DR. SCOTT ALAN HACKER M.D.
NPI 1750450805
Specialist in La Mesa, CA

Q: What is Scott Hacker's NPI number?

The NPI number for Scott Hacker is 1750450805. It was assigned to this individual provider in the NPPES registry on November 6, 2006.

Q: What is Scott Hacker's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Scott Hacker was last updated on May 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 November 06, 2006PECOS EnrolledAccepts Medicare Assignment

16.54/100

CMS Quality Rating

5565 GROSSMONT CENTER DR, BLDG 3 SUITE 256, LA MESA, CA 91942(619) 462-3131(619) 462-1731 Get Directions Write a Review

NPPES record last updated: May 18, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Scott Alan Hacker M.d. NPPES

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

DR. SCOTT ALAN HACKER M.D. (NPI 1750450805) is an individual specialist in La Mesa, California, licensed in California (A83881) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1997).

NPPES Registry Identity

NPI1750450805

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. SCOTT ALAN HACKERCredential: M.D.

Location Address5565 GROSSMONT CENTER DR, BLDG 3 SUITE 256La Mesa, CA 91942-3020

Mailing Address5565 Grossmont Center Dr, Bldg 3 Suite 256La Mesa, CA 91942-3020 · (619) 462-3131 · Fax (619) 462-1731

Phone(619) 462-3131

Fax(619) 462-1731

Sole ProprietorNo

Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1997

Enumeration DateNovember 6, 2006

Last NPPES UpdateMay 18, 2015

✔ NPI 1750450805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in CA · A83881

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

5565 GROSSMONT CENTER DR, La Mesa, CA 91942

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Other Identifiers 2

Medicare UPINH95759CA

Medicaid00A38810CA

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

Dr. Scott Alan Hacker 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 ID3971416264

PECOS Enrollment IDI20031113000420

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 Reassignments

Medicare enrollment records show Scott Hacker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

G O M G A Medical Partnership

0.1 mi

Adult Reconstructive Orthopaedic Surgery

5565 GROSSMONT CENTER DR, BLDG. 3 SUITE 256
La Mesa, CA 91942

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

NPI 1306938139 (619) 462-3131

Emergency And Acute Care Medical Corporation

8.5 mi

Emergency Medicine

7901 FROST ST
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
1,437 clinicians in this Medicare group

NPI 1437103942 (858) 939-3400

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 25

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.

Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg J7329

Trivisc is a treatment involving injections of a substance called hyaluronan into your joint, typically the knee. This substance is similar to a natural fluid in your joints that helps cushion and lubricate them. Trivisc can help reduce pain and improve joint movement.

4,879 services92 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

1,013 services181 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

784 services311 patients

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.

424 services304 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

333 services97 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

301 services214 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.

272 services214 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

138 services52 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

120 services98 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.

114 services102 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

113 services78 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.

103 services103 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

79 services66 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

66 services66 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

62 services57 patients

Computer-assisted surgery for muscle and bone procedure 20985

Computer-assisted surgery for muscle and bone procedures involves using a computer to aid in planning and performing surgery. This technology helps increase precision, reduce invasiveness, and improve outcomes. It's commonly used in orthopedic surgeries like joint replacements.

57 services53 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

52 services38 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

39 services35 patients

Test or measurement for functional capacity, each 15 minutes 97750

This procedure measures your functional capacity, or ability to perform tasks, over 15-minute intervals. It can help identify limitations or improvements in your physical abilities. The test may involve activities like walking, lifting, or bending.

26 services13 patients

Arthroscopy, knee, surgical, for removal of loose body, foreign body, debridement/shaving of articular cartilage (chondroplasty) at the time of other surgical knee arthroscopy in a different compartment of the same knee G0289

Arthroscopy is a minimally invasive knee surgery used to diagnose and treat problems in the knee joint. This procedure involves removing loose or foreign bodies, and cleaning or shaving the damaged cartilage (chondroplasty). This can be done simultaneously with another knee arthroscopy in a different area of the same knee.

15 services15 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

14 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

13 services13 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

12 services12 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.

11 services11 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

11 services11 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.

16.54/100

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

Individually scored

Quality

Improvement Activities

Cost

55.16

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Static progressive stretch knee device, extension and/or flexion, with or without range of motion adjustment, includes all components and accessories E1811

DME-Other DME · category DE000N

1 supplier14 claims14 services$85.83 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JEREMIAH MOLES MD

Otolaryngology

5565 GROSSMONT CENTER DR, BLDG 3 SUITE 101
LA MESA, CA 91942

San Diego County (619) 464-3353

RONALD M JOHNSON MD MEDICAL CORP

Surgery

5565 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-4145

DR. MICHAEL H. FENN M.D.

Otolaryngology

5565 GROSSMONT CENTER DR, SUITE# 352
LA MESA, CA 91942

San Diego County (619) 466-0048

NANCY LYNN NELSON P.T.

Physical Therapist

5565 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 589-0850

PETER F JOHNSON DMD A PROFESSIONAL CORPORATION

Dentist (Prosthodontics)

5565 GROSSMONT CENTER DR, SUITE 110-1
LA MESA, CA 91942

San Diego County (619) 463-3737

MOHAMMED MIRADI MD INC

Internal Medicine (Infectious Disease)

5565 GROSSMONT CENTER DR, STE 211
LA MESA, CA 91942

San Diego County (619) 644-1483

DR. THOMAS GREGORY WADDELL DDS

Dentist (General Practice)

5565 GROSSMONT CENTER DR, SUITE 356
LA MESA, CA 91942

San Diego County (619) 461-1900

DR. KAREN E. ANDERSON, APC

Podiatrist (Foot Surgery)

5565 GROSSMONT CENTER DR, SUITE 152
LA MESA, CA 91942

San Diego County (619) 440-2202

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 Scott Hacker's NPI number?

The NPI number for Scott Hacker is 1750450805. It was assigned to this individual provider in the NPPES registry on November 6, 2006.

Where is Scott Hacker located?

Scott Hacker practices at 5565 Grossmont Center Dr Bldg 3 Suite 256, La Mesa, CA 91942. The listed phone number is (619) 462-3131.

What is Scott Hacker's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Scott Hacker enrolled in Medicare?

Yes. Scott Hacker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Scott Hacker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Scott Hacker reassigns Medicare benefits to 2 organizations: G O M G A Medical Partnership (La Mesa, CA) and Emergency And Acute Care Medical Corporation (San Diego, CA). Each 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 Scott Hacker'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 Scott Hacker was last updated on May 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.