DR. CALVIN D. ALEXANDER M.D.
NPI 1780689224
Internal Medicine - Critical Care Medicine in Shreveport, LA

Active since June 20, 2005PECOS EnrolledAccepts Medicare Assignment
2551 GREENWOOD RD STE 210, SHREVEPORT, LA 71103(318) 635-0834(318) 636-2331 Get Directions Write a Review

NPPES record last updated: June 16, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Calvin D. Alexander M.d. NPPES

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

DR. CALVIN D. ALEXANDER M.D. (NPI 1780689224) is an individual critical care medicine provider in Shreveport, Louisiana, licensed in Louisiana (09167R) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Willis Knighton Medical Center, and is a graduate of University Of Texas Medical Branch At Galveston (1987).

NPPES Registry Identity

NPI1780689224
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. CALVIN D. ALEXANDERCredential: M.D.
Location Address2551 GREENWOOD RD STE 210Shreveport, LA 71103-3985
Mailing Address2551 Greenwood Rd Ste 210Shreveport, LA 71103-3985 · (318) 635-0834 · Fax (318) 636-2331
Fax(318) 636-2331
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1987
Enumeration DateJune 20, 2005
Last NPPES UpdateJune 16, 2021
NPPES CertifiedJune 16, 2021
NPI 1780689224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in LA · 09167R
Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 09167R (LA)
2551 GREENWOOD RD STE 210, Shreveport, LA 71103

Other Identifiers 1

Medicaid1129933LA

Accepted 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. Calvin D. Alexander 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 ID1850480468
PECOS Enrollment IDI20090116000408
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 5

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.

Follow-up hospital inpatient care per day, typically 35 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.
232 services106 patients
Follow-up hospital inpatient care per day, typically 25 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.
101 services57 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
68 services46 patients
Follow-up hospital inpatient care per day, typically 15 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
45 services30 patients
Initial hospital inpatient care per day, typically 70 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.
44 services43 patients

Hospital Affiliations CMS Care Compare

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

Willis Knighton Medical Center

Acute Care Hospitals · Shreveport, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190111
Location2600 Greenwood RoadShreveport, LA 71103 · Caddo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71103 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
$124.60 typical visit price
range $53.43 – $164.73
Typical copayment $31.15 (range $13.35 – $41.18)
Most-billed visit code 99204
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
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.

Other Providers at the Same Location NPPES 10

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

Physician Assistant (Medical)
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103
Nurse Practitioner (Family)
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103
Nurse Practitioner (Acute Care)
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103
Internal Medicine
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103
Internal Medicine (Critical Care Medicine)
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103
Internal Medicine (Critical Care Medicine)
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103
Nurse Practitioner (Critical Care Medicine)
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103
Nurse Practitioner (Acute Care)
2551 GREENWOOD RD STE 210
SHREVEPORT, LA 71103

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 Calvin Alexander's NPI number?

The NPI number for Calvin Alexander is 1780689224. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Where is Calvin Alexander located?

Calvin Alexander practices at 2551 Greenwood Rd Ste 210, Shreveport, LA 71103. The listed phone number is (318) 635-0834.

What is Calvin Alexander's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Calvin Alexander enrolled in Medicare?

Yes. Calvin Alexander 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 Calvin Alexander accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter from Superior HealthPlan and HMO Louisiana list Calvin Alexander 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 Calvin Alexander affiliated with any hospitals?

According to CMS data, Calvin Alexander is affiliated with Willis Knighton Medical Center.

When was this NPI record last updated?

The NPPES record for Calvin Alexander was last updated on June 16, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.