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ABBY MCCAIN HOWENSTEIN
NPI 1750709242
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Las Vegas, NV

Active since April 01, 2014PECOS EnrolledAccepts Medicare Assignment
2231 W. CHARLESTON BLVD., LAS VEGAS, NV 89102(702) 383-2663(702) 383-2682 Get Directions Write a Review

NPPES record last updated: November 10, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 10, 2022, Sep 16, 2020 (2 updates tracked since 2020).

About Abby Mccain Howenstein NPPES

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

ABBY MCCAIN HOWENSTEIN (NPI 1750709242) is an individual pediatric orthopaedic surgery provider in Las Vegas, Nevada, licensed in Nevada (20873) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with University Medical Center, and is a graduate of Indiana University School Of Medicine (2014).

NPPES Registry Identity

NPI1750709242
Entity TypeIndividualFemale
Primary Taxonomy207XP3100X
Provider Legal NameABBY MCCAIN HOWENSTEIN
Location Address2231 W. CHARLESTON BLVD.Las Vegas, NV 89102
Mailing Address1800 W. Charleston Blvd.Las Vegas, NV 89102 · (702) 383-2000
Phone(702) 383-2663
Fax(702) 383-2682
Sole ProprietorYes
Medical School CMSIndiana University School Of MedicineGraduated 2014
Enumeration DateApril 1, 2014
Last NPPES UpdateNovember 10, 20222 updates tracked since enumeration
NPPES CertifiedNovember 10, 2022
✔ NPI 1750709242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XP3100X
License✔ Licensed in NV · 20873
Definition
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 20873 (NV)
2231 W. CHARLESTON BLVD., Las Vegas, NV 89102
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

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

Abby Mccain Howenstein 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 ID4587964168
PECOS Enrollment IDI20210527000654
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

6

Medicare enrollment records show Abby Howenstein reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Medical Center Of Southern Nevada
0.3 mi
General Acute Care Hospital
1800 W. CHARLESTON BLVD.
Las Vegas, NV 89102
  • Reassigned Medicare billing, Nevada enrollment
  • 522 clinicians in this Medicare group
NPI 1548393127 (702) 383-2000
Optum Medical Group Rhodes P C
0.3 mi
Specialist
2010 WELLNESS WAY STE 200
Las Vegas, NV 89106
  • Reassigned Medicare billing, Nevada enrollment
  • 195 clinicians in this Medicare group
NPI 1063458594 (702) 877-0814
Banner Physician Specialists Arizona LLC
255 mi
Multi-Specialty
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 538 clinicians in this Medicare group
NPI 1033730429 (602) 747-4000
Carolinas Physicians Network, Inc.
1,846 mi
Medical Oncology
52 HOSPITAL DR, SUITE 3-A
Columbus, NC 28722
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,057 clinicians in this Medicare group
NPI 1184852105 (828) 894-2308
The Charlotte-Mecklenburg Hospital Authority
1,882 mi
General Practice
201 E GROVER ST
Shelby, NC 28150
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,534 clinicians in this Medicare group
NPI 1225435126 (980) 487-7427
Carolinas Medical Center
1,921 mi
Family Medicine
1801 ROZZELLES FERRY RD
Charlotte, NC 28208
  • Reassigned Medicare billing, North Carolina enrollment
  • 2,223 clinicians in this Medicare group
NPI 1063567428 (704) 446-9987

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 4

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 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.
25 services21 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.
16 services16 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.
16 services15 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.
14 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number290007
Location1800 W Charleston BlvdLas Vegas, NV 89102 · Clark County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 7

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

SUKANTA MAITRA M.D.
Orthopaedic Surgery
2231 W. CHARLESTON BLVD.
LAS VEGAS, NV 89102
Clark County (702) 383-2663
MICHAEL D DAUBS MD
Orthopaedic Surgery
2231 W. CHARLESTON BLVD.
LAS VEGAS, NV 89102
Clark County (702) 383-2663
DR. EUGENE LIBBY D.O., P.C.
Orthopaedic Surgery
2231 W. CHARLESTON BLVD.
LAS VEGAS, NV 89102
Clark County (702) 383-2663
SOPHIA DIANNE CABRERA APRN
Nurse Practitioner (Family)
2231 W. CHARLESTON BLVD.
LAS VEGAS, NV 89102
Clark County (702) 383-2663
KAREN EILEEN NELSON DO
Orthopaedic Surgery
2231 W. CHARLESTON BLVD.
LAS VEGAS, NV 89102
Clark County (702) 383-2663
DR. BENJAMIN JACOB HANSEN M.D.
Orthopaedic Surgery
2231 W. CHARLESTON BLVD.
LAS VEGAS, NV 89102
Clark County (702) 383-2663
ANTHONY DANIEL BRATTON
Orthopaedic Surgery (Sports Medicine)
2231 W. CHARLESTON BLVD.
LAS VEGAS, NV 89102
Clark County (702) 383-2683

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 Abby Howenstein's NPI number?

The NPI number for Abby Howenstein is 1750709242. It was assigned to this individual provider in the NPPES registry on April 1, 2014.

Where is Abby Howenstein located?

Abby Howenstein practices at 2231 W. Charleston Blvd., Las Vegas, NV 89102. The listed phone number is (702) 383-2663.

What is Abby Howenstein's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Abby Howenstein enrolled in Medicare?

Yes. Abby Howenstein 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 Abby Howenstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abby Howenstein reassigns Medicare benefits to 6 organizations: University Medical Center Of Southern Nevada (Las Vegas, NV), Optum Medical Group Rhodes P C (Las Vegas, NV), Banner Physician Specialists Arizona LLC (Phoenix, AZ), Carolinas Physicians Network, Inc. (Columbus, NC), The Charlotte-Mecklenburg Hospital Authority (Shelby, NC) and 1 more organization, listed in the Medicare section above. 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 Abby Howenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abby Howenstein accept?

Health plans from Ambetter from Arizona Complete Health list Abby Howenstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Abby Howenstein affiliated with any hospitals?

According to CMS data, Abby Howenstein is affiliated with University Medical Center.

When was this NPI record last updated?

The NPPES record for Abby Howenstein was last updated on November 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.