Active NPI 1720092679 Individual Practitioner Male Practitioner

Dr. Andreas M. Kaiser , MD

Colon & Rectal Surgery • Duarte, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Andreas Kaiser, MD is a certified Colon & Rectal Surgery practicing in Duarte, CA. With approximately 38 years of clinical experience since completing medical education in 1988, Dr. Kaiser delivers high-quality medical care to the local community at 1500 DUARTE RD.

Dr. Kaiser is affiliated with City Of Hope Medical Foundation 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, new patient outpatient office visit, diagnostic exam of lower portion of large bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1500 Duarte Rd

Duarte, CA 910103012

Telephone 6262564673

Associated Practice Facility / Clinic

🏢 City Of Hope National Medical Center Facility NPI 1750358297

Medicare Profile & Education

Medical School

Other

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Duarte, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs -4.0 yrs vs City Avg

City Avg: 42.0 Yrs

State Avg: 25.1 Yrs

Regional Practice Density

2 Specialists

Practicing in Duarte, CA (205 Statewide)

Telehealth Adoption Rate

100.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

76.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kaiser (38 Years) 38 Yrs

Duarte Specialty Average (42.0 Years) 42.0 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	148	93	$256.00	$132.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	146	103	$256.00	$103.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	98	75	$380.00	$154.37
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	65	65	$557.00	$188.49
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	48	43	$392.86	$58.94
45378 Diagnostic exam of large bowel using a flexible endoscope	35	35	$1402.00	$195.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$451.00	$142.10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	32	17	$288.69	$83.81
45380 Biopsy of large bowel using an endoscope	18	18	$1577.00	$168.65
49905 Repair of abdomen using abdominal lining graft	18	18	$1756.00	$361.41
45331 Biopsy of lower large bowel using a flexible endoscope	14	13	$519.00	$69.59
44205 Partial removal of small and large bowel with attachment of small and large bowel using an endoscope	11	11	$5137.45	$1401.12

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	200	129	$256.00	$102.89
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	101	72	$380.00	$151.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	90	76	$256.00	$102.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$451.00	$138.46
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	57	57	$557.00	$185.58
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	49	40	$397.00	$59.25
45378 Diagnostic exam of large bowel using a flexible endoscope	31	31	$1402.00	$189.54
45380 Biopsy of large bowel using an endoscope	20	20	$1577.00	$165.77
49905 Repair of abdomen using abdominal lining graft	20	20	$1756.00	$359.84
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	11	11	$2153.00	$235.19
44625 Closure of large or small bowel opening with bowel removal and reattachment	11	11	$3656.31	$958.48

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	238	138	$256.00	$105.23
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	75	61	$380.00	$154.52
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	69	69	$557.00	$195.86
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	42	37	$397.00	$59.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$451.00	$145.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	14	$193.00	$75.62
45378 Diagnostic exam of large bowel using a flexible endoscope	21	21	$1402.00	$197.53
49905 Repair of abdomen using abdominal lining graft	13	13	$1756.00	$370.55
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$167.00	$71.77
44386 Biopsy of small bowel using an endoscope	11	11	$637.00	$95.90

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	199	115	$256.00	$107.79
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	67	59	$380.00	$157.42
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	58	58	$557.00	$200.39
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	46	39	$397.00	$59.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$451.00	$147.42
49905 Repair of abdomen using abdominal lining graft	23	23	$1698.74	$365.06
99443 Telephone medical discussion with physician, 21-30 minutes	22	17	$256.00	$108.36
15860 Injection of agent into vein to assess blood flow of skin graft or flap	19	19	$420.00	$57.47
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	15	$193.00	$77.21
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$1402.00	$190.84
99213 Established patient office or other outpatient visit, typically 15 minutes	16	16	$167.00	$73.00
44625 Closure of large or small bowel opening with bowel removal and reattachment	13	13	$2646.94	$971.11
45380 Biopsy of large bowel using an endoscope	12	11	$1577.00	$159.48

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	116	65	$256.00	$86.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$451.00	$141.14
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	21	$380.00	$121.38
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	24	24	$557.00	$184.47
49905 Repair of abdomen using abdominal lining graft	14	14	$1756.00	$385.24
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$167.00	$55.82
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$1348.08	$190.45

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	156	102	$285.58	$119.75
99213 Established patient office or other outpatient visit, typically 15 minutes	51	40	$186.47	$82.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$458.57	$180.16
45378 Diagnostic exam of large bowel using a flexible endoscope	31	29	$1480.00	$194.85
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	30	30	$534.00	$225.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	25	$400.52	$160.34
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	26	21	$510.00	$199.66
45380 Biopsy of large bowel using an endoscope	24	24	$1770.00	$183.85
46600 Diagnostic examination of the anus using an endoscope	20	17	$310.00	$110.51

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	125	89	$250.00	$118.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	64	64	$390.00	$178.90
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	42	42	$480.00	$224.30
99213 Established patient office or other outpatient visit, typically 15 minutes	41	32	$170.00	$80.32
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	36	31	$340.00	$158.65
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	31	29	$510.00	$194.60
45378 Diagnostic exam of large bowel using a flexible endoscope	28	28	$1480.00	$186.38
45380 Biopsy of large bowel using an endoscope	26	26	$1770.00	$179.53
46600 Diagnostic examination of the anus using an endoscope	18	17	$310.00	$102.32
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	12	11	$510.00	$49.42

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	113	85	$250.00	$117.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$390.00	$177.97
99213 Established patient office or other outpatient visit, typically 15 minutes	43	31	$170.00	$80.07
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$480.00	$223.29
45378 Diagnostic exam of large bowel using a flexible endoscope	26	26	$1480.00	$177.99
46600 Diagnostic examination of the anus using an endoscope	17	15	$310.00	$100.60
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	17	17	$510.00	$190.50
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	13	13	$510.00	$50.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$260.00	$118.11
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$340.00	$157.39
45380 Biopsy of large bowel using an endoscope	12	12	$1770.00	$178.67

Medical Specialties & State Licenses

CMS Verified: 2020-11-06

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License CA A81359

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Surgery

NUCC Taxonomy Code: 208600000X

State License CA A81359

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

City Of Hope Medical Foundation

209 Fair Oaks Ave, South Pasadena, CA 910301814

Phone: 6263962900

City Of Hope Medical Foundation

1500 Duarte Rd, Duarte, CA 910103012

Phone: 6262564673

City Of Hope Medical Foundation

1500 E Duarte Rd, Duarte, CA 910103012

City Of Hope Medical Foundation

1000 Fivepoint, Irvine, CA 926182377

Phone: 9496714673

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Sasan Fazeli , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1003235540

Doctor of Medicine (M.D.)

Dr. Terence Williams , MD

Radiology - Radiation Oncology

NPI 1003939133

Doctor of Medicine (M.D.)

Erica Chin , RN, NP, MS

Nurse Practitioner

NPI 1013140219

Registered Nurse, Nurse Practitioner, Master of Science

Dr. Mustafa Raoof , MD

Surgery - Surgical Oncology

NPI 1013155019

Doctor of Medicine (M.D.)

Dr. Edna Shenvi , MD

Surgery

NPI 1013178391

Doctor of Medicine (M.D.)

Dr. Winston Lee , MD, PhD

Pathology - Hematology

NPI 1013232859

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location January 21, 2020

Registered at 1500 DUARTE RD, DUARTE, CA 910103012 (Tel: 6262564673)

📍

Updated Business Mailing Address January 21, 2020

Registered at PO BOX 512185, LOS ANGELES, CA 900510185 (Tel: 6267753200)

✅

NPI Profile Active October 25, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location October 25, 2016

Registered at 1441 EASTLAKE AVE, SUITE 7418, LOS ANGELES, CA 900890112 (Tel: 3238653690)

📍

Updated Business Mailing Address October 25, 2016

Registered at PO BOX 31309, LOS ANGELES, CA 900310309 (Tel: 3238653690)

👤

Provider Name / Credentials Updated October 25, 2016

Recorded as ANDREAS KAISER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 25, 2016

Surgery (License #A81359 in CA)

🟢

Initial NPI Registration & Enumeration July 28, 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: 1720092679

Entity Type:

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

Enumeration Date: July 28, 2006

Last Update: November 06, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 512185

Los Angeles, CA 900510185

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.