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DR. OSCAR L. CASTRO MD
NPI 1093743288
Internal Medicine - Endocrinology, Diabetes & Metabolism in Mobile, AL

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment
6701 AIRPORT BLVD, SUITE A101, MOBILE, AL 36608(251) 633-8880(251) 634-4503 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 7, 2026, Sep 18, 2025, Apr 8, 2019 (3 updates tracked since 2019).

About Dr. Oscar L. Castro Md NPPES

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

DR. OSCAR L. CASTRO MD (NPI 1093743288) is an individual endocrinology, diabetes & metabolism provider in Mobile, Alabama, licensed in Alabama (MD.32494) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ozarks Healthcare, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1093743288
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. OSCAR L. CASTROCredential: MD
Location Address6701 AIRPORT BLVD, SUITE A101Mobile, AL 36608-6705
Mailing AddressPo Box 617Somerton, AZ 85350-0617 · (928) 662-0406 · Fax (928) 662-0407
Phone(251) 633-8880
Fax(251) 634-4503
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJune 28, 2006
Last NPPES UpdateAugust 7, 20263 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1093743288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in AL · MD.32494✔ Licensed in IN · 010492979A✔ Licensed in MO · PENDING✔ Licensed in FL · ME90956✔ Licensed in AZ · 218694
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
6701 AIRPORT BLVD, Mobile, AL 36608
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1151 S Oak Ave Ste 2San Luis, AZ 85336-0756 · Phone (928) 662-0406 · Fax (928) 662-0407
Location 21100 N Kentucky AveWest Plains, MO 65775-2029 · Phone (417) 256-9111
Location 33560 S 4th StTerre Haute, IN 47802-5540 · Phone (812) 235-8496

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, 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. Oscar L. Castro 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 ID9133119555
PECOS Enrollment IDI20251014003154, I20251023004982, I20260625004116
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

3

Medicare enrollment records show Oscar Castro reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Alabama Providence Healthcare Services
Same address
Endocrinology, Diabetes & Metabolism
6701 AIRPORT BLVD STE D436
Mobile, AL 36608
  • Reassigned Medicare billing, Alabama enrollment
  • 102 clinicians in this Medicare group
NPI 1609446087 (251) 266-1987
Hpw Center For Diabetes, LLC
604 mi
Endocrinology, Diabetes & Metabolism
3560 S 4TH ST
Terre Haute, IN 47802
  • Reassigned Medicare billing, Indiana enrollment
  • 10 clinicians in this Medicare group
NPI 1043680515 (812) 235-8496
San Luis Walk-In Clinic, Inc.
1,529 mi
Multi-Specialty
2302 N STOCKTON HILL RD STE E-G
Kingman, AZ 86401
  • Reassigned Medicare billing, Arizona enrollment
  • 89 clinicians in this Medicare group
NPI 1609561828 (928) 315-7910

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Ozarks Healthcare

Acute Care Hospitals · West Plains, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260078
Location1100 Kentucky AveWest Plains, MO 65775 · Howell County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36608 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
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
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

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
39%391 patients2/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
16%443 patients
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
43%655 patients3/55-star benchmark: 85%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
19%512 patients1/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
94%5,238 patients4/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
88%414 patients5/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%245 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
54%1,275 patients3/55-star benchmark: 97%
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…
41%1,177 patients2/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
79%1,275 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
9%1,275 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
17%1,275 patients
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.

Referred Medical Equipment & Supplies CMS DME claims 3

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 suppliers27 claims89 services$6.39 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers13 claims21 services$1.22 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
10 suppliers75 claims76 services$180.60 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 20

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

MRS. LISA M MCKINLEY CRNA
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE 430
MOBILE, AL 36608
Mobile County (251) 631-3270
PROVIDENCE HEALTHCARE SERVICES
Obstetrics & Gynecology (Gynecologic Oncology)
6701 AIRPORT BLVD, SUITE B127
MOBILE, AL 36608
Mobile County (251) 631-3490
SETON MEDICAL MANAGEMENT INC.
Nurse Practitioner
6701 AIRPORT BLVD, SUITE C132
MOBILE, AL 36608
Mobile County (251) 631-3501
PETER CHESTNUTT COATS M.D.
Internal Medicine
6701 AIRPORT BLVD, SUITE A-101
MOBILE, AL 36608
Mobile County (251) 633-8880
MOBILE SURGERY CLINICS
Surgery
6701 AIRPORT BLVD, D231
MOBILE, AL 36608
Mobile County (251) 631-3530
BLANKENSHIP GENERAL SURGERY, LLC
Surgery
6701 AIRPORT BLVD, SUITE B-316
MOBILE, AL 36608
Mobile County (251) 634-2900
DR. CHRYSTAL MICHELLE GRIFFIS M.D.
Internal Medicine
6701 AIRPORT BLVD, SUITE A101
MOBILE, AL 36608
Mobile County (251) 633-8880
WARREN E. KOFFLER M.D.
Internal Medicine
6701 AIRPORT BLVD, SUITE A-101
MOBILE, AL 36608
Mobile County (251) 633-8880

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 Oscar Castro's NPI number?

The NPI number for Oscar Castro is 1093743288. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Oscar Castro located?

Oscar Castro practices at 6701 Airport Blvd Suite A101, Mobile, AL 36608. The listed phone number is (251) 633-8880.

What is Oscar Castro's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Oscar Castro enrolled in Medicare?

Yes. Oscar Castro 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 Oscar Castro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Castro reassigns Medicare benefits to 3 organizations: Alabama Providence Healthcare Services (Mobile, AL), Hpw Center For Diabetes, LLC (Terre Haute, IN) and San Luis Walk-In Clinic, Inc. (Kingman, AZ). 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 Oscar Castro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oscar Castro accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Oscar Castro 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 Oscar Castro affiliated with any hospitals?

According to CMS data, Oscar Castro is affiliated with Ozarks Healthcare.

When was this NPI record last updated?

The NPPES record for Oscar Castro was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.