Established patient office or other outpatient visit, typically 15 minutes	33	19	$110.00	$99.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$215.00	$180.39
93000 Routine ekg using at least 12 leads including interpretation and report	16	12	$40.00	$15.77
81002 Urinalysis, manual test	12	11	$15.00	$3.44

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	912	156	$162.90	$142.14
36415 Insertion of needle into vein for collection of blood sample	337	135	$15.00	$3.00
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	266	116	$49.21	$26.04
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	219	20	$35.00	$15.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	167	29	$73.98	$62.55
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	79	15	$1.00	$1.00
81002 Urinalysis, manual test	29	23	$15.00	$3.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	21	$216.54	$197.70
99213 Established patient office or other outpatient visit, typically 15 minutes	24	13	$108.54	$100.08
93000 Routine ekg using at least 12 leads including interpretation and report	18	15	$40.00	$16.47

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	873	142	$139.00	$119.48
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	349	31	$35.00	$15.83
36415 Insertion of needle into vein for collection of blood sample	285	126	$15.00	$2.98
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	215	29	$1.00	$0.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	214	37	$65.14	$50.70
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	191	94	$40.13	$26.38
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	68	51	$195.00	$160.07
99213 Established patient office or other outpatient visit, typically 15 minutes	50	18	$95.00	$82.42
81002 Urinalysis, manual test	41	29	$15.00	$3.46
99201 New patient office or other outpatient visit, typically 10 minutes	20	20	$70.00	$51.15
93000 Routine ekg using at least 12 leads including interpretation and report	17	15	$40.00	$19.09

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	814	139	$139.00	$114.25
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	406	40	$35.00	$17.93
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	295	37	$1.00	$0.98
36415 Insertion of needle into vein for collection of blood sample	280	120	$15.04	$2.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	204	37	$64.88	$48.06
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	186	89	$40.00	$24.86
85610 Blood test, clotting time	164	12	$10.00	$4.28
99213 Established patient office or other outpatient visit, typically 15 minutes	93	40	$95.00	$78.20
81002 Urinalysis, manual test	61	41	$15.00	$3.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	46	36	$195.00	$152.10
93000 Routine ekg using at least 12 leads including interpretation and report	25	21	$40.00	$18.22
99201 New patient office or other outpatient visit, typically 10 minutes	20	20	$70.00	$48.83

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	566	126	$139.01	$110.30
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	292	23	$35.00	$21.78
36415 Insertion of needle into vein for collection of blood sample	266	114	$15.00	$2.94
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	197	94	$40.00	$22.95
99213 Established patient office or other outpatient visit, typically 15 minutes	177	56	$95.00	$74.98
85610 Blood test, clotting time	176	12	$10.00	$4.75
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	159	17	$1.00	$0.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	139	29	$65.00	$45.70
81002 Urinalysis, manual test	70	42	$15.00	$3.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	43	33	$195.00	$148.11
93000 Routine ekg using at least 12 leads including interpretation and report	20	16	$40.00	$17.68

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	527	126	$139.00	$109.49
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	349	26	$35.00	$27.11
36415 Insertion of needle into vein for collection of blood sample	272	112	$15.00	$2.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	266	39	$65.00	$45.07
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	195	89	$40.00	$21.28
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	182	21	$1.00	$0.98
85610 Blood test, clotting time	168	12	$10.00	$5.28
99213 Established patient office or other outpatient visit, typically 15 minutes	143	54	$95.00	$74.48
81002 Urinalysis, manual test	55	33	$15.00	$3.43
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	19	$195.00	$146.51
93000 Routine ekg using at least 12 leads including interpretation and report	17	16	$40.00	$17.58

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA G83470

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

Commercial Insurance / Payer ID Medical Provider Number

00G834700 (CA)

Commercial Insurance / Payer ID Clia

O5D0989497 (CA)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location August 21, 2019

Registered at 1189 SWALLOW LN STE 110, SIMI VALLEY, CA 930653157 (Tel: 8055263213)

📍

Updated Business Mailing Address August 08, 2019

Registered at 1189 SWALLOW LN STE 110, SIMI VALLEY, CA 930653157 (Tel: 8055263213)

✅

NPI Profile Active April 23, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location April 23, 2008

Registered at 2925 N SYCAMORE DR, STE 304, SIMI VALLEY, CA 93065 (Tel: 8055263213)

📍

Updated Business Mailing Address April 23, 2008

Registered at 2925 N SYCAMORE DR, STE 304, SIMI VALLEY, CA 93065 (Tel: 8055263213)

👤

Provider Name / Credentials Updated April 23, 2008

Recorded as ANTHONY PHAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 23, 2008

Internal Medicine (License #G83470 in CA)

🟢

Initial NPI Registration & Enumeration October 29, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1124207006

Entity Type:

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

Enumeration Date: October 29, 2007

Last Update: August 21, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1189 Swallow Ln Ste 110

Simi Valley, CA 930653157

Phone: 8055263213

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.