DR. JOHNNY C. CHEN M.D.
NPI 1225286479
Anesthesiology in Santa Maria, CA

Q: What is Johnny Chen's NPI number?

The NPI number for Johnny Chen is 1225286479. It was assigned to this individual provider in the NPPES registry on August 29, 2008.

Q: What is Johnny Chen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Johnny Chen was last updated on February 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 August 29, 2008PECOS EnrolledAccepts Medicare Assignment

1400 E CHURCH ST, MARIAN REGIONAL MEDICAL CENTER DEPT OF ANESTHESIOLOGY, SANTA MARIA, CA 93454(803) 739-3000(805) 739-3716 Get Directions Write a Review

NPPES record last updated: February 26, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Johnny C. Chen M.d. NPPES

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

DR. JOHNNY C. CHEN M.D. (NPI 1225286479) is an individual anesthesiology provider in Santa Maria, California, licensed in California (A106527) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2006).

NPPES Registry Identity

NPI1225286479

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. JOHNNY C. CHENCredential: M.D.

Location Address1400 E CHURCH ST, MARIAN REGIONAL MEDICAL CENTER DEPT OF ANESTHESIOLOGYSanta Maria, CA 93454-5906

Mailing Address937 E Main St, Suite 201Santa Maria, CA 93454-5909 · (805) 922-1739 · Fax (805) 922-4197

Phone(803) 739-3000

Fax(805) 739-3716

Sole ProprietorYes

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2006

Enumeration DateAugust 29, 2008

Last NPPES UpdateFebruary 26, 2014

✔ NPI 1225286479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A106527

Definition

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.

1400 E CHURCH ST, Santa Maria, CA 93454

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Other Identifiers 6

Other00A1065270CA · Blue Shield Federal

Medicaid1225286479CA

Medicare PINFJ915ZCA

Other0A1065270CA · Blue Shield Of Ca

Other1225286479CA · Tricare

Other1225286479CA · Blue Cross Of Ca

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

Dr. Johnny C. Chen 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 ID143491076

PECOS Enrollment IDI20110926000062

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 Johnny Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesia Medical Group Of Santa Maria Inc

Same address

Anesthesiology

1400 E CHURCH ST
Santa Maria, CA 93454

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

NPI 1225024284 (805) 739-3759

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 3

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.

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

18 services18 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

17 services17 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

11 services11 patients

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.

MR. JORDAN RYAN WILLIAMS PA-C

Physician Assistant

1400 E CHURCH ST
SANTA MARIA, CA 93454

Santa Barbara County (805) 739-3000

KATELYN YARNOLD LCSW

Social Worker

1400 E CHURCH ST
SANTA MARIA, CA 93454

Santa Barbara County (805) 739-3000

KENTON JONES DO, MS

Student in an Organized Health Care Education/Training Program

1400 E CHURCH ST
SANTA MARIA, CA 93454

Santa Barbara County (805) 739-3000

ERICA CHENG LIU PA-C

Physician Assistant

1400 E CHURCH ST
SANTA MARIA, CA 93454

Santa Barbara County (855) 980-3683

DR. JAMES W JONES M.D.

Internal Medicine (Nephrology)

1400 E CHURCH ST, BUILDING 8
SANTA MARIA, CA 93454

Santa Barbara County (805) 739-3561

DR. YOSEF DIAB MD

Internal Medicine

1400 E CHURCH ST
SANTA MARIA, CA 93454

Santa Barbara County (805) 475-3640

DR. DAVID ALOYSIUS KETELAAR M.D.

Emergency Medicine

1400 E CHURCH ST
SANTA MARIA, CA 93454

Santa Barbara County (805) 739-3200

DR. DEBRA LYNN WEINSTEIN M.D.

Emergency Medicine

1400 E CHURCH ST
SANTA MARIA, CA 93454

Santa Barbara County (805) 739-3200

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 Johnny Chen's NPI number?

The NPI number for Johnny Chen is 1225286479. It was assigned to this individual provider in the NPPES registry on August 29, 2008.

Where is Johnny Chen located?

Johnny Chen practices at 1400 E Church St Marian Regional Medical Center Dept Of Anesthesiology, Santa Maria, CA 93454. The listed phone number is (803) 739-3000.

What is Johnny Chen's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Johnny Chen enrolled in Medicare?

Yes. Johnny Chen 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 Johnny Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Johnny Chen reassigns Medicare benefits to Anesthesia Medical Group Of Santa Maria Inc (Santa Maria, 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 Johnny Chen'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 Johnny Chen was last updated on February 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.