1. Home
  2. Directory
  3. California
  4. Pasadena
  5. Orthopaedic Surgery
  6. NPI Profile

DR. RICHARD C DIEHL M.D.
NPI 1417943127
Orthopaedic Surgery in Pasadena, CA

Active since September 27, 2005
76.6/100
CMS Quality Rating
800 S RAYMOND AVE, PASADENA, CA 91105(626) 795-8051(626) 795-0356 Get Directions Write a Review

NPPES record last updated: January 26, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Richard C Diehl M.d. NPPES

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

DR. RICHARD C DIEHL M.D. (NPI 1417943127) is an individual orthopaedic surgery provider in Pasadena, California, licensed in California (G15733) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1417943127
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. RICHARD C DIEHLCredential: M.D.
Location Address800 S RAYMOND AVEPasadena, CA 91105-3229
Mailing AddressPo Box 90730Pasadena, CA 91109-0730 · (626) 795-8051 · Fax (626) 795-0356
Phone(626) 795-8051
Fax(626) 795-0356
Sole ProprietorYes
Enumeration DateSeptember 27, 2005
Last NPPES UpdateJanuary 26, 2009
✔ NPI 1417943127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · G15733
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.
800 S RAYMOND AVE, Pasadena, CA 91105
Open in Google Maps ↗

Other Identifiers 5

Medicare PINW17086CA
OtherG15733CA · Medicare Individual
Medicare UPINA39604CA
Other200002226CA · Rail Road Medicare
Medicare PINWG15733BCA

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.6/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.49
Promoting Interoperability100
Improvement Activities40
Cost44.52

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.

CONGRESS FOOT AND ANKLE INC
Orthopaedic Surgery (Foot and Ankle Surgery)
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 795-8051
MR. BARRY ISAAC SHAFER P.T.
Physical Therapist
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 396-8150
JASON LAU PT
Physical Therapist
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 795-0800
JAMES ANDREW O'DOWD M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 795-8051
CONGRESS MEDICAL SURGERY CENTER LLC
Clinic/Center (Ambulatory Surgical)
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 795-8051
MICHAEL J FRAIPONT MD
Orthopaedic Surgery
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 795-8051
ADA SUEMI OSHIRO PT
Occupational Therapist (Hand)
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 795-0800
MICHAEL JUNG LEE MD
Radiology (Diagnostic Radiology)
800 S RAYMOND AVE
PASADENA, CA 91105
Los Angeles County (626) 795-8051

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 Richard Diehl's NPI number?

The NPI number for Richard Diehl is 1417943127. It was assigned to this individual provider in the NPPES registry on September 27, 2005.

Where is Richard Diehl located?

Richard Diehl practices at 800 S Raymond Ave, Pasadena, CA 91105. The listed phone number is (626) 795-8051.

What is Richard Diehl's specialty?

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

When was this NPI record last updated?

The NPPES record for Richard Diehl was last updated on January 26, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.