DR. CARLA MITCHELL ARMSTRONG M.D.
NPI 1346238359
Legal Medicine in Tylertown, MS

Q: What is Carla Armstrong's NPI number?

The NPI number for Carla Armstrong is 1346238359. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Q: What is Carla Armstrong's specialty?

The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.

Q: When was this NPI record last updated?

The NPPES record for Carla Armstrong was last updated on March 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since October 12, 2005PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

155 HOSPITAL DR, TYLERTOWN, MS 39667(601) 876-5337(601) 876-5190 Get Directions Write a Review

NPPES record last updated: March 12, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Carla Mitchell Armstrong M.d. NPPES

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

DR. CARLA MITCHELL ARMSTRONG M.D. (NPI 1346238359) is an individual legal medicine provider in Tylertown, Mississippi, licensed in Mississippi (14419) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Forrest General Hospital, and is a graduate of University Of Mississippi School Of Medicine (1994).

NPPES Registry Identity

NPI1346238359

Entity TypeIndividualFemale

Primary Taxonomy173000000X

Provider Legal NameDR. CARLA MITCHELL ARMSTRONGCredential: M.D.

Location Address155 HOSPITAL DRTylertown, MS 39667-2021

Mailing Address155 Hospital Dr, P O Box 424Tylertown, MS 39667-2021 · (601) 876-5337 · Fax (601) 876-5190

Phone(601) 876-5337

Fax(601) 876-5190

Sole ProprietorNo

Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 1994

Enumeration DateOctober 12, 2005

Last NPPES UpdateMarch 12, 2008

✔ NPI 1346238359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyLegal MedicineOther Service Providers

Taxonomy Code173000000X

License✔ Licensed in MS · 14419

Definition

The specialty areas of medicine concerned with matters of, and relations with, substantive law and legal institutions; such as the conduct of medical examinations at crime scenes, performance of autopsies, giving of expert medical testimony in judicial proceedings, medical treatment of inmates of penal institutions, the practice of trauma medicine in law enforcement settings, and other clinical practice and medical science applications in the fields of law, law enforcement, and corrections.

155 HOSPITAL DR, Tylertown, MS 39667

Open in Google Maps ↗

Other Identifiers 6

Medicare UPINF85331MS

Medicaid0113821MS

Other7689111MS · Aetna

Medicare ID-Type Unspecified080003251MS · Medicare

Other0130138MS · United Healthcare

Medicare ID-Type Unspecified080164299MS · Palmetto

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, 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. Carla Mitchell Armstrong 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 ID9638118433

PECOS Enrollment IDI20110126000762

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

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

Cma Family Medicine Clinic

Same address

Legal Medicine

155 HOSPITAL DR
Tylertown, MS 39667

Reassigned Medicare billing, Mississippi enrollment
2 clinicians in this Medicare group

NPI 1740278738 (601) 876-5337

Rh Emergency Medicine Of Walthall General LLC

0.1 mi

Emergency Medicine

100 HOSPITAL DR
Tylertown, MS 39667

Reassigned Medicare billing, Mississippi enrollment
61 clinicians in this Medicare group

NPI 1336901511 (601) 876-2122

Rh Hospitalist Medicine Of Walthall General LLC

0.1 mi

Hospitalist

100 HOSPITAL DR
Tylertown, MS 39667

Reassigned Medicare billing, Mississippi enrollment
62 clinicians in this Medicare group

NPI 1053173237 (601) 876-2122

Keystone Medical Services Of Ms, Inc

54 mi

Emergency Medicine

233 MAGNOLIA ST
Hazlehurst, MS 39083

Reassigned Medicare billing, Mississippi enrollment
159 clinicians in this Medicare group

NPI 1174691059 (601) 894-4541

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 15

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

348 services48 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.

199 services74 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.

126 services50 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

104 services92 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

94 services85 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

70 services36 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.

62 services53 patients

Nursing facility discharge day management, 30 minutes or less 99315

Nursing facility discharge day management involves organizing your transition from the nursing facility to your home or another facility. This service, taking 30 minutes or less, includes finalizing medical instructions, arranging follow-up care, and answering any questions.

58 services52 patients

Testing for presence of drug, read by direct observation 80305

Testing for the presence of drugs involves collecting a sample, usually urine, which is then analyzed for specific substances. The process is monitored directly to ensure accuracy and integrity. This test helps to confirm if drugs are present in your system.

31 services20 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

31 services30 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

29 services26 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

27 services25 patients

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.

26 services20 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.

19 services19 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

14 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Forrest General Hospital

Acute Care Hospitals · Hattiesburg, MS

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number250078

Location6051 Us Highway 49 SouthHattiesburg, MS 39404 · Forrest County

Emergency services Birthing friendly

Southwest Ms Regional Medical Center

Acute Care Hospitals · Mccomb, MS

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number250097

Location215 Marion Av Box 1307Mccomb, MS 39649 · Pike County

Emergency services Birthing friendly

Walthall County General Hospital Cah

Critical Access Hospitals · Tylertown, MS

OwnershipGovernment - Local

CMS Certification Number251324

Location100 Hospital DriveTylertown, MS 39667 · Walthall County

Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Improvement Activities

Cost

87.79

Referred Medical Equipment & Supplies CMS DME claims 19

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

9 suppliers57 claims191 services$5.64 avg. paid by Medicare

Normal, low and high calibrator solution / chips A4256

DME-Other DME · category DE000N

4 suppliers13 claims13 services$2.20 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

9 suppliers44 claims75 services$0.97 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

3 suppliers21 claims54 services$1.56 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

2 suppliers24 claims705 services$7.39 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims6,696 services$0.39 avg. paid by Medicare

Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154

Other-Enteral and Parenteral · category OB006N

1 supplier13 claims4,719 services$0.81 avg. paid by Medicare

Hospital bed, fixed height, with any type side rails, with mattress E0250

DME-Hospital Beds · category DB000N

1 supplier42 claims42 services$49.64 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

2 suppliers12 claims12 services$59.39 avg. paid by Medicare

Hospital bed, heavy duty, extra wide, with weight capacity greater than 350 pounds, but less than or equal to 600 pounds, with any type side rails, with mattress E0303

DME-Hospital Beds · category DB000N

1 supplier11 claims11 services$128.28 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers28 claims32 services$19.76 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier24 claims24 services$784.18 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers47 claims49 services$7.73 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

2 suppliers18 claims18 services$53.92 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

4 suppliers54 claims58 services$107.33 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

3 suppliers37 claims9,899 services$0.03 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

2 suppliers41 claims42 services$22.47 avg. paid by Medicare

Heavy duty wheelchair K0006

DME-Wheelchairs · category DD000N

2 suppliers26 claims26 services$57.83 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

3 suppliers46 claims46 services$20.01 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 3

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

SHAKITA DIANE RAWLS NURSE PRACTITIONER

Nurse Practitioner (Family)

155 HOSPITAL DR
TYLERTOWN, MS 39667

Walthall County (601) 876-5337

DR. SHARON MITCHELL COLLINS M.D.

Legal Medicine

155 HOSPITAL DR
TYLERTOWN, MS 39667

Walthall County (601) 876-5337

CMA FAMILY MEDICINE CLINIC

Legal Medicine

155 HOSPITAL DR
TYLERTOWN, MS 39667

Walthall County (601) 876-5337

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 Carla Armstrong's NPI number?

The NPI number for Carla Armstrong is 1346238359. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is Carla Armstrong located?

Carla Armstrong practices at 155 Hospital Dr, Tylertown, MS 39667. The listed phone number is (601) 876-5337.

What is Carla Armstrong's specialty?

The primary specialty registered for this NPI is Legal Medicine with taxonomy code 173000000X.

Is Carla Armstrong enrolled in Medicare?

Yes. Carla Armstrong 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 Carla Armstrong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carla Armstrong reassigns Medicare benefits to 4 organizations: Cma Family Medicine Clinic (Tylertown, MS), Rh Emergency Medicine Of Walthall General LLC (Tylertown, MS), Rh Hospitalist Medicine Of Walthall General LLC (Tylertown, MS) and Keystone Medical Services Of Ms, Inc (Hazlehurst, MS). 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 Carla Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carla Armstrong accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Carla Armstrong 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 Carla Armstrong affiliated with any hospitals?

According to CMS data, Carla Armstrong is affiliated with Forrest General Hospital, Southwest Ms Regional Medical Center and Walthall County General Hospital Cah.

When was this NPI record last updated?

The NPPES record for Carla Armstrong was last updated on March 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.