A. LYLE ROSENFIELD M.D.
NPI 1588648968
Orthopaedic Surgery in La Jolla, CA

Q: What is A. Rosenfield's NPI number?

The NPI number for A. Rosenfield is 1588648968. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Q: What is A. Rosenfield'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 A. Rosenfield was last updated on May 2, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 30, 2005PECOS EnrolledAccepts Medicare Assignment

4130 LA JOLLA VILLAGE DR, STE 306, LA JOLLA, CA 92037(858) 455-6460(858) 455-7197 Get Directions Write a Review

NPPES record last updated: May 2, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About A. Lyle Rosenfield M.d. NPPES

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

A. LYLE ROSENFIELD M.D. (NPI 1588648968) is an individual orthopaedic surgery provider in La Jolla, California, licensed in California (G75293) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1988).

NPPES Registry Identity

NPI1588648968

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameA. LYLE ROSENFIELDCredential: M.D.

Location Address4130 LA JOLLA VILLAGE DR, STE 306La Jolla, CA 92037-1481

Mailing Address4130 La Jolla Village Dr, Ste 306La Jolla, CA 92037-1481 · (858) 455-6460 · Fax (858) 455-7197

Phone(858) 455-6460

Fax(858) 455-7197

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1988

Enumeration DateNovember 30, 2005

Last NPPES UpdateMay 2, 2013

✔ NPI 1588648968 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 · G75293

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.

4130 LA JOLLA VILLAGE DR, La Jolla, CA 92037

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Other Identifiers 2

Medicare NSC0443010001CA

Medicare UPINF59880CA

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

A. Lyle Rosenfield 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 ID8224027990

PECOS Enrollment IDI20090427000619

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.

Areas of Expertise CMS Part B claims 20

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.

1,075 services11 patients

Injection, lidocaine hcl for intravenous infusion, 10 mg J2001

Lidocaine HCL is a medication used to decrease pain or discomfort. In this procedure, it's given through an IV infusion, which means it's slowly injected into your vein. It's often used during minor surgeries or procedures to help keep you comfortable.

588 services148 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.

541 services182 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.

495 services265 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.

348 services223 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

292 services98 patients

X-ray of both knees while standing 73565

An X-ray of both knees while standing is a diagnostic procedure that captures images of your knee joints. You'll stand in front of an X-ray machine, and it will take pictures showing the bones and tissues in your knees. This helps doctors identify any abnormalities or injuries.

253 services223 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.

112 services91 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.

92 services46 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.

86 services18 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

79 services57 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.

51 services51 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.

50 services50 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.

29 services23 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

27 services26 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.

22 services21 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.

22 services21 patients

X-ray of hip, 1 view 73501

An X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.

20 services11 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

17 services14 patients

Treatment of broken neck of thigh bone with bone implant 27245

This procedure involves repairing a fractured thigh bone by inserting a bone implant. The implant helps stabilize the bone, allowing it to heal correctly. It's performed under anesthesia and requires a hospital stay for recovery.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 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

$94.87 typical visit price

range $62.10 – $184.71

Typical copayment $23.71 (range $15.52 – $46.17)

Most-billed visit code 99203

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

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 18

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

KRISTEN M MANECKE O.T.

Occupational Therapist

4130 LA JOLLA VILLAGE DR, STE 103
LA JOLLA, CA 92037

San Diego County (858) 455-8584

IMAGING SERVICES ASSOCIATES LLC

Clinic/Center (Radiology)

4130 LA JOLLA VILLAGE DR, SUITE 101
LA JOLLA, CA 92037

San Diego County (858) 200-3300

DR. JEFFREY HALVOR LIND DMD

Dentist (General Practice)

4130 LA JOLLA VILLAGE DR, SUITE 202
LA JOLLA, CA 92037

San Diego County (858) 535-1478

SPONDYLOS MEDICAL GROUP, INC.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

4130 LA JOLLA VILLAGE DR, SUITE 300
LA JOLLA, CA 92037

San Diego County (858) 587-0700

GEORGINA RAMIREZ MFT

Marriage & Family Therapist

4130 LA JOLLA VILLAGE DR, STE 301
LA JOLLA, CA 92037

San Diego County (858) 457-0700

DR. CHAD DAVID MEDIATE D.P.T.

Physical Therapist

4130 LA JOLLA VILLAGE DR, SUITE 306
LA JOLLA, CA 92037

San Diego County (858) 455-6460

DR. BEHROOZ A AKBARNIA M.D.

Orthopaedic Surgery

4130 LA JOLLA VILLAGE DR, SUITE 300
LA JOLLA, CA 92037

San Diego County (858) 678-0610

MARJAN HAFIZI PA-C

Physician Assistant

4130 LA JOLLA VILLAGE DR, SUITE 300
LA JOLLA, CA 92037

San Diego County (858) 625-7979

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 A. Rosenfield's NPI number?

The NPI number for A. Rosenfield is 1588648968. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is A. Rosenfield located?

A. Rosenfield practices at 4130 La Jolla Village Dr Ste 306, La Jolla, CA 92037. The listed phone number is (858) 455-6460.

What is A. Rosenfield's specialty?

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

Is A. Rosenfield enrolled in Medicare?

Yes. A. Rosenfield 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.

When was this NPI record last updated?

The NPPES record for A. Rosenfield was last updated on May 2, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.