LUIS A ARMSTRONG M.D.
NPI 1952411670
Internal Medicine - Gastroenterology in Casper, WY

Q: What is Luis Armstrong's NPI number?

The NPI number for Luis Armstrong is 1952411670. It was assigned to this individual provider in the NPPES registry on August 30, 2006. The provider is also known as Luis Angel Armstrong M.D..

Q: What is Luis Armstrong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Luis Armstrong was last updated on November 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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 August 30, 2006PECOS EnrolledAccepts Medicare Assignment

1026 E 2ND ST, CASPER, WY 82601(073) 333-0002(307) 202-5112 Get Directions Write a Review

NPPES record last updated: November 8, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 8, 2024, Jan 2, 2023 (2 updates tracked since 2023).

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About Luis A Armstrong M.d. NPPES

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

LUIS A ARMSTRONG M.D. (NPI 1952411670) is an individual gastroenterology provider in Casper, Wyoming, licensed in Texas (M3867) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Campbell County Health, and is a graduate of Ponce School Of Medicine (2000).

NPPES Registry Identity

NPI1952411670

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameLUIS A ARMSTRONGCredential: M.D.

Location Address1026 E 2ND STCasper, WY 82601-2902

Mailing AddressPo Box 51670Casper, WY 82605-1670 · (307) 333-0002 · Fax (307) 202-5112

Phone(073) 333-0002

Fax(307) 202-5112

Sole ProprietorNo

Medical School CMSPonce School Of MedicineGraduated 2000

Enumeration DateAugust 30, 2006

Last NPPES UpdateNovember 8, 20242 updates tracked since enumeration

NPPES CertifiedNovember 8, 2024

✔ NPI 1952411670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · M3867

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1026 E 2ND ST, Casper, WY 82601

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Other Names 1

Other Name (5)Luis Angel Armstrong M.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Wyoming, Medica 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

Luis A 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 ID4486655842

PECOS Enrollment IDI20240703004030

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 13

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.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

75 services74 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

63 services62 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

56 services56 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.

55 services51 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

54 services54 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

44 services44 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 services22 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.

18 services12 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.

17 services17 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

17 services15 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

14 services13 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

13 services13 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Campbell County Health

Acute Care Hospitals · Gillette, WY

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number530002

Location501 South Burma AvenueGillette, WY 82716 · Campbell County

Emergency services

Sagewest Health Care

Acute Care Hospitals · Riverton, WY

1/5 CMS rating

OwnershipProprietary

CMS Certification Number530008

Location2100 W Sunset DrRiverton, WY 82501 · Fremont County

Emergency services

Wyoming Medical Center

Acute Care Hospitals · Casper, WY

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number530012

Location1233 East 2nd StCasper, WY 82601 · Natrona County

Emergency services Birthing friendly

Summit Medical Center

Acute Care Hospitals · Casper, WY

OwnershipPhysician

CMS Certification Number530034

Location6350 E 2nd StreetCasper, WY 82609 · Natrona County

Memorial Hospital Of Converse County

Critical Access Hospitals · Douglas, WY

OwnershipGovernment - Local

CMS Certification Number531302

Location111 South 5th StreetDouglas, WY 82633 · Converse County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82601 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

$129.37 typical visit price

range $56.42 – $170.72

Typical copayment $32.34 (range $14.10 – $42.68)

Most-billed visit code 99204

Established Patient

$99.46 typical visit price

range $18.19 – $139.32

Typical copayment $24.86 (range $4.54 – $34.83)

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.

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.

Reported Quality Measures

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

100%96 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%137 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

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

DR. WILLIAM S SHEAR MD

Internal Medicine (Gastroenterology)