Active NPI 1619268372 Individual Practitioner Male Practitioner

Dr. Jonathan H. Chen , MD, PhD

Internal Medicine • Stanford, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jonathan Chen, MD, PhD is a certified Internal Medicine practicing in Stanford, CA. With approximately 15 years of clinical experience since completing medical education in 2011, Dr. Chen delivers high-quality medical care to the local community at 300 PASTEUR DR.

Dr. Chen is affiliated with Stanford Health Care 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

300 Pasteur Dr

Stanford, CA 943052200

Telephone 6507253655

Associated Practice Facility / Clinic

🏢 Stanford Hospital And Clinic Facility NPI 1285683292

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 Internal Medicine in Stanford, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs +1.2 yrs vs City Avg

City Avg: 13.8 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

383 Specialists

Practicing in Stanford, CA (18502 Statewide)

Telehealth Adoption Rate

21.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (15 Years) 15 Yrs

Stanford Specialty Average (13.8 Years) 13.8 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	92	35	$274.30	$88.80
99239 Hospital discharge day management, more than 30 minutes	33	33	$445.03	$131.60
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	29	29	$764.31	$195.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	186	60	$270.00	$91.15
99239 Hospital discharge day management, more than 30 minutes	47	45	$438.00	$133.80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	37	$757.00	$199.79
99221 Initial hospital inpatient care per day, typically 30 minutes	14	13	$359.86	$94.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	184	67	$252.34	$81.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	47	$687.49	$225.42
99239 Hospital discharge day management, more than 30 minutes	38	38	$416.82	$122.22
99220 Hospital observation care, typically 70 minutes	13	12	$670.69	$204.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	194	78	$244.00	$82.80
99239 Hospital discharge day management, more than 30 minutes	58	55	$403.00	$124.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	56	56	$658.00	$230.78
99220 Hospital observation care, typically 70 minutes	18	17	$661.00	$209.15
99217 Hospital observation care on day of discharge	13	13	$282.00	$84.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	154	55	$244.00	$84.32
99239 Hospital discharge day management, more than 30 minutes	42	42	$403.00	$126.92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	37	37	$658.00	$235.29
99220 Hospital observation care, typically 70 minutes	21	20	$661.00	$215.02
99217 Hospital observation care on day of discharge	19	19	$282.00	$86.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	83	33	$244.00	$81.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	30	$658.00	$224.21
99239 Hospital discharge day management, more than 30 minutes	28	28	$403.00	$121.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	58	28	$244.00	$82.04
99239 Hospital discharge day management, more than 30 minutes	29	29	$403.00	$123.94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$658.00	$228.33
99220 Hospital observation care, typically 70 minutes	11	11	$573.00	$210.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	26	$240.77	$78.87
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	38	19	$344.47	$113.81
99239 Hospital discharge day management, more than 30 minutes	29	29	$396.79	$119.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	21	$650.76	$220.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$444.00	$148.57

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A122045

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.

Hospital & Practice Group Affiliations

Stanford Health Care

300 Pasteur Dr, Stanford, CA 943052200

Phone: 6507234000

Stanford Health Care

170 Alameda De Las Pulgas, Redwood City, CA 940622751

Phone: 6503695811

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Prista Charuworn , MD

Internal Medicine - Gastroenterology

NPI 1003002221

Doctor of Medicine (M.D.)

Dr. Andrew Picel , MD

Radiology - Vascular & Interventional Radiology

NPI 1003012444

Doctor of Medicine (M.D.)

Dr. Matthew Wright , MD PHD

Psychiatry & Neurology - Psychiatry

NPI 1003041559

MDPHD

Dr. Quazi Al-Tariq , MD

Radiology - Diagnostic Radiology

NPI 1003059395

Doctor of Medicine (M.D.)

Angie Murkins , NP

Nurse Practitioner

NPI 1003061508

Nurse Practitioner

Dr. Jamshid Ghajar , MD PHD

Neurological Surgery

NPI 1003094384

MDPHD

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active September 19, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location September 19, 2016

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507253655)

📍

Updated Business Mailing Address September 19, 2016

Registered at 1804 EMBARCADERO RD, STE 100, PALO ALTO, CA 943033341 (Tel: 6507253655)

👤

Provider Name / Credentials Updated September 19, 2016

Recorded as JONATHAN CHEN, MD, PHD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 19, 2016

Internal Medicine (License #A122045 in CA)

🟢

Initial NPI Registration & Enumeration April 28, 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: 1619268372

Entity Type:

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

Enumeration Date: April 28, 2011

Last Update: September 19, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1804 Embarcadero Rd, Ste 100

Palo Alto, CA 943033341

Phone: 6507253655

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.