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MR. LARRY K CHASE MD
NPI 1891790408
Preventive Medicine - Undersea and Hyperbaric Medicine in Springfield, MO

Active since June 20, 2005PECOS Enrolled
3525 S NATIONAL AVE, STE 101, SPRINGFIELD, MO 65807(417) 269-9950(417) 269-9959 Get Directions Write a Review

NPPES record last updated: June 10, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Larry K Chase Md NPPES

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

MR. LARRY K CHASE MD (NPI 1891790408) is an individual undersea and hyperbaric medicine provider in Springfield, Missouri, licensed in Missouri (R2D20) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891790408
Entity TypeIndividualMale
Primary Taxonomy2083P0011X
Provider Legal NameMR. LARRY K CHASECredential: MD
Location Address3525 S NATIONAL AVE, STE 101Springfield, MO 65807-7310
Mailing AddressPo Box 4046Springfield, MO 65808-4046 · (417) 269-5712 · Fax (417) 269-7567
Phone(417) 269-9950
Fax(417) 269-9959
Sole ProprietorNo
Enumeration DateJune 20, 2005
Last NPPES UpdateJune 10, 2019
✔ NPI 1891790408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0011X
License✔ Licensed in MO · R2D20
Definition
A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns and bone infections. This specialist also serves as consultant to other physicians in all aspects of hyperbaric chamber operations and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.
Also ListedInternal MedicineTaxonomy 207R00000X · License R2D20 (MO)
3525 S NATIONAL AVE, Springfield, MO 65807
Open in Google Maps ↗

Other Identifiers 1

Medicaid201827912MO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Larry K Chase Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Larry Chase reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lester E Cox Medical Centers
Same address
Geriatric Medicine
3525 S NATIONAL AVE STE 205A
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • 457 clinicians in this Medicare group
NPI 1114953510 (417) 269-9714
Skaggs Community Hospital Association
31 mi
Rural Health
13852 US HIGHWAY 160
Forsyth, MO 65653
  • Reassigned Medicare billing, Missouri enrollment
  • 91 clinicians in this Medicare group
NPI 1861423683 (417) 546-3500

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 2

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 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.
45 services37 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.
41 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65807 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
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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 2

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

Tape, waterproof, per 18 square inches A4452
DME-Medical/Surgical Supplies · category DA000N
1 supplier11 claims1,040 services$0.37 avg. paid by Medicare
Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196
DME-Medical/Surgical Supplies · category DA023N
1 supplier11 claims314 services$7.13 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 16

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

REGIONAL SERVICES
Family Medicine
3525 S NATIONAL AVE, #307
SPRINGFIELD, MO 65807
Greene County (417) 269-9220
STEPHANIE SWEARENGIN
Nurse Practitioner
3525 S NATIONAL AVE
SPRINGFIELD, MO 65807
Greene County (417) 269-9950
KERRY RANDOLPH M.D.
Internal Medicine
3525 S NATIONAL AVE, STE 101
SPRINGFIELD, MO 65807
Greene County (417) 269-5711
LESTER E. COX MEDICAL CENTERS
Clinic/Center
3525 S NATIONAL AVE, #101
SPRINGFIELD, MO 65807
Greene County (417) 269-9950
REGIONAL SERVICES
Nurse Practitioner
3525 S NATIONAL AVE, #101
SPRINGFIELD, MO 65807
Greene County (417) 269-9950
LESTER E COX MEDICAL CENTERS
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
3525 S NATIONAL AVE, SUITE 102
SPRINGFIELD, MO 65807
Greene County (417) 269-7082
DR. MANUEL CAMEJO M.D
Obstetrics & Gynecology
3525 S NATIONAL AVE, SUITE 107
SPRINGFIELD, MO 65807
Greene County (417) 269-9460
DR. NABIL S. KAMEL M.D.
Internal Medicine (Geriatric Medicine)
3525 S NATIONAL AVE, #207
SPRINGFIELD, MO 65807
Greene County (417) 269-9220

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 Larry Chase's NPI number?

The NPI number for Larry Chase is 1891790408. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Where is Larry Chase located?

Larry Chase practices at 3525 S National Ave Ste 101, Springfield, MO 65807. The listed phone number is (417) 269-9950.

What is Larry Chase's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.

Is Larry Chase enrolled in Medicare?

Yes. Larry Chase is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Larry Chase's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larry Chase reassigns Medicare benefits to 2 organizations: Lester E Cox Medical Centers (Springfield, MO) and Skaggs Community Hospital Association (Forsyth, 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 Larry Chase'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 Larry Chase was last updated on June 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.