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GARY J. CHANG M.D.
NPI 1366411548
Anesthesiology - Pain Medicine in Monterey, CA

Active since March 17, 2006PECOS Enrolled
0/100
CMS Quality Rating
12 UPPER RAGSDALE DR, MONTEREY, CA 93940(831) 648-7200(831) 648-7204 Get Directions Write a Review

NPPES record last updated: February 12, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gary J. Chang M.d. NPPES

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

GARY J. CHANG M.D. (NPI 1366411548) is an individual pain medicine provider in Monterey, California, licensed in California (G48331) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366411548
Entity TypeIndividualMale
Primary Taxonomy207LP2900X
Provider Legal NameGARY J. CHANGCredential: M.D.
Location Address12 UPPER RAGSDALE DRMonterey, CA 93940-5730
Mailing AddressPo Box 3168Salinas, CA 93912-3168 · (831) 649-1000 · Fax (831) 649-4966
Phone(831) 648-7200
Fax(831) 648-7204
Sole ProprietorNo
Enumeration DateMarch 17, 2006
Last NPPES UpdateFebruary 12, 2018
✔ NPI 1366411548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in CA · G48331
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
12 UPPER RAGSDALE DR, Monterey, CA 93940
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gary J. Chang M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Gary Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Monterey Spine & Joint PC
Same address
Orthopaedic Surgery
12 UPPER RAGSDALE DR
Monterey, CA 93940
  • Reassigned Medicare billing, California enrollment
  • 132 clinicians in this Medicare group
NPI 1881620599 (831) 648-7200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Promoting Interoperability0
Improvement Activities0

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
1%842 patients1/55-star benchmark: 85%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
83%3,511 patients3/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
58%1,204 patients2/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
96%802 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
8%1,473 patients1/55-star benchmark: 99%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
29%1,440 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 19% · 744 patients
Patients tobacco: 11% · 744 patients
8%65 patients1/55-star benchmark: 98%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
35%1,473 patients2/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
36%1,473 patients3/55-star benchmark: 59%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 2% · 625 patients
7%625 patients3/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
0%1,473 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

MONTAGE PHYSICIAN ASSOCIATES
Clinic/Center
12 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 242-3080
DR. SOHRAB GOLLOGLY M.D.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
12 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 648-7200
AVERY CARR-BOYD NILSEN PT
Physical Therapist
12 UPPER RAGSDALE DR, SUITE B
MONTEREY, CA 93940
Monterey County (831) 375-1562
GABRIEL ANDREW MEAD DPT
Physical Therapist
12 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (540) 664-9993
SCOTT D SMITH DPM
Podiatrist
12 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 648-7200
DR. MARK CHRISTOPHER HOWARD M.D.
Orthopaedic Surgery (Sports Medicine)
12 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 648-7200
CHRISTOPHER M MECKEL MD PC
Orthopaedic Surgery
12 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 648-7200
DR. CHRISTOPHER M. MECKEL M.D.
Orthopaedic Surgery
12 UPPER RAGSDALE DR
MONTEREY, CA 93940
Monterey County (831) 648-7200

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 Gary Chang's NPI number?

The NPI number for Gary Chang is 1366411548. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Where is Gary Chang located?

Gary Chang practices at 12 Upper Ragsdale Dr, Monterey, CA 93940. The listed phone number is (831) 648-7200.

What is Gary Chang's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Gary Chang enrolled in Medicare?

Yes. Gary Chang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gary Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Chang reassigns Medicare benefits to Monterey Spine & Joint PC (Monterey, 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 Gary Chang'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 Gary Chang was last updated on February 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.