Active NPI 1154457091 Individual Practitioner Male Practitioner

Dr. Frederick M Dirbas , MD

Surgery • Palo Alto, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Frederick Dirbas, MD is a certified Surgery practicing in Palo Alto, CA. With approximately 41 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 1985, Dr. Dirbas delivers high-quality medical care to the local community at 300 PASTEUR DR.

Dr. Dirbas is affiliated with Stanford Health Care and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include partial removal of breast, established patient outpatient office visit, biopsy or removal of lymph nodes of under the arm, open procedure. 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

Palo Alto, CA 943042203

Telephone 6507234000

Associated Practice Facility / Clinic

🏢 Stanford Hospital And Clinics Facility NPI 1326205527

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

1985

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Palo Alto, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +17.8 yrs vs City Avg

City Avg: 23.2 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

71 Specialists

Practicing in Palo Alto, CA (3346 Statewide)

Telehealth Adoption Rate

50.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

64.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dirbas (41 Years) 41 Yrs

Palo Alto Specialty Average (23.2 Years) 23.2 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
19301 Partial removal of breast	36	32	$2329.22	$739.88
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	11	11	$197.91	$164.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	52	$61.96	$40.82
99213 Established patient office or other outpatient visit, typically 15 minutes	26	22	$130.23	$76.21
19301 Partial removal of breast	25	23	$2295.00	$741.43
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	17	17	$1718.00	$255.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	15	$302.25	$112.83
38900 Lymph node imaging during surgery	14	14	$688.00	$148.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	38	$132.24	$39.97
19301 Partial removal of breast	35	31	$2426.14	$781.69
99213 Established patient office or other outpatient visit, typically 15 minutes	30	26	$269.80	$74.56
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	20	20	$1614.00	$249.93
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$160.35	$56.13
38900 Lymph node imaging during surgery	17	17	$688.00	$143.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$138.13	$95.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$156.00	$112.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	28	$110.06	$39.02
19301 Partial removal of breast	19	16	$2415.79	$783.78
99213 Established patient office or other outpatient visit, typically 15 minutes	17	16	$73.00	$73.58
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	13	13	$1677.85	$287.26
38900 Lymph node imaging during surgery	12	12	$745.33	$158.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	35	$131.61	$29.71
99213 Established patient office or other outpatient visit, typically 15 minutes	22	18	$175.36	$59.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$201.88	$149.58
19301 Partial removal of breast	12	11	$2725.31	$824.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	69	62	$32.00	$28.94
99213 Established patient office or other outpatient visit, typically 15 minutes	31	27	$61.00	$58.13
19301 Partial removal of breast	27	23	$1909.98	$746.20
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$212.00	$190.67
38900 Lymph node imaging during surgery	18	18	$573.00	$149.57
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	16	16	$1345.38	$249.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$93.00	$89.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
19301 Partial removal of breast	48	37	$1558.33	$716.12
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	47	47	$212.00	$188.91
99213 Established patient office or other outpatient visit, typically 15 minutes	45	38	$72.11	$57.88
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	44	38	$32.00	$28.59
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	26	26	$1315.00	$268.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$93.00	$88.81
19125 Removal of breast growth, open procedure	16	16	$1939.06	$434.10
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	15	$130.00	$125.59
19303 Total removal of breast	14	14	$4469.79	$1174.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$152.00	$144.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	49	32	$85.67	$57.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	30	$32.00	$28.55
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	25	25	$349.76	$188.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	18	$160.64	$88.60
19301 Partial removal of breast	18	15	$1459.33	$682.92
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	12	12	$1392.92	$275.81

Medical Specialties & State Licenses

CMS Verified: 2024-04-28

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G58935

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.

Hospital & Practice Group Affiliations

Stanford Health Care

300 Pasteur Dr, Stanford, CA 943052200

Phone: 6507234000

Practice Associates & Co-Workers

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

40 Associated Practitioners

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

Dr. Yu Kuang Lai , MD

Internal Medicine - Critical Care Medicine

NPI 1003127846

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location April 28, 2024

Registered at 300 PASTEUR DR, PALO ALTO, CA 943042203 (Tel: 6507234000)

📍

Updated Business Mailing Address April 28, 2024

Registered at 300 PASTEUR DR, PALO ALTO, CA 943042203 (Tel: 6507234000)

✅

NPI Profile Active September 20, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location September 20, 2016

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507234000)

📍

Updated Business Mailing Address September 20, 2016

Registered at 1804 EMBARCADERO RD, STE 100, PALO ALTO, CA 943033341 (Tel: 6507234000)

👤

Provider Name / Credentials Updated September 20, 2016

Recorded as FREDERICK DIRBAS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 20, 2016

Surgery (License #G58935 in CA)

🟢

Initial NPI Registration & Enumeration February 26, 2007

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: 1154457091

Entity Type:

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

Enumeration Date: February 26, 2007

Last Update: April 28, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

300 Pasteur Dr

Palo Alto, CA 943042203

Phone: 6507234000

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.