DR. SHIMA GHAVIMI M.D.
NPI 1811316458
Internal Medicine - Gastroenterology in Corona, CA

Active since April 10, 2014PECOS Enrolled
2097 COMPTON AVE STE 103, CORONA, CA 92881(951) 934-0505 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 28, 2026, Aug 23, 2023, Jan 20, 2023 and 8 more (11 updates tracked since 2018).

About Dr. Shima Ghavimi M.d. NPPES

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

DR. SHIMA GHAVIMI M.D. (NPI 1811316458) is an individual gastroenterology provider in Corona, California, licensed in California (C208749) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Allen Hospital, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1811316458
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. SHIMA GHAVIMICredential: M.D.
Location Address2097 COMPTON AVE STE 103Corona, CA 92881-7289
Mailing Address1015 S Hackett RdWaterloo, IA 50701-3500 · (319) 234-5990
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateApril 10, 2014
Last NPPES UpdateAugust 28, 202611 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
✔ NPI 1811316458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CA · C208749✔ Licensed in IA · MD-50743✔ Licensed in WV · 29355✔ Licensed in NJ · 25MA10563700
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 29355 (WV), C208749 (CA), 25MA10563700 (NJ)
Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X · License C208749 (CA), 29355 (WV), MD-50743 (IA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 25MA10563700 (NJ)
2097 COMPTON AVE STE 103, Corona, CA 92881

Secondary Practice Locations 4

Location 11249 15th St Ste 3000Huntington, WV 25701-3663 · Phone (304) 691-1000
Location 22041 Georgia Avenue NWWashangton, DC 20060 · Phone (202) 865-1920 · Fax (202) 865-7199
Location 31015 S Hackett RdWaterloo, IA 50701 · Phone (319) 234-5990
Location 4185 south orange streetnewark, NJ 07103-0710 · Phone (202) 480-3808

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Shima Ghavimi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3577852193
PECOS Enrollment IDI20230628002054
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 Shima Ghavimi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Women's Health
233 VOLD DR
Waterloo, IA 50703
  • Reassigned Medicare billing, Iowa enrollment
  • 273 clinicians in this Medicare group

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 10

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.
117 services87 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
102 services98 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
101 services92 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.
93 services93 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
66 services64 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
48 services48 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Allen Hospital

Acute Care Hospitals · Waterloo, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160110
Location1825 Logan AvenueWaterloo, IA 50703 · Black Hawk County
Emergency services Birthing friendly

Community Memorial Hospital Medical Center

Critical Access Hospitals · Sumner, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number161320
Location909 West First StreetSumner, IA 50674 · Bremer County
Emergency services

Buchanan County Health Center

Critical Access Hospitals · Independence, IA
OwnershipGovernment - Local
CMS Certification Number161335
Location1600 First St EastIndependence, IA 50644 · Buchanan County
Emergency services

Waverly Health Center

Critical Access Hospitals · Waverly, IA
OwnershipGovernment - Local
CMS Certification Number161339
Location312 9th Street SWWaverly, IA 50677 · Bremer County
Emergency services Birthing friendly

Floyd County Medical Center

Critical Access Hospitals · Charles City, IA
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number161347
Location800 11th StCharles City, IA 50616 · Floyd County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92881 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

Other Providers at the Same Location NPPES 7

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

Internal Medicine (Gastroenterology)
2097 COMPTON AVE STE 103
CORONA, CA 92881
Physician Assistant (Medical)
2097 COMPTON AVE STE 103
CORONA, CA 92881
Internal Medicine (Gastroenterology)
2097 COMPTON AVE STE 103
CORONA, CA 92881
Physician Assistant
2097 COMPTON AVE STE 103
CORONA, CA 92881
Internal Medicine (Gastroenterology)
2097 COMPTON AVE STE 103
CORONA, CA 92881
Physician Assistant
2097 COMPTON AVE STE 103
CORONA, CA 92881
Nurse Practitioner (Family)
2097 COMPTON AVE STE 103
CORONA, CA 92881

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 Shima Ghavimi's NPI number?

The NPI number for Shima Ghavimi is 1811316458. It was assigned to this individual provider in the NPPES registry on April 10, 2014.

Where is Shima Ghavimi located?

Shima Ghavimi practices at 2097 Compton Ave Ste 103, Corona, CA 92881. The listed phone number is (951) 934-0505.

What is Shima Ghavimi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Shima Ghavimi enrolled in Medicare?

Yes. Shima Ghavimi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Shima Ghavimi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shima Ghavimi reassigns Medicare benefits to Allen Memorial Hospital Corporation (Waterloo, IA). 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 Shima Ghavimi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shima Ghavimi accept?

Health plans from CareSource list Shima Ghavimi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Shima Ghavimi affiliated with any hospitals?

According to CMS data, Shima Ghavimi is affiliated with Allen Hospital, Community Memorial Hospital Medical Center, Buchanan County Health Center, Waverly Health Center and Floyd County Medical Center.

When was this NPI record last updated?

The NPPES record for Shima Ghavimi was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.