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DR. GREGORY A. LEDGER MD
NPI 1205903663
Internal Medicine - Endocrinology, Diabetes & Metabolism in Springfield, MO

Active since November 29, 2006PECOS EnrolledAccepts Medicare Assignment
3231 S NATIONAL AVE, SPRINGFIELD, MO 65807(417) 888-5660(417) 888-6793 Get Directions Write a Review

NPPES record last updated: May 2, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Gregory A. Ledger Md NPPES

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

DR. GREGORY A. LEDGER MD (NPI 1205903663) is an individual endocrinology, diabetes & metabolism provider in Springfield, Missouri, licensed in Missouri (105722) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Springfield, and is a graduate of Indiana University School Of Medicine (1988).

NPPES Registry Identity

NPI1205903663
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. GREGORY A. LEDGERCredential: MD
Location Address3231 S NATIONAL AVESpringfield, MO 65807-7304
Mailing AddressPo Box 2580Springfield, MO 65801-2580 · (417) 829-4620
Phone(417) 888-5660
Fax(417) 888-6793
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1988
Enumeration DateNovember 29, 2006
Last NPPES UpdateMay 2, 2013
✔ NPI 1205903663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MO · 105722
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
3231 S NATIONAL AVE, Springfield, MO 65807
Open in Google Maps ↗

Other Identifiers 5

Other460000525Railroad Medicare
Medicare PIN081013268MO
Medicare UPINE20810MO
Medicaid207635814MO
Other431560263021Tricare

Accepted Insurance

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

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. Gregory A. Ledger 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 ID5092847582
PECOS Enrollment IDI20100720000006
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 5

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.
148 services131 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.
60 services60 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
24 services13 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.
24 services21 patients
Fine needle aspiration biopsy using ultrasound guidance, first growth 10005
Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Mercy Hospital Springfield

Acute Care Hospitals · Springfield, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260065
Location1235 E CherokeeSpringfield, MO 65804 · Greene County
Emergency services Birthing friendly

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 6

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

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
5 suppliers19 claims242 services$18.07 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
5 suppliers18 claims535 services$2.37 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers31 claims126 services$5.52 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers13 claims23 services$1.13 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
8 suppliers16 claims1,400 services$7.19 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
13 suppliers133 claims133 services$183.37 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 20

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

DR. MARK H. GRIMM MD
Internal Medicine (Pulmonary Disease)
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807
Greene County (417) 888-5696
DR. JOHN H BROWN MD
Family Medicine
3231 S NATIONAL AVE, SUITE 280
SPRINGFIELD, MO 65807
Greene County (417) 885-0834
DR. JAY L SPARKS MD
Family Medicine
3231 S NATIONAL AVE, SUITE 220
SPRINGFIELD, MO 65807
Greene County (417) 820-7450
DR. DAN R. MOSTROM DPM
Podiatrist
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807
Greene County (417) 888-6708
FRANCES H BUNCH LD
Dietitian, Registered
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807
Greene County (417) 820-2000
DR. DAN D PARK DPM
Podiatrist
3231 S NATIONAL AVE, SUITE 160
SPRINGFIELD, MO 65807
Greene County (417) 888-6708
DR. JOE EDWARD HIMES MD
Family Medicine
3231 S NATIONAL AVE, STE 115
SPRINGFIELD, MO 65807
Greene County (417) 888-6790
MRS. MICHELLE S. EPPERSON RPH
Pharmacist
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807
Greene County (417) 841-0116

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 Gregory Ledger's NPI number?

The NPI number for Gregory Ledger is 1205903663. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Where is Gregory Ledger located?

Gregory Ledger practices at 3231 S National Ave, Springfield, MO 65807. The listed phone number is (417) 888-5660.

What is Gregory Ledger's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Gregory Ledger enrolled in Medicare?

Yes. Gregory Ledger 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.

What insurance does Gregory Ledger accept?

Health plans from Medica list Gregory Ledger 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 Gregory Ledger affiliated with any hospitals?

According to CMS data, Gregory Ledger is affiliated with Mercy Hospital Springfield.

When was this NPI record last updated?

The NPPES record for Gregory Ledger 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.