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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JONATHAN WELT
NPI 1316683964
Anesthesiology in Orange, CA

Active since May 06, 2022PECOS Enrolled
3800 W CHAPMAN AVE STE 7300, ORANGE, CA 92868(714) 456-7890 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 13, 2026, May 19, 2022, May 6, 2022 (3 updates tracked since 2022).

About Jonathan Welt NPPES

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

JONATHAN WELT (NPI 1316683964) is an individual anesthesiology provider in Orange, California, licensed in California (A190056) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Long Beach.

NPPES Registry Identity

NPI1316683964
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJONATHAN WELT
Location Address3800 W CHAPMAN AVE STE 7300Orange, CA 92868-1638
Mailing AddressFile Number 54701Los Angeles, CA 90074-0001 · (909) 558-4000
Phone(714) 456-7890
Sole ProprietorNo
Enumeration DateMay 6, 2022
Last NPPES UpdateOctober 13, 20263 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1316683964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A190056
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.
3800 W CHAPMAN AVE STE 7300, Orange, CA 92868
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Secondary Practice Location 1

Location 15901 E 7th St Bldg 150Long Beach, CA 90822-5201 · Phone (562) 826-8000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jonathan Welt is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES 15

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

TING HSUAN CHIANG MD
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (714) 456-7890
JALIN ROBERSON
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (714) 456-7890
LINH LE
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (714) 456-5501
WILLIAM MITCHELL MD
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (714) 456-5501
BRANDON SO MD
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (253) 394-1507
DANIEL DESMOND STEVENS MD
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (714) 456-7890
SHAFEEN SAIF QAZI
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (714) 456-5501
BILL HUM
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 7300
ORANGE, CA 92868
Orange County (714) 456-5501

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 Jonathan Welt's NPI number?

The NPI number for Jonathan Welt is 1316683964. It was assigned to this individual provider in the NPPES registry on May 6, 2022.

Where is Jonathan Welt located?

Jonathan Welt practices at 3800 W Chapman Ave Ste 7300, Orange, CA 92868. The listed phone number is (714) 456-7890.

What is Jonathan Welt's specialty?

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

Is Jonathan Welt enrolled in Medicare?

Yes. Jonathan Welt is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jonathan Welt was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.