GERALD JOHN ALEXANDER M.D.
NPI 1790721025
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Orange, CA

Q: What is Gerald Alexander's NPI number?

The NPI number for Gerald Alexander is 1790721025. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Q: What is Gerald Alexander's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Q: When was this NPI record last updated?

The NPPES record for Gerald Alexander was last updated on March 17, 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.

Active since June 22, 2006PECOS EnrolledAccepts Medicare Assignment

52.6/100

CMS Quality Rating

280 S MAIN ST STE 200, ORANGE, CA 92868(714) 634-4567 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Dec 11, 2017, Sep 2, 2016 (3 updates tracked since 2016).

On this page

About Gerald John Alexander M.d. NPPES

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

GERALD JOHN ALEXANDER M.D. (NPI 1790721025) is an individual orthopaedic surgery of the spine provider in Orange, California, licensed in California (G81353) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Loma Linda University School Of Medicine (1993).

NPPES Registry Identity

NPI1790721025

Entity TypeIndividualMale

Primary Taxonomy207XS0117X

Provider Legal NameGERALD JOHN ALEXANDERCredential: M.D.

Location Address280 S MAIN ST STE 200Orange, CA 92868-3852

Mailing Address280 S Main St Ste 200Orange, CA 92868-3852 · (714) 634-4567 · Fax (714) 634-4569

Phone(714) 634-4567

Sole ProprietorYes

Medical School CMSLoma Linda University School Of MedicineGraduated 1993

Enumeration DateJune 22, 2006

Last NPPES UpdateMarch 17, 20183 updates tracked since enumeration

✔ NPI 1790721025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians

Taxonomy Code207XS0117X

License✔ Licensed in CA · G81353

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

Also ListedSpecialistTaxonomy 174400000X · License G81353 (CA)

280 S MAIN ST STE 200, Orange, CA 92868

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Secondary Practice Location 1

Location 11010 W La Veta Ave, Suite 775Orange, CA 92868-4300 · Phone (714) 486-1071 · Fax (714) 954-0272

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gerald John Alexander 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 ID8820039142

PECOS Enrollment IDI20051115001049

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 Gerald Alexander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedic Specialty Institute Medical Group Of Orange County

0.1 mi

Orthopaedic Surgery

363 S MAIN ST STE 220
Orange, CA 92868

Reassigned Medicare billing, California enrollment
44 clinicians in this Medicare group

NPI 1336228832 (714) 634-4567

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

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

104 services72 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

80 services50 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

66 services66 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

59 services59 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

59 services59 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

59 services45 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

51 services26 patients

Incision or removal of spine bone segment, each additional segment 22216

This procedure involves making an incision to remove a portion of the spine bone, often to alleviate pressure or pain. If more segments need to be removed, the process is repeated for each additional segment. This is done under general anesthesia.

40 services19 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

29 services29 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

28 services27 patients

Fusion of additional segment of spine 22614

Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.

26 services17 patients

Removal of middle, lower, or sacral spine bone with release of spinal cord or nerves, transperitoneal or retroperitoneal approach, each additional segment 63091

This procedure involves removing parts of the spine bone to release pressure on the spinal cord or nerves. It can be done through a transperitoneal or retroperitoneal approach. If needed, this can be repeated for each additional spine segment.

25 services14 patients

Fusion of spine bones through front of body with partial removal of disc, each additional disc 22585

This procedure involves merging spine bones via the front of the body. A portion of each additional disc is removed to ease pressure and discomfort. This helps to stabilize the spine and improve mobility.

24 services20 patients

Fusion of spine in lower back 22612

Fusion of the spine in the lower back, also known as lumbar spinal fusion, is a surgery aimed to join, or fuse, two or more vertebrae in your lower back. This procedure can help alleviate pain and improve stability by reducing movement between the vertebrae.

24 services24 patients

Fusion of lower spine bone through abdomen with partial removal of disc 22558

This procedure involves merging the bones in your lower spine through an abdominal approach. A portion of the disc, which acts like a cushion between your vertebrae, is partially removed. The goal is to alleviate back pain by limiting movement in the problem area of your spine.

22 services22 patients

Placement of stabilizing device to back of 1 spine bone in neck 22840

This procedure involves positioning a stabilizing device onto a single spinal bone in the neck. The goal is to provide support and prevent movement that could cause discomfort or further injury. It's performed by trained specialists under anesthesia.

22 services22 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

20 services15 patients

Graft of donor bone to spine 20931

A graft of donor bone to the spine is a procedure where a piece of bone from a donor is attached to your spine to help it heal or improve its structure. This is often done to strengthen the spine or aid in recovery from injury or disease.

18 services17 patients

Incision or removal of lower spine bone segment 22214

This procedure involves making a small incision in the lower back to access the spine. A segment of bone may be removed to relieve pressure on nerves, improve mobility, or treat conditions like herniated discs or spinal stenosis. Recovery varies, but physical therapy may follow.

18 services18 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

16 services16 patients

Placement of stabilizing device to front, 2-3 spine bone segments 22845

This procedure involves positioning a stabilizing device on the front of 2-3 segments of your spine. It's designed to provide support and stability to your spine, potentially alleviating discomfort and improving mobility.

14 services14 patients

Removal of middle, lower, or sacral spine bone with release of spinal cord or nerves, transperitoneal or retroperitoneal approach, single segment 63090

This procedure involves the surgical removal of a bone segment from the middle, lower, or sacral area of your spine. It's done to relieve pressure on the spinal cord or nerves. The approach can be transperitoneal (through the abdomen) or retroperitoneal (behind the abdomen).

14 services14 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

13 services13 patients

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.

52.6/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

38.46

Improvement Activities

Cost

54.84

Reported Quality Measures

Documentation of Current Medications in the Medical Record

74%795 patients3/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

21%191 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

23%513 patients1/55-star benchmark: 98%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 84% · 328 patients

80%328 patients

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 210 patients

Patients totalRate: 7% · 210 patients

7%210 patients4/55-star benchmark: 100%

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.

JOSEPH ERIC KORESSEL MD

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)