MR. GHAROON PANAHI MD
NPI 1912956053
Internal Medicine - Rheumatology in Fountain Valley, CA

Q: What is Gharoon Panahi's NPI number?

The NPI number for Gharoon Panahi is 1912956053. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Q: What is Gharoon Panahi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Gharoon Panahi was last updated on November 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 08, 2006PECOS EnrolledAccepts Medicare Assignment

21.54/100

CMS Quality Rating

11180 WARNER AVE #157, FOUNTAIN VALLEY, CA 92708(714) 825-0891(714) 825-1641 Get Directions Write a Review

NPPES record last updated: November 18, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Mr. Gharoon Panahi Md NPPES

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

MR. GHAROON PANAHI MD (NPI 1912956053) is an individual rheumatology provider in Fountain Valley, California, licensed in California (A34894) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1970).

NPPES Registry Identity

NPI1912956053

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameMR. GHAROON PANAHICredential: MD

Location Address11180 WARNER AVE #157Fountain Valley, CA 92708

Mailing Address11180 Warner Ave #157Fountain Valley, CA 92708 · (714) 825-0891 · Fax (714) 825-1641

Phone(714) 825-0891

Fax(714) 825-1641

Sole ProprietorNo

Medical School CMSOtherGraduated 1970

Enumeration DateMay 8, 2006

Last NPPES UpdateNovember 18, 2016

✔ NPI 1912956053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · A34894

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Other Identifiers 3

Medicare UPINA27621

Medicare ID-Type UnspecifiedA34894CA

Medicaid00A348940CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Gharoon Panahi Md 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 ID42345001

PECOS Enrollment IDI20100316000262

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.

Medicare Billing Reassignment

Medicare enrollment records show Gharoon Panahi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gharoon Panahi MD Inc

Rheumatology

11180 WARNER AVE STE 157
Fountain Valley, CA 92708

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1174774905 (714) 825-0891

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

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.

Injection, tocilizumab, 1 mg J3262

Tocilizumab is a medication administered via injection. It's used to treat certain conditions like rheumatoid arthritis by reducing inflammation in the body. It works by blocking a substance in the body that leads to inflammation.

54,840 services18 patients

Injection, golimumab, 1 mg, for intravenous use J1602

Golimumab is a medication given through an IV (a small tube in your vein). It helps to reduce inflammation and pain by blocking a protein in your body that causes inflammation. It's often used to treat conditions like rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis.

10,000 services19 patients

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.

874 services276 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

292 services75 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

216 services39 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

205 services76 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

135 services45 patients

Injection, methotrexate sodium, 50 mg J9260

Methotrexate sodium, 50 mg, is a medication often used to treat certain types of cancer or to control severe psoriasis or rheumatoid arthritis. It works by slowing the growth of cancer cells and suppressing the immune system.

121 services39 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

119 services82 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.

57 services57 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

45 services13 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

27 services23 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

22 services15 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

17 services11 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

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.

21.54/100

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

Individually scored

Quality

Improvement Activities

Cost

71.82

Referred Medical Equipment & Supplies CMS DME claims

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

8 suppliers17 claims30 services$6.59 avg. paid by Medicare

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

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 Gharoon Panahi's NPI number?

The NPI number for Gharoon Panahi is 1912956053. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is Gharoon Panahi located?

Gharoon Panahi practices at 11180 Warner Ave #157, Fountain Valley, CA 92708. The listed phone number is (714) 825-0891.

What is Gharoon Panahi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Gharoon Panahi enrolled in Medicare?

Yes. Gharoon Panahi 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.

Which organization bills Medicare for Gharoon Panahi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gharoon Panahi reassigns Medicare benefits to Gharoon Panahi MD Inc (Fountain Valley, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gharoon Panahi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gharoon Panahi was last updated on November 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.