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ABBY MATTHEWS DAVIDSON M.D.
NPI 1073190799
Hospitalist in Huntsville, AL

Active since March 27, 2021PECOS Enrolled
101 SIVLEY RD SW, HUNTSVILLE, AL 35801(256) 265-1000 Get Directions Write a Review

NPPES record last updated: July 30, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2024, Mar 27, 2021 (2 updates tracked since 2021).

About Abby Matthews Davidson M.d. NPPES

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

ABBY MATTHEWS DAVIDSON M.D. (NPI 1073190799) is an individual hospitalist provider in Huntsville, Alabama, licensed in Alabama (MD.45178) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073190799
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameABBY MATTHEWS DAVIDSONCredential: M.D.
Location Address101 SIVLEY RD SWHuntsville, AL 35801-4421
Mailing Address101 Sivley Rd SwHuntsville, AL 35801-4421 · (256) 265-1000
Phone(256) 265-1000
Sole ProprietorNo
Enumeration DateMarch 27, 2021
Last NPPES UpdateJuly 30, 20242 updates tracked since enumeration
NPPES CertifiedJuly 30, 2024
✔ NPI 1073190799 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in AL · MD.45178
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedPediatricsTaxonomy 208000000X · License MD.45178 (AL)
101 SIVLEY RD SW, Huntsville, AL 35801
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Abby Matthews Davidson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Abby Davidson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hh Physician Care
Same address
Internal Medicine
101 SIVLEY RD SW
Huntsville, AL 35801
  • Reassigned Medicare billing, Alabama enrollment
  • 165 clinicians in this Medicare group
NPI 1144860123 (256) 801-6036

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35801 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.

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.

DR. STEVEN CLAY OSBORNE JR. M.D.
Anesthesiology
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 539-9471
DR. MICHAEL FREDERICK DONZE JR. D.O.
Hospitalist
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 801-6047
HOWARD MASON ROBERTSON JR. M.D.
Anesthesiology
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
MELISSA PIROFSKY RICKETTS CRNP
Nurse Practitioner (Acute Care)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-3360
CASEY ZOLLO
Nurse Practitioner (Family)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
JEREMY WHALEY
Nurse Practitioner (Family)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
MIRIAM MARIE KNIGHT CRNP
Nurse Practitioner (Acute Care)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
MRS. JULIE D MCCOY CRNA
Nurse Anesthetist, Certified Registered
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000

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 Abby Davidson's NPI number?

The NPI number for Abby Davidson is 1073190799. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is Abby Davidson located?

Abby Davidson practices at 101 Sivley Rd SW, Huntsville, AL 35801. The listed phone number is (256) 265-1000.

What is Abby Davidson's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Abby Davidson enrolled in Medicare?

Yes. Abby Davidson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Abby Davidson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abby Davidson reassigns Medicare benefits to Hh Physician Care (Huntsville, AL). The 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 Abby Davidson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abby Davidson accept?

Health plans from Blue Cross and Blue Shield of Alabama and Oscar Insurance Company list Abby Davidson 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 Abby Davidson was last updated on July 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.