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Active NPI 1831144583 Individual Practitioner Male Practitioner

Dr. Robert Charles Mackersie , MD

Surgery • San Francisco, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Mackersie, MD is a certified Surgery practicing in San Francisco, CA. With approximately 48 years of clinical experience since graduating from Michigan State University College Of Human Medicine in 1978, Dr. Mackersie delivers high-quality medical care to the local community at 1001 POTRERO AVE.

Dr. Mackersie is affiliated with University Of California Sfgh Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include critical care, first, subsequent hospital care with moderate levelof 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

1001 Potrero Ave
Rm 3a37

San Francisco, CA 941103518

Telephone 4152064634
Fax 4152065484
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Michigan State University College Of Human Medicine

Graduation Year

1978

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in San Francisco, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
48 Yrs +24.4 yrs vs City Avg
City Avg: 23.6 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
207 Specialists

Practicing in San Francisco, CA (3346 Statewide)

Telehealth Adoption Rate
19.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
75.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mackersie (48 Years) 48 Yrs
San Francisco Specialty Average (23.6 Years) 23.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99291 Critical care, first 30-74 minutes
31 17 $1004.97 $246.65
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
29 17 $470.00 $118.57

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A34587

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

State License CA A34587

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00A345870 (CA)

Hospital & Practice Group Affiliations

University Of California Sfgh Medical Group

1001 Potrero Ave, San Francisco, CA 941103518

Phone: 4152064632

Practice Associates & Co-Workers

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

7 Associated Practitioners
Dr. Arthur Hill , MD

Surgery - Surgical Critical Care

NPI 1184682486

Doctor of Medicine (M.D.)

NPI 1306891064

Doctor of Medicine (M.D.)

NPI 1558756080

Doctor of Medicine (M.D.)

NPI 1578516373

Doctor of Medicine (M.D.)

Dr. William Schecter , MD

Surgery - Surgical Critical Care

NPI 1679528327

Doctor of Medicine (M.D.)

Dr. Timothy Browder , MD

Surgery - Surgical Critical Care

NPI 1710965462

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 July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1001 POTRERO AVE, RM 3A37, SAN FRANCISCO, CA 941103518 (Tel: 4152064634)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 7464, SAN FRANCISCO, CA 941207464 (Tel: 4152063103)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as ROBERT MACKERSIE, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #A34587 in CA)

🟢
Initial NPI Registration & Enumeration May 23, 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: 1831144583
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 23, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

Po Box 7464

San Francisco, CA 941207464

Phone: 4152063103

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.