Active NPI 1003872870 Individual Practitioner Male Practitioner

Dr. Malcolm D John , MD

Internal Medicine • San Francisco, CA

✓ Accepts Medicare Assignment Telehealth Available

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Malcolm John, MD is a registered Internal Medicine practitioner in San Francisco, CA. With approximately 32 years of clinical practice since graduating from Harvard Medical School in 1994, Dr. John provides healthcare services at the registered practice location at 400 PARNASSUS AVE.

Dr. John maintains professional affiliations with Ucsf Medical Group Business Services, University Of California San Francisco, Regents Of The University Of California and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service;. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

400 Parnassus Ave

San Francisco, CA 941432202

Telephone 4153532119

Fax 4153532406

Associated Practice Facility / Clinic

🏢 University Of California San Francisco Facility NPI 1164512851

Medicare Profile & Education

Medical School

Harvard Medical School

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in San Francisco, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +11.2 yrs vs City Avg

City Avg: 20.8 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

1374 Specialists

Practicing in San Francisco, CA (18502 Statewide)

Telehealth Adoption Rate

21.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

78.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. John (32 Years) 32 Yrs

San Francisco Specialty Average (20.8 Years) 20.8 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
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	71	38	$773.00	$161.04
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	29	18	$560.97	$132.18
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or	22	16	$160.00	$35.05
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	12	$390.00	$87.57
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$735.92	$144.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	66	39	$773.00	$157.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$577.00	$109.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	77	40	$773.00	$161.23
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	24	17	$551.00	$113.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	18	$1067.00	$219.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	11	$577.00	$105.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	71	34	$773.00	$163.50
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	35	$378.68	$80.27
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	43	30	$546.23	$115.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	39	$1052.18	$223.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	20	$577.00	$112.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	50	33	$773.00	$126.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	23	$577.00	$89.56
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	15	$1033.00	$227.69
99443 Telephone medical discussion with physician, 21-30 minutes	14	11	$183.00	$89.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	85	43	$773.00	$124.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	32	$577.00	$86.99
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	15	$371.00	$81.67
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$1033.00	$227.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$694.00	$153.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	95	50	$727.57	$120.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	29	$542.50	$83.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$978.00	$219.17
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	11	$502.35	$112.79
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	11	$187.19	$42.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	100	57	$693.90	$123.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	69	44	$520.59	$88.47
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	22	13	$476.00	$113.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$923.38	$227.02

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA G84379

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.

Internal Medicine - Infectious Disease

NUCC Taxonomy Code: 207RI0200X

State License CA G84379

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00G843790 (CA)

Hospital & Practice Group Affiliations

Ucsf Medical Group Business Services

400 Parnassus Ave, San Francisco, CA 941432202

Phone: 4154761000

Regents Of The University Of California

505 Parnassus Ave, San Francisco, CA 941432204

Phone: 4154764029

University Of California San Francisco

400 Parnassus Ave, San Francisco, CA 941430810

Phone: 4154761000

Practice Associates & Co-Workers

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

16 Associated Practitioners

Kevin Miles , NP

Nurse Practitioner - Adult Health

NPI 1053860866

Nurse Practitioner

Dr. Suzanne Noble , MD

Internal Medicine - Infectious Disease

NPI 1104871219

Doctor of Medicine (M.D.)

Michelle Cohen , FNP

Nurse Practitioner - Family

NPI 1124578901

Family Nurse Practitioner

Cherry Leung , NP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1154533487

Nurse Practitioner

Dr. David Lim , MD PHD

General Acute Care Hospital

NPI 1235340308

MDPHD

Dianne Georgetti , NP

Nurse Practitioner - Gerontology

NPI 1306547757

Nurse Practitioner

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 30, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location July 30, 2008

Registered at 400 PARNASSUS AVE, SAN FRANCISCO, CA 941432202 (Tel: 4153532119)

📍

Updated Business Mailing Address July 30, 2008

Registered at 1635 DIVISADERO ST, STE 625, BOX 1821, SAN FRANCISCO, CA 941430001

👤

Provider Name / Credentials Updated July 30, 2008

Recorded as MALCOLM JOHN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 30, 2008

Internal Medicine (License #G84379 in CA)

🟢

Initial NPI Registration & Enumeration April 21, 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: 1003872870

Entity Type:

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

Enumeration Date: April 21, 2006

Last Update: July 30, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1635 Divisadero St, Ste 625, Box 1821

San Francisco, CA 941430001

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.