Dr. Ralph C. Armstrong
- Gender: Male
- Experience: 37 years
- Graduated from: University Of Mississippi School Of Medicine
- Graduation year: 1984
- Sole propriator: No
- NPI: 1417975731
Dr. Ralph C. Armstrong JR. M.D.
Family Physician
He is located at 1300 Sunset Drive Suite F in Grenada, MS 38901. Can help patients with the following: Breastfeeding and Lactation, Chronic Obstructive Pulmonary Disease (COPD), Fever, Mold Exposure, Nausea and Vomiting, Osteoarthritis (OA). His National Provider Identifier (NPI) number is 1417975731. Appointment can be made via the phone number (662) 226-5747. He is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. Ralph Criss Armstrong, being an family physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Ralph C. Armstrong.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
Procedures Performed by Dr. Ralph C. Armstrong
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ralph C. Armstrong as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Choice Bronze HSA + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Complete Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Everyday Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients at some locations |
Oscar Health Plan, Inc.
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 7 plans from Oscar Health Plan, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Ralph C. Armstrong is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Ralph C. Armstrong is enrolled to bill Medicare as a Practitioner - Family Practice .
Bills through: State Of Mississippi-university Of Mississippi Medical Center
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Takeda | $87 |
| Pfizer | $23 |
| GlaxoSmithKline | $15 |
Other
| Food and Beverage | $138 |
Studies
UNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated in 1984
Looking for more Family Physicians?
There are 7 other family physicians in this region.
- Gender: Female
- Address: 960 Avent Drive Grenada, 38901, MS
- Gender: Male
- Address: Suite A 1300 Sunset Drive Grenada, 38901, MS
- Gender: Male
- Address: Suite F 1300 Sunset Drive Grenada, 38901, MS
- Gender: Male
- Address: Suite 101 1117 Sunset Drive Grenada, 38901, MS
- Gender: Male
- Address: Suite F 1300 Sunset Drive Grenada, 38901, MS
- Gender: Male
- Address: Suite B 1300 Sunset Drive Grenada, 38901, MS
- Gender: Female
- Address: Suite East 1301 Sunset Drive Grenada, 38901, MS
Questions & Answers
Where can you meet with Dr. Ralph Criss Armstrong?
Dr. Ralph Criss Armstrong's office is located at 1300 Sunset Drive Suite F in Grenada, MS 38901.
Does Dr. Ralph Criss Armstrong accept patients with Ambetter Health?
Yes, Dr. Ralph Criss Armstrong is listed in-network for Ambetter Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. Ralph Criss Armstrong have affiliation with practices?
Dr. Ralph Criss Armstrong is affiliated with UMMC Grenada. For the full list of practices see this list.
Has Dr. Ralph Criss Armstrong affiliation with hospitals?
Dr. Ralph Criss Armstrong is affiliated with UNIVERSITY OF MISSISSIPPI MEDICAL CENTER- GRENADA. For the full list of hospitals see this list.
What conditions does Dr. Ralph Criss Armstrong treat?
Dr. Ralph Criss Armstrong provides treatment for Breastfeeding and Lactation, Chronic Obstructive Pulmonary Disease (COPD), Fever, Mold Exposure, Nausea and Vomiting, Osteoarthritis (OA). For the full list see this list.