1. Home
  2. Directory
  3. Missouri
  4. Saint James
  5. Family Medicine
  6. NPI Profile

DR. GREGORY V. MAYNARD D.O.
NPI 1063450187
Family Medicine in Saint James, MO

Active since June 02, 2006PECOS EnrolledAccepts Medicare Assignment
1000 N JEFFERSON ST, SAINT JAMES, MO 65559(573) 265-8840(573) 202-2474 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gregory V. Maynard D.o. NPPES

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

DR. GREGORY V. MAYNARD D.O. (NPI 1063450187) is an individual family medicine provider in Saint James, Missouri, licensed in Missouri (113166) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Phelps County Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1063450187
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. GREGORY V. MAYNARDCredential: D.O.
Location Address1000 N JEFFERSON STSaint James, MO 65559-1078
Mailing Address1050 W 10th StRolla, MO 65401-2905 · (573) 364-9000 · Fax (573) 426-2108
Phone(573) 265-8840
Fax(573) 202-2474
Sole ProprietorNo
Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 1997
Enumeration DateJune 2, 2006
Last NPPES UpdateJune 11, 2026
NPPES CertifiedJune 11, 2026
✔ NPI 1063450187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · 113166
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1000 N JEFFERSON ST, Saint James, MO 65559
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11000 W 10th StRolla, MO 65401-2905 · Phone (573) 458-8899 · Fax (573) 341-5611
Location 2404 E Rolla RdSalem, MO 65560-1563 · Phone (573) 729-6225 · Fax (573) 729-7258

Other Identifiers 3

Other431560263MO · Tricare
OtherP00313978MO · Railroad Medicare
Medicaid244666541MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.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 V. Maynard 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 ID1254372386
PECOS Enrollment IDI20050518000899
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 7

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.
125 services107 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
100 services19 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
40 services31 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services23 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
16 services14 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.
15 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Phelps County Regional Medical Center

Acute Care Hospitals · Rolla, MO
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number260017
Location1000 W 10th StRolla, MO 65401 · Phelps County
Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Mercy Hospital Lebanon

Acute Care Hospitals · Lebanon, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260059
Location100 Hospital DriveLebanon, MO 65536 · Laclede County
Emergency services Birthing friendly

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

Salem Memorial District Hospital

Critical Access Hospitals · Salem, MO
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number261318
LocationPO Box 774,Salem, MO 65560 · Dent County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65559 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
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
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 23

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
10 suppliers98 claims253 services$6.46 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
4 suppliers19 claims19 services$2.95 avg. paid by Medicare
Spring-powered device for lancet, each A4258
DME-Other DME · category DE000N
4 suppliers11 claims11 services$1.84 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
8 suppliers36 claims64 services$1.16 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers11 claims11 services$43.19 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers20 claims20 services$105.44 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 8

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

FOREST CITY FAMILY PRACTICE LLC
Family Medicine
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840
DR. HUGH A SCHUETZ D.O.
Family Medicine
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840
FOREST CITY FAMILY PRACTICE LLC
Family Medicine
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840
DR. RACHELLE L GORRELL D.O.
Family Medicine
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840
TIFFANY GAIL BLAND
Family Medicine
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840
ALLISON BLACKSHER PA
Physician Assistant
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840
MEGAN MCBRIDE FNP
Nurse Practitioner (Family)
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840
DR. JENNIFER NICOLE O'MALLEY M.D,
Family Medicine
1000 N JEFFERSON ST
SAINT JAMES, MO 65559
Phelps County (573) 265-8840

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 Maynard's NPI number?

The NPI number for Gregory Maynard is 1063450187. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Gregory Maynard located?

Gregory Maynard practices at 1000 N Jefferson St, Saint James, MO 65559. The listed phone number is (573) 265-8840.

What is Gregory Maynard's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Maynard enrolled in Medicare?

Yes. Gregory Maynard 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 Maynard accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 6 other insurers list Gregory Maynard 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 Maynard affiliated with any hospitals?

According to CMS data, Gregory Maynard is affiliated with Phelps County Regional Medical Center, Mercy Hospital Washington, Mercy Hospital Lebanon, Mercy Hospital Springfield and Salem Memorial District Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Maynard was last updated on June 11, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.