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

DR. EDNA WONG-MCKINSTRY M.D.
NPI 1295997211
Internal Medicine in Grenada, MS

Active since July 01, 2008PECOS Enrolled
960 AVENT DR, GRENADA, MS 38901(888) 815-2005 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 14, 2026, Oct 5, 2023, Sep 7, 2022 and 4 more (7 updates tracked since 2017).

About Dr. Edna Wong-mckinstry M.d. NPPES

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

DR. EDNA WONG-MCKINSTRY M.D. (NPI 1295997211) is an individual internal medicine provider in Grenada, Mississippi, licensed in Mississippi (30706) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Hillsboro Area Hospital, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1295997211
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. EDNA WONG-MCKINSTRYCredential: M.D.
Location Address960 AVENT DRGrenada, MS 38901-5230
Mailing AddressPo Box 11407Birmingham, AL 35246-2130 · (888) 815-2005
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJuly 1, 2008
Last NPPES UpdateOctober 23, 20267 updates tracked since enumeration
NPPES CertifiedOctober 23, 2026
✔ NPI 1295997211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MS · 30706✔ Licensed in AZ · 44626✔ Licensed in IL · 036145058✔ Licensed in MO · 2016009554✔ Licensed in NC · 2016-01960✔ Licensed in IN · 01079554A✔ Licensed in TX · Q2870
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 ListedHospitalistTaxonomy 208M00000X · License 2016-01960 (NC), 036145058 (IL), 2016009554 (MO)
960 AVENT DR, Grenada, MS 38901

Other Names 1

Other Name (5)Dr. Edna Siew Ling Wong Mckinstry Md

Accepted 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. Edna Wong-mckinstry M.d. 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 ID547431447
PECOS Enrollment IDI20150317002125, I20160427001827, I20190220003143, I20230511001936
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

33

Medicare enrollment records show Edna Wong-mckinstry reassigns Medicare billing to 33 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
965 AVENT DR, SUITE 100A
Grenada, MS 38901
  • Reassigned Medicare billing, Mississippi enrollment
  • 1,932 clinicians in this Medicare group
Emergency Medicine
960 AVENT DR
Grenada, MS 38901
  • Reassigned Medicare billing, Mississippi enrollment
  • 83 clinicians in this Medicare group
Hospitalist
960 AVENT DR
Grenada, MS 38901
  • Reassigned Medicare billing, Mississippi enrollment
  • 44 clinicians in this Medicare group
Hospitalist
1100 BELK BLVD
Oxford, MS 38655
  • Reassigned Medicare billing, Mississippi enrollment
  • 170 clinicians in this Medicare group
Internal Medicine
3330 MASONIC DR
Alexandria, LA 71301
  • Reassigned Medicare billing, Louisiana enrollment
  • 111 clinicians in this Medicare group
Internal Medicine
2531 VIKING DR
Bossier City, LA 71111
  • Reassigned Medicare billing, Louisiana enrollment
  • 104 clinicians in this Medicare group
Hospitalist
539 E PRUDHOMME ST
Opelousas, LA 70570
  • Reassigned Medicare billing, Louisiana enrollment
  • 27 clinicians in this Medicare group
Hospitalist
8000 W JUDGE PEREZ DR
Chalmette, LA 70043
  • Reassigned Medicare billing, Louisiana enrollment
  • 60 clinicians in this Medicare group
Hospitalist
2810 AMBASSADOR CAFFERY PKWY
Lafayette, LA 70506
  • Reassigned Medicare billing, Louisiana enrollment
  • 67 clinicians in this Medicare group
Hospitalist
2315 E MAIN ST
New Iberia, LA 70560
  • Reassigned Medicare billing, Louisiana enrollment
  • 93 clinicians in this Medicare group

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 14

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.
63 services60 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
54 services54 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
45 services44 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.
42 services42 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
42 services37 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
31 services31 patients

Hospital Affiliations CMS Care Compare 3

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

Hillsboro Area Hospital

Critical Access Hospitals · Hillsboro, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141332
Location1200 E Tremont StreetHillsboro, IL 62049 · Montgomery County
Emergency services

Holmes County Hospital And Clinics

Critical Access Hospitals · Lexington, MS
OwnershipGovernment - State
CMS Certification Number251319
Location239 Bowling Green RoadLexington, MS 39095 · Holmes County
Emergency services

Moberly Regional Medical Center

Acute Care Hospitals · Moberly, MO
3/5 CMS rating
OwnershipProprietary
CMS Certification Number260074
Location1515 Union AveMoberly, MO 65270 · Randolph County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38901 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
$120.41 typical visit price
range $51.65 – $159.18
Typical copayment $30.10 (range $12.91 – $39.79)
Most-billed visit code 99204
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
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
2 suppliers25 claims26 services$17.50 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
2 suppliers25 claims26 services$96.91 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.

Medicare Defined Swing Bed Unit
960 AVENT DR
GRENADA, MS 38901
Psychiatry & Neurology (Psychiatry)
960 AVENT DR, UMC GRENADA SENIOR CARE UNIT
GRENADA, MS 38901
Emergency Medicine
960 AVENT DR
GRENADA, MS 38901
Skilled Nursing Facility
960 AVENT DR
GRENADA, MS 38901
Psychiatric Hospital
960 AVENT DR
GRENADA, MS 38901
Nurse Anesthetist, Certified Registered
960 AVENT DR
GRENADA, MS 38901
Home Health
960 AVENT DR
GRENADA, MS 38901
Nurse Anesthetist, Certified Registered
960 AVENT DR
GRENADA, MS 38901

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 Edna Wong-mckinstry's NPI number?

The NPI number for Edna Wong-mckinstry is 1295997211. It was assigned to this individual provider in the NPPES registry on July 1, 2008. The provider is also known as Dr. Edna Siew Ling Wong Mckinstry MD.

Where is Edna Wong-mckinstry located?

Edna Wong-mckinstry practices at 960 Avent Dr, Grenada, MS 38901. The listed phone number is (888) 815-2005.

What is Edna Wong-mckinstry's specialty?

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

Is Edna Wong-mckinstry enrolled in Medicare?

Yes. Edna Wong-mckinstry 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 Edna Wong-mckinstry's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Edna Wong-mckinstry reassigns Medicare benefits to 33 organizations: State Of Mississippi-University Of Mississippi Medical Center (Grenada, MS), Grenada Emergency Group, LLC (Grenada, MS), Grenada Physician Services, LLC (Grenada, MS), Comprehensive Hospitalists Of Ms, LLC (Oxford, MS), Central Louisiana Physicians, LLC (Alexandria, LA) and 28 more organizations, listed in the Medicare section above. 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 Edna Wong-mckinstry's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Edna Wong-mckinstry accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health of TX, Blue Cross and Blue Shield of NC, Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan and 4 other insurers list Edna Wong-mckinstry 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 Edna Wong-mckinstry affiliated with any hospitals?

According to CMS data, Edna Wong-mckinstry is affiliated with Hillsboro Area Hospital, Holmes County Hospital And Clinics and Moberly Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Edna Wong-mckinstry was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.