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

TENNILLE GREENFIELD PA-C
NPI 1265640734
Physician Assistant - Surgical in Irvine, CA

Q: What is Tennille Greenfield's NPI number?

The NPI number for Tennille Greenfield is 1265640734. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Q: What is Tennille Greenfield's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Active since May 18, 2007PECOS EnrolledAccepts Medicare Assignment

113 WATERWORKS WAY STE 240, IRVINE, CA 92618(949) 340-9622(949) 528-3969 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 2, 2021, Nov 14, 2019, Jan 30, 2019 and 1 more (4 updates tracked since 2017).

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About Tennille Greenfield Pa-c NPPES

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

TENNILLE GREENFIELD PA-C (NPI 1265640734) is an individual surgical provider in Irvine, California, licensed in California (PA17945) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1265640734

Entity TypeIndividualFemale

Primary Taxonomy363AS0400X

Provider Legal NameTENNILLE GREENFIELDCredential: PA-C

Location Address113 WATERWORKS WAY STE 240Irvine, CA 92618-3175

Mailing Address113 Waterworks Way Ste 240Irvine, CA 92618-3175 · (949) 340-9622 · Fax (949) 528-3969

Phone(949) 340-9622

Fax(949) 528-3969

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateMay 18, 2007

Last NPPES UpdateJune 17, 20264 updates tracked since enumeration

NPPES CertifiedJune 17, 2026

✔ NPI 1265640734 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in CA · PA17945

Also ListedPhysician AssistantTaxonomy 363A00000X · License PA17945 (CA)

113 WATERWORKS WAY STE 240, Irvine, CA 92618

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Other Identifiers 1

OtherPA17945CA · License

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

Tennille Greenfield Pa-c 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 ID9537223482

PECOS Enrollment IDI20090122000008

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 7

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

ERIC LON LIN MD

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)