HAMID R. RASSAI
NPI 1013013218
Surgery in Antioch, CA

Q: What is Hamid Rassai's NPI number?

The NPI number for Hamid Rassai is 1013013218. It was assigned to this individual provider in the NPPES registry on September 15, 2006.

Q: What is Hamid Rassai's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Hamid Rassai was last updated on June 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 15, 2006PECOS EnrolledAccepts Medicare Assignment

97.61/100

CMS Quality Rating

2350 COUNTRY HILLS DR STE A, ANTIOCH, CA 94509(925) 757-0800(925) 757-2160 Get Directions Write a Review

NPPES record last updated: June 3, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Hamid R. Rassai NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HAMID R. RASSAI (NPI 1013013218) is an individual surgery provider in Antioch, California, licensed in California (A060998) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Concord, and is a graduate of Medical College Of Pennsylvania (1995).

NPPES Registry Identity

NPI1013013218

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameHAMID R. RASSAI

Location Address2350 COUNTRY HILLS DR STE AAntioch, CA 94509-7436

Mailing Address2350 Country Hills Dr Ste AAntioch, CA 94509-7436 · (925) 757-0800 · Fax (925) 757-2160

Phone(925) 757-0800

Fax(925) 757-2160

Sole ProprietorNo

Medical School CMSMedical College Of PennsylvaniaGraduated 1995

Enumeration DateSeptember 15, 2006

Last NPPES UpdateJune 3, 2025

NPPES CertifiedJune 3, 2025

✔ NPI 1013013218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CA · A060998

Definition

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.

2350 COUNTRY HILLS DR STE A, Antioch, CA 94509

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Secondary Practice Location 1

Location 12222 East St Ste 300Concord, CA 94520-2066 · Phone (925) 682-7730

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hamid R. Rassai is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850498742

PECOS Enrollment IDI20070530000307

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

202 services38 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

181 services47 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

149 services71 patients

Chemical destruction of first incompetent vein of arm or leg using imaging guidance 36482

This procedure involves using a chemical to close off a malfunctioning vein in your arm or leg. Imaging guidance is used to accurately locate the vein. This helps improve blood flow by rerouting it through healthier veins.

129 services54 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

125 services108 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

104 services102 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

98 services79 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

93 services90 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

92 services92 patients

Management of oxygen chamber therapy 99183

Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.

79 services11 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

60 services56 patients

Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475

This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.

26 services14 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94509 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.61/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

77.7

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture

Lower rates are better for this measure.

0%48 patients

Breast Cancer Screening

68%188 patients3/55-star benchmark: 93%

Cervical Cancer Screening

53%162 patients3/55-star benchmark: 98%

Colorectal Cancer Screening

42%369 patients2/55-star benchmark: 88%

Controlling High Blood Pressure

66%213 patients3/55-star benchmark: 91%

Diabetes: Eye Exam

17%77 patients1/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

48%77 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

58%942 patients2/55-star benchmark: 100%

e-Prescribing

100%31 patients5/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

38%329 patients2/55-star benchmark: 100%

HIV Screening

24%318 patients2/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

38%614 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

23%470 patients1/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 80% · 302 patients

Patients screened: 83% · 302 patients

60%20 patients3/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%241 patients5/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

78%226 patients4/55-star benchmark: 91%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Pneumatic compressor, segmental home model without calibrated gradient pressure E0651

DME-Other DME · category DE000N

2 suppliers17 claims17 services$751.93 avg. paid by Medicare

Segmental pneumatic appliance for use with pneumatic compressor, full leg E0667

DME-Other DME · category DE000N

1 supplier16 claims32 services$311.54 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DENISE M. ROMERO M.D.

Orthopaedic Surgery

2350 COUNTRY HILLS DR STE A
ANTIOCH, CA 94509

Contra Costa County (925) 757-0800

PHILLIP WILLIE TAN POLIDO M.D

Surgery

2350 COUNTRY HILLS DR STE A
ANTIOCH, CA 94509

Contra Costa County (925) 757-0800

JONATHAN LUM CHIN MD

Urology

2350 COUNTRY HILLS DR STE A
ANTIOCH, CA 94509

Contra Costa County (925) 779-9097

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hamid Rassai's NPI number?

The NPI number for Hamid Rassai is 1013013218. It was assigned to this individual provider in the NPPES registry on September 15, 2006.

Where is Hamid Rassai located?

Hamid Rassai practices at 2350 Country Hills Dr Ste A, Antioch, CA 94509. The listed phone number is (925) 757-0800.

What is Hamid Rassai's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Hamid Rassai enrolled in Medicare?

Yes. Hamid Rassai is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Hamid Rassai was last updated on June 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.