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KATHERINE VIRGINIA GRETTE MD
NPI 1326492281
Obstetrics & Gynecology in Mobile, AL

Active since April 18, 2016PECOS EnrolledAccepts Medicare Assignment
93.51/100
CMS Quality Rating
1601 CENTER ST STE D, MOBILE, AL 36604(251) 415-1496(251) 415-1450 Get Directions Write a Review

NPPES record last updated: September 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 20, 2025, Dec 6, 2023, May 5, 2020 (3 updates tracked since 2020).

About Katherine Virginia Grette Md NPPES

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

KATHERINE VIRGINIA GRETTE MD (NPI 1326492281) is an individual obstetrics & gynecology provider in Mobile, Alabama, licensed in Alabama (MD.37275) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1326492281
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHERINE VIRGINIA GRETTECredential: MD
Location Address1601 CENTER ST STE DMobile, AL 36604-1541
Mailing AddressPo Box 746450Atlanta, GA 30374-6450 · (866) 401-3057 · Fax (318) 868-6430
Phone(251) 415-1496
Fax(251) 415-1450
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 18, 2016
Last NPPES UpdateSeptember 25, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2025
✔ NPI 1326492281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in AL · MD.37275✔ Licensed in NC · 2022-02251
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1601 CENTER ST STE D, Mobile, AL 36604
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Molina Healthcare, UnitedHealthcare.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

Katherine Virginia Grette 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 ID9931497229
PECOS Enrollment IDI20200716004210
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

2

Medicare enrollment records show Katherine Grette reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usa Health Physician Billing Services LLC
Same address
Obstetrics & Gynecology
1601 CENTER ST
Mobile, AL 36604
  • Reassigned Medicare billing, Alabama enrollment
  • 857 clinicians in this Medicare group
NPI 1013574722 (251) 415-1496
Bayou La Batre Area Health Development Board, Inc.
19 mi
Federally Qualified Health Center (FQHC)
12701 PADGETT SWITCH RD
Irvington, AL 36544
  • Reassigned Medicare billing, Alabama enrollment
  • 24 clinicians in this Medicare group
NPI 1396794426 (251) 824-2174

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 36604 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
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
Most-billed visit code 99213
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.

93.51/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.23
Promoting Interoperability100
Improvement Activities40

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 Katherine Grette's NPI number?

The NPI number for Katherine Grette is 1326492281. It was assigned to this individual provider in the NPPES registry on April 18, 2016.

Where is Katherine Grette located?

Katherine Grette practices at 1601 Center St Ste D, Mobile, AL 36604. The listed phone number is (251) 415-1496.

What is Katherine Grette's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Katherine Grette enrolled in Medicare?

Yes. Katherine Grette 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 Katherine Grette's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Grette reassigns Medicare benefits to 2 organizations: Usa Health Physician Billing Services LLC (Mobile, AL) and Bayou La Batre Area Health Development Board, Inc. (Irvington, AL). 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 Katherine Grette's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Grette accept?

Health plans from Blue Cross and Blue Shield of Alabama, Molina Healthcare and UnitedHealthcare list Katherine Grette 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 Katherine Grette was last updated on September 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.