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

DR. JOHN D ATTENELLO M.D.
NPI 1629456553
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Los Angeles, CA

Active since May 12, 2015PECOS EnrolledAccepts Medicare Assignment
1513 S GRAND AVE # 380, LOS ANGELES, CA 90015(310) 337-2589 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 5, 2024, Dec 19, 2022, Aug 11, 2021 and 2 more (5 updates tracked since 2020).

About Dr. John D Attenello M.d. NPPES

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

DR. JOHN D ATTENELLO M.D. (NPI 1629456553) is an individual orthopaedic surgery of the spine provider in Los Angeles, California, licensed in California (A166979) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, San Diego School Of Medicine (2015).

NPPES Registry Identity

NPI1629456553
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameDR. JOHN D ATTENELLOCredential: M.D.
Location Address1513 S GRAND AVE # 380Los Angeles, CA 90015-3070
Mailing Address1513 S Grand Ave # 380Los Angeles, CA 90015-3070 · (310) 337-2589
Phone(310) 337-2589
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2015
Enumeration DateMay 12, 2015
Last NPPES UpdateAugust 18, 20255 updates tracked since enumeration
NPPES CertifiedAugust 18, 2025
✔ NPI 1629456553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
License✔ Licensed in CA · A166979
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.

1513 S GRAND AVE # 380, Los Angeles, CA 90015
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11201 E Bixby RdLong Beach, CA 90807-4221 · Phone (310) 337-2589
Location 213160 Mindanao Way # 304Marina Del Rey, CA 90292-6358 · Phone (310) 337-2589

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

Dr. John D Attenello 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 ID9638594005
PECOS Enrollment IDI20200731001813
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 9

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.

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.
90 services88 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.
30 services19 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
28 services28 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.
24 services18 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.
20 services18 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
19 services19 patients

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 John Attenello's NPI number?

The NPI number for John Attenello is 1629456553. It was assigned to this individual provider in the NPPES registry on May 12, 2015.

Where is John Attenello located?

John Attenello practices at 1513 S Grand Ave # 380, Los Angeles, CA 90015. The listed phone number is (310) 337-2589.

What is John Attenello's specialty?

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

Is John Attenello enrolled in Medicare?

Yes. John Attenello 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 John Attenello was last updated on August 18, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.