DR. JOHN HOWARD GREENFIELD III M. D.
NPI 1861406506
Orthopaedic Surgery in Sacramento, CA

Q: What is John Greenfield's NPI number?

The NPI number for John Greenfield is 1861406506. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Q: What is John Greenfield's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for John Greenfield was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 July 28, 2006PECOS EnrolledAccepts Medicare Assignment

1201 ALHAMBRA BLVD STE 400, SACRAMENTO, CA 95816(916) 733-5098(916) 733-9814 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 7, 2026, Dec 20, 2021 (2 updates tracked since 2021).

On this page

About Dr. John Howard Greenfield Iii M. D. NPPES

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

DR. JOHN HOWARD GREENFIELD III M. D. (NPI 1861406506) is an individual orthopaedic surgery provider in Sacramento, California, licensed in California (A91052) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stockbridge, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2000).

NPPES Registry Identity

NPI1861406506

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. JOHN HOWARD GREENFIELD IIICredential: M. D.

Location Address1201 ALHAMBRA BLVD STE 400Sacramento, CA 95816-5243

Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071 · Fax (916) 854-6769

Phone(916) 733-5098

Fax(916) 733-9814

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2000

Enumeration DateJuly 28, 2006

Last NPPES UpdateMay 7, 20262 updates tracked since enumeration

NPPES CertifiedMay 7, 2026

✔ NPI 1861406506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in CA · A91052

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedSpecialistTaxonomy 174400000X · License 052272 (GA)

1201 ALHAMBRA BLVD STE 400, Sacramento, CA 95816

Open in Google Maps ↗

Secondary Practice Location 1

Location 11035 Southcrest Dr, Suite 100Stockbridge, GA 30281-6118 · Phone (770) 389-9005 · Fax (770) 389-5251

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. John Howard Greenfield Iii 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 ID8123059292

PECOS Enrollment IDI20050829000374

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95816 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

$92.61 typical visit price

range $60.44 – $180.85

Typical copayment $23.15 (range $15.11 – $45.21)

Most-billed visit code 99203

Established Patient

$75.03 typical visit price

range $19.88 – $148.15

Typical copayment $18.75 (range $4.97 – $37.03)

Most-billed visit code 99213

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 8

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

MOONNY LEE PA-C

Physician Assistant