DR. MEHRDAD KARIMI M.D.
NPI 1528694403
Internal Medicine in Chico, CA

Q: What is Mehrdad Karimi's NPI number?

The NPI number for Mehrdad Karimi is 1528694403. It was assigned to this individual provider in the NPPES registry on March 23, 2020.

Q: What is Mehrdad Karimi's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Mehrdad Karimi was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since March 23, 2020PECOS EnrolledAccepts Medicare Assignment

1531 ESPLANADE, CHICO, CA 95926(530) 896-7456 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 4, 2025, Mar 23, 2020 (2 updates tracked since 2020).

On this page

About Dr. Mehrdad Karimi M.d. NPPES

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

DR. MEHRDAD KARIMI M.D. (NPI 1528694403) is an individual internal medicine provider in Chico, California, licensed in California (A184810) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1528694403

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MEHRDAD KARIMICredential: M.D.

Location Address1531 ESPLANADEChico, CA 95926-3310

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185

Phone(530) 896-7456

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateMarch 23, 2020

Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration

NPPES CertifiedDecember 4, 2025

✔ NPI 1528694403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A184810

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License A184810 (CA)

1531 ESPLANADE, Chico, CA 95926

Open in Google Maps ↗

Secondary Practice Locations 2

Location 11000 FivepointIrvine, CA 92618-2621 · Phone (800) 826-4673

Location 21500 Duarte RdDuarte, CA 91010-3012 · Phone (800) 826-4673

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

Dr. Mehrdad Karimi M.d. 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 ID6608219332

PECOS Enrollment IDI20240208004016

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 8

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

902 services362 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

622 services287 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

443 services428 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

382 services372 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

138 services73 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

71 services67 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95926 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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 20

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

AMY MICHELI FNP

Nurse Practitioner (Family)

1531 ESPLANADE
CHICO, CA 95926

Butte County (530) 332-5540

KELLEEN GALLI RN

Nurse Practitioner (Family)

1531 ESPLANADE
CHICO, CA 95926

Butte County (530) 332-7300

OLSA HAHN FNP

Nurse Practitioner

1531 ESPLANADE
CHICO, CA 95926

Butte County (530) 332-7300

BRIAN THOMAS COURTNEY M.D.

Internal Medicine (Infectious Disease)

1531 ESPLANADE
CHICO, CA 95926

Butte County (530) 896-7455

NORTH STATE RADIOLOGY MEDICAL GROUP INC

Radiology (Diagnostic Radiology)

1531 ESPLANADE
CHICO, CA 95926

Butte County (530) 898-0504

MR. VICTOR HALL WERLHOF MD

Specialist

1531 ESPLANADE
CHICO, CA 95926

Butte County (530) 332-7330

DR. MEIR MARMOR M.D.

Orthopaedic Surgery (Orthopaedic Trauma)

1531 ESPLANADE, ORTHO/TRAUMA DEPARTMENT
CHICO, CA 95926

Butte County (530) 332-4470

KATHRINE ANN THOMAS NURSE PRACTITIONER

Nurse Practitioner (Family)

1531 ESPLANADE
CHICO, CA 95926

Butte County (530) 332-7061

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 Mehrdad Karimi's NPI number?

The NPI number for Mehrdad Karimi is 1528694403. It was assigned to this individual provider in the NPPES registry on March 23, 2020.

Where is Mehrdad Karimi located?

Mehrdad Karimi practices at 1531 Esplanade, Chico, CA 95926. The listed phone number is (530) 896-7456.

What is Mehrdad Karimi's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mehrdad Karimi enrolled in Medicare?

Yes. Mehrdad Karimi 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 Mehrdad Karimi was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.