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LEIGH ROSE BALL MD
NPI 1134583925
Internal Medicine in Saint Louis, MO

Active since April 08, 2016PECOS EnrolledAccepts Medicare Assignment
4921 PARKVIEW PL STE 14A, SAINT LOUIS, MO 63110(314) 454-8778 Get Directions Write a Review

NPPES record last updated: February 5, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 5, 2021, Jul 9, 2020, Dec 6, 2018 (3 updates tracked since 2018).

About Leigh Rose Ball Md NPPES

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

LEIGH ROSE BALL MD (NPI 1134583925) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2019017487) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1134583925
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLEIGH ROSE BALLCredential: MD
Location Address4921 PARKVIEW PL STE 14ASaint Louis, MO 63110-1032
Mailing Address4921 Parkview Pl Ste 14aSaint Louis, MO 63110-1032 · (314) 454-8778
Phone(314) 454-8778
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 8, 2016
Last NPPES UpdateFebruary 5, 20213 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2021
✔ NPI 1134583925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2019017487
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 2019017487 (MO)
4921 PARKVIEW PL STE 14A, Saint Louis, MO 63110
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Other Names 1

Former Name (1)Leigh Rose Schlactus

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Leigh Rose Ball Md 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 ID7214223734
PECOS Enrollment IDI20190919000913
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

2

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

Washington University
0.3 mi
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 236 clinicians in this Medicare group
NPI 1356382527 (314) 362-3282
Physician Groups Lc
11 mi
Multi-Specialty
670 MASON RIDGE CENTER DR STE 300
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 611 clinicians in this Medicare group
NPI 1285664268 (314) 996-7644

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 8

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.
136 services97 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.
81 services62 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
72 services72 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
33 services32 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
26 services25 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.
16 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260162
Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County
Emergency services

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260191
Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 13

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers13 claims49 services$5.78 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
6 suppliers38 claims38 services$32.96 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers22 claims22 services$80.26 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers21 claims59 services$30.04 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
3 suppliers11 claims58 services$13.74 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers24 claims24 services$44.54 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 2

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

DR. NICKOLAI C DETERT DNP, FNP-C
Nurse Practitioner
4921 PARKVIEW PL STE 14A
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8778
JOHN L HOFFMAN MD
Internal Medicine
4921 PARKVIEW PL STE 14A
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8778

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 Leigh Ball's NPI number?

The NPI number for Leigh Ball is 1134583925. It was assigned to this individual provider in the NPPES registry on April 8, 2016. The provider is also known as Leigh Rose Schlactus.

Where is Leigh Ball located?

Leigh Ball practices at 4921 Parkview Pl Ste 14A, Saint Louis, MO 63110. The listed phone number is (314) 454-8778.

What is Leigh Ball's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Leigh Ball enrolled in Medicare?

Yes. Leigh Ball 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 Leigh Ball's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leigh Ball reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Physician Groups Lc (Saint Louis, MO). 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 Leigh Ball's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leigh Ball accept?

Health plans from UnitedHealthcare list Leigh Ball 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 Leigh Ball affiliated with any hospitals?

According to CMS data, Leigh Ball is affiliated with Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Barnes-Jewish St Peters Hospital.

When was this NPI record last updated?

The NPPES record for Leigh Ball was last updated on February 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.