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PETER SIDAROUS MD
NPI 1881072544
Family Medicine in Little Rock, AR

Active since May 14, 2015PECOS EnrolledAccepts Medicare Assignment
11521 W MARKHAM ST, LITTLE ROCK, AR 72211(501) 502-2765(501) 302-1991 Get Directions Write a Review

NPPES record last updated: March 4, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 4, 2021, Oct 10, 2018 (2 updates tracked since 2018).

About Peter Sidarous Md NPPES

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

PETER SIDAROUS MD (NPI 1881072544) is an individual family medicine provider in Little Rock, Arkansas, licensed in Arkansas (E100-91) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1881072544
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NamePETER SIDAROUSCredential: MD
Location Address11521 W MARKHAM STLittle Rock, AR 72211-2701
Mailing Address11521 W Markham StLittle Rock, AR 72211-2701 · (501) 502-2765 · Fax (501) 302-1991
Phone(501) 502-2765
Fax(501) 302-1991
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateMay 14, 2015
Last NPPES UpdateMarch 4, 20212 updates tracked since enumeration
NPPES CertifiedMarch 4, 2021
✔ NPI 1881072544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in AR · E100-91
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
11521 W MARKHAM ST, Little Rock, AR 72211
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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 from Superior HealthPlan 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

Peter Sidarous Md 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 ID8123302486
PECOS Enrollment IDI20170306000271
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

7

Medicare enrollment records show Peter Sidarous reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sidarous, LLC
Same address
Family Medicine
11521 W MARKHAM ST
Little Rock, AR 72211
  • Reassigned Medicare billing, Arkansas enrollment
  • 2 clinicians in this Medicare group
NPI 1326531534 (501) 502-2765
Ess Of Fordyce LLC
65 mi
Emergency Medicine
201 N CLIFTON ST
Fordyce, AR 71742
  • Reassigned Medicare billing, Arkansas enrollment
  • 125 clinicians in this Medicare group
NPI 1821547977 (870) 352-6300
Hospital Care Consultants Of Fordyce LLC
65 mi
Hospitalist
201 N CLIFTON ST
Fordyce, AR 71742
  • Reassigned Medicare billing, Arkansas enrollment
  • 121 clinicians in this Medicare group
NPI 1316497464 (870) 352-6300
Nes Kentucky Inc
101 mi
Emergency Medicine
130 MEDICAL CIR
Nashville, AR 71852
  • Reassigned Medicare billing, Arkansas enrollment
  • 47 clinicians in this Medicare group
NPI 1902348048 (870) 845-4400
Arkansas Emergency Staffing Solutions, Inc
102 mi
Emergency Medicine
2001 S MAIN ST
Hope, AR 71801
  • Reassigned Medicare billing, Arkansas enrollment
  • 323 clinicians in this Medicare group
NPI 1275774630 (870) 777-2323
Emergency Staffing Solutions Region III
281 mi
Emergency Medicine
17304 PRESTON RD, SUITE 1400
Dallas, TX 75252
  • Reassigned Medicare billing, Arkansas enrollment
  • 130 clinicians in this Medicare group
NPI 1689967895 (866) 931-8882
Medical Office Force
517 mi
Internal Medicine
2005 PRINCE AVENUE
Athens, GA 30606
  • Reassigned Medicare billing, Arkansas enrollment
  • 5 clinicians in this Medicare group
NPI 1508378613 (706) 208-9700

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 3

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.
101 services36 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
45 services14 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
19 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72211 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
$79.72 typical visit price
range $51.36 – $157.74
Typical copayment $19.93 (range $12.84 – $39.43)
Most-billed visit code 99203
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
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

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

SIDAROUS, LLC
Family Medicine
11521 W MARKHAM ST
LITTLE ROCK, AR 72211
Pulaski County (501) 502-2765

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 Peter Sidarous's NPI number?

The NPI number for Peter Sidarous is 1881072544. It was assigned to this individual provider in the NPPES registry on May 14, 2015.

Where is Peter Sidarous located?

Peter Sidarous practices at 11521 W Markham St, Little Rock, AR 72211. The listed phone number is (501) 502-2765.

What is Peter Sidarous's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Peter Sidarous enrolled in Medicare?

Yes. Peter Sidarous 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 Peter Sidarous's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Sidarous reassigns Medicare benefits to 7 organizations: Sidarous, LLC (Little Rock, AR), Ess Of Fordyce LLC (Fordyce, AR), Hospital Care Consultants Of Fordyce LLC (Fordyce, AR), Nes Kentucky Inc (Nashville, AR), Arkansas Emergency Staffing Solutions, Inc (Hope, AR) and 2 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 Peter Sidarous's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Sidarous accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Peter Sidarous 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.

When was this NPI record last updated?

The NPPES record for Peter Sidarous was last updated on March 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.