Active NPI 1568417152 Individual Practitioner Male Practitioner

Dr. Mark T. Chen , DO

Anesthesiology • Upland, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Chen, DO is a certified Anesthesiology practicing in Upland, CA. With approximately 41 years of clinical experience since completing medical education in 1985, Dr. Chen delivers high-quality medical care to the local community at 999 SAN BERNARDINO RD.

Dr. Chen is affiliated with Allied Anesthesia Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection of substance into lower spine canal, anesthesia for procedure in upper abdomen including use of an endoscope, ultrasonic guidance imaging supervision and interpretation for insertion of needle. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

999 San Bernardino Rd

Upland, CA 917864920

Telephone 9099204851

Associated Practice Facility / Clinic

🏢 San Antonio Regional Hospital Facility NPI 1780681189

Medicare Profile & Education

Medical School

Other

Graduation Year

1985

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Upland, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +5.4 yrs vs City Avg

City Avg: 35.6 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

25 Specialists

Practicing in Upland, CA (7879 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

88.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (41 Years) 41 Yrs

Upland Specialty Average (35.6 Years) 35.6 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
62322 Injection of substance into lower spine canal	14	14	$1120.00	$80.36
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	13	13	$2380.00	$339.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	15	15	$264.00	$32.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	18	18	$1834.89	$323.45
01844 Anesthesia for placement or revision of blood flow shunt	13	13	$1560.62	$269.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	128	119	$445.72	$107.43
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	123	118	$110.76	$32.55
01830 Anesthesia for open or endoscopic procedure on bones of forearm, wrist, or hand	70	70	$621.35	$151.35
64417 Injection of anesthetic agent and/or steroid into upper arm and shoulder nerve (axillary nerve)	52	51	$612.00	$72.03
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	19	19	$712.42	$66.75
01630 Anesthesia for open or endoscopic procedure at upper arm and shoulder joint including	14	14	$1189.00	$281.17
01400 Anesthesia for other procedure or exam of knee joint using an endoscope	11	11	$715.62	$156.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	196	184	$136.00	$32.06
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	117	109	$445.39	$116.94
01830 Anesthesia for open or endoscopic procedure on bones of forearm, wrist, or hand	43	42	$604.32	$160.19
00145 Anesthesia for retinal surgery	32	32	$791.81	$209.89
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	27	26	$624.00	$62.73
01630 Anesthesia for open or endoscopic procedure at upper arm and shoulder joint including	17	17	$977.25	$248.11
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	15	15	$682.24	$172.00
01400 Anesthesia for other procedure or exam of knee joint using an endoscope	15	15	$661.47	$175.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	146	142	$136.00	$32.09
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand	71	69	$405.45	$107.76
64415 Injection of anesthetic agent, brachial (arm) nerve bundle	59	57	$624.00	$55.74
01830 Anesthesia for open or endoscopic procedure on bones of forearm, wrist, or hand	34	33	$600.66	$161.36
01400 Anesthesia for other procedure or exam of knee joint using an endoscope	26	26	$620.09	$166.90
64417 Injection of anesthetic agent and/or steroid into upper arm and shoulder nerve (axillary nerve)	21	21	$624.00	$69.87
01630 Anesthesia for open or endoscopic procedure at upper arm and shoulder joint including	18	18	$882.01	$238.35
00145 Anesthesia for retinal surgery	17	17	$743.27	$186.80
01710 Anesthesia for procedure on nerves, muscles, tendons, fascia, and bursae of upper arm and elbow	14	14	$461.31	$123.92

Medical Specialties & State Licenses

CMS Verified: 2020-01-31

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License CA 20A5641

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1106921 (WA)

Hospital & Practice Group Affiliations

Allied Anesthesia Medical Group Inc

999 San Bernardino Rd, Upland, CA 917864920

Phone: 9099852811

Practice Associates & Co-Workers

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

10 Associated Practitioners

Dr. Dale Davis , MD

Anesthesiology

NPI 1184652505

Doctor of Medicine (M.D.)

Dr. George Cheng , MD

Anesthesiology

NPI 1316981855

Doctor of Medicine (M.D.)

Dr. Russell Dorado , MD

Anesthesiology

NPI 1316982507

Doctor of Medicine (M.D.)

Dr. Caleb Chu , MD

Anesthesiology

NPI 1447291836

Doctor of Medicine (M.D.)

Dr. Karen Gan , MD

Anesthesiology

NPI 1558303800

Doctor of Medicine (M.D.)

Dr. John Grasso , MD

Anesthesiology

NPI 1710921127

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location January 31, 2020

Registered at 999 SAN BERNARDINO RD, UPLAND, CA 917864920 (Tel: 9099204851)

📍

Updated Business Mailing Address January 31, 2020

Registered at PO BOX 1628, ORANGE, CA 928560628 (Tel: 7145601580)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 31, 2020

Anesthesiology (License #20A5641 in CA)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1096 GOETHALS DR, RICHLAND, WA 993523303 (Tel: 5099439700)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 34940, SEATTLE, WA 981241940 (Tel: 5033722740)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MARK CHEN, DO

🎓

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

Anesthesiology (License #OP00001215 in WA)

🟢

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: 1568417152

Entity Type:

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

Enumeration Date: May 23, 2006

Last Update: January 31, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 1628

Orange, CA 928560628

Phone: 7145601580

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.