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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOSH D. GAST D.O.
NPI 1437404761
Internal Medicine in Poplar Bluff, MO

Active since July 24, 2012PECOS EnrolledAccepts Medicare Assignment
225 PHYSICIANS PARK STE 304, POPLAR BLUFF, MO 63901(573) 727-5500(573) 399-2646 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 15, 2026, Sep 25, 2026, Aug 28, 2026 and 4 more (7 updates tracked since 2017).

About Dr. Josh D. Gast D.o. NPPES

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

DR. JOSH D. GAST D.O. (NPI 1437404761) is an individual internal medicine provider in Poplar Bluff, Missouri, licensed in Missouri (2016043822) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Missouri Delta Medical Center, and maintains 25 additional practice locations.

NPPES Registry Identity

NPI1437404761
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOSH D. GASTCredential: D.O.
Location Address225 PHYSICIANS PARK STE 304Poplar Bluff, MO 63901-3930
Mailing Address110 S 2nd StEllington, MO 63638-9400 · (573) 663-2313 · Fax (573) 663-2441
Phone(573) 727-5500
Fax(573) 399-2646
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJuly 24, 2012
Last NPPES UpdateOctober 15, 20267 updates tracked since enumeration
NPPES CertifiedOctober 15, 2026
✔ NPI 1437404761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2016043822
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.
225 PHYSICIANS PARK STE 304, Poplar Bluff, MO 63901
Open in Google Maps ↗

Secondary Practice Locations 25

Location 12879 James BlvdPoplar Bluff, MO 63901-3395 · Phone (573) 609-8800 · Fax (573) 776-6124
Location 2202 Allen StAnnapolis, MO 63620-8778 · Phone (573) 598-4213 · Fax (573) 598-1101
Location 318 Viburnum Center RdViburnum, MO 65566-7802 · Phone (573) 244-5406 · Fax (573) 244-5591
Location 43001 Warrior Ln Ste APoplar Bluff, MO 63901-8685 · Phone (573) 785-7453 · Fax (573) 785-7429
Location 5289 Broadway StNeelyville, MO 63954-7176 · Phone (573) 804-9494 · Fax (573) 804-9493
Location 661 Highway YEllington, MO 63638-7802 · Phone (573) 663-2525 · Fax (573) 663-7844
Location 73277 US Highway 160 WDoniphan, MO 63935-5710 · Phone (573) 804-9527 · Fax (573) 804-9536
Location 8225 Physicians Park Ste 104Poplar Bluff, MO 63901-3918 · Phone (573) 413-4065 · Fax (573) 354-5013
Location 9711 Nickey StPoplar Bluff, MO 63901-6544 · Phone (573) 785-7047 ext. 13040 · Fax (573) 413-4192
Location 102300 Baugh LnPoplar Bluff, MO 63901-2402 · Phone (573) 785-3037 ext. 16044 · Fax (573) 413-4506
Location 11225 Physicians Park Ste 200Poplar Bluff, MO 63901-3921 · Phone (573) 727-5500 ext. 5 · Fax (573) 313-3684
Location 12315 W Mulberry Ste APilot Knob, MO 63663-7883 · Phone (573) 546-0602 · Fax (573) 546-0546
Location 131 Hals Plz Ste APiedmont, MO 63957-1631 · Phone (573) 223-4800 · Fax (573) 223-7911
Location 14109 Plum St Ste BDoniphan, MO 63935-1225 · Phone (573) 351-0220 · Fax (573) 996-2246
Location 15225 Physicians Park Ste 102Poplar Bluff, MO 63901-3918 · Phone (573) 727-5500 ext. 2 · Fax (573) 413-4609
Location 1611001 US-160Harviell, MO 63945 · Phone (573) 804-9561 · Fax (573) 804-9581
Location 171300 Victory LnPoplar Bluff, MO 63901-3300 · Phone (573) 785-5566 ext. 17097 · Fax (573) 413-4194
Location 18101 E Batten Streetnaylor, MO 63953 · Phone (573) 804-1779 · Fax (573) 804-1789
Location 19603 E Summit StDoniphan, MO 63935-1142 · Phone (573) 996-3667 ext. 1117 · Fax (573) 413-4487
Location 20109 Plum St Ste CDoniphan, MO 63935-1225 · Phone (573) 351-0150
Location 21405 Main StreetVan Buren, MO 63965 · Phone (573) 323-4253 · Fax (573) 323-0154
Location 22109 LeRoux StDoniphan, MO 63935-1038 · Phone (573) 996-2136 · Fax (573) 996-5216
Location 23109 Plum St Ste ADoniphan, MO 63935-1225 · Phone (573) 351-0150 · Fax (573) 996-2245
Location 2417959 Main StEminence, MO 65466-6375 · Phone (573) 226-5505 · Fax (573) 226-1256
Location 25220 East Broad StreetNaylor, MO 63953 · Phone (573) 399-2311 · Fax (573) 399-2076

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.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

Dr. Josh D. Gast D.o. 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 ID9234454257
PECOS Enrollment IDI20150216001662, I20180524000264
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

4

Medicare enrollment records show Josh Gast reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Big Springs Medical Association
Same address
Physiological Laboratory
225 PHYSICIANS PARK STE 104
Poplar Bluff, MO 63901
  • Reassigned Medicare billing, Missouri enrollment
  • 104 clinicians in this Medicare group
NPI 1265395537 (573) 413-4065
Butler Physician Services, LLC
1.6 mi
Internal Medicine
3100 OAK GROVE RD
Poplar Bluff, MO 63901
  • Reassigned Medicare billing, Missouri enrollment
  • 73 clinicians in this Medicare group
NPI 1982056545 (573) 776-2000
Pemiscot County Memorial Hospital
44 mi
Rural Health
1231 1ST ST STE 5
Kennett, MO 63857
  • Reassigned Medicare billing, Missouri enrollment
  • 81 clinicians in this Medicare group
NPI 1992807390 (573) 888-8828
Alliance Health And Dermatology, LLC
61 mi
Clinic/Center
304 S MOUNT AUBURN RD
Cape Girardeau, MO 63703
  • Reassigned Medicare billing, Missouri enrollment
  • 10 clinicians in this Medicare group
NPI 1952958449 (573) 803-3331

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.

Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
123 services103 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
101 services85 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
94 services83 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
70 services64 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
44 services40 patients
Thyroxine (thyroid chemical), free 84439
The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.
21 services21 patients

Hospital Affiliations CMS Care Compare 2

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

Missouri Delta Medical Center

Acute Care Hospitals · Sikeston, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260113
Location1008 North Main StSikeston, MO 63801 · Scott County
Emergency services Birthing friendly

Poplar Bluff Regional Medical Center

Acute Care Hospitals · Poplar Bluff, MO
2/5 CMS rating
OwnershipProprietary
CMS Certification Number260119
Location3100 Oak Grove RoadPoplar Bluff, MO 63901 · Butler County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63901 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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers24 claims24 services$20.50 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers24 claims24 services$115.99 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.

SUSHMITA THOTA MD
Pediatrics
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500
MRS. ELIZABETH ANN L'HEUREUX APRN, FNP-BC, DNP
Nurse Practitioner (Family)
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500
MELINDA GAY TAYLOR-TUCKER LCSW
Social Worker (Clinical)
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500
CORINNE DURNER FNP-C
Nurse Practitioner (Family)
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500
MRS. VIVIAN JEAN CRITES RN, FNP-BC
Nurse Practitioner (Family)
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500
CASEY WHEELER LPC
Counselor (Professional)
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500
DR. AMBER WHEELER RICHARDSON PHD
Psychologist (Clinical)
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500
BIG SPRINGS MEDICAL ASSOCIATION
Clinic/Center (Federally Qualified Health Center (FQHC))
225 PHYSICIANS PARK STE 304
POPLAR BLUFF, MO 63901
Butler County (573) 727-5500

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 Josh Gast's NPI number?

The NPI number for Josh Gast is 1437404761. It was assigned to this individual provider in the NPPES registry on July 24, 2012.

Where is Josh Gast located?

Josh Gast practices at 225 Physicians Park Ste 304, Poplar Bluff, MO 63901. The listed phone number is (573) 727-5500.

What is Josh Gast's specialty?

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

Is Josh Gast enrolled in Medicare?

Yes. Josh Gast 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 Josh Gast's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Josh Gast reassigns Medicare benefits to 4 organizations: Big Springs Medical Association (Poplar Bluff, MO), Butler Physician Services, LLC (Poplar Bluff, MO), Pemiscot County Memorial Hospital (Kennett, MO) and Alliance Health And Dermatology, LLC (Cape Girardeau, 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 Josh Gast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Josh Gast accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Josh Gast 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 Josh Gast affiliated with any hospitals?

According to CMS data, Josh Gast is affiliated with Missouri Delta Medical Center and Poplar Bluff Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Josh Gast was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.