DR. LESLIE F MASON M.D.
NPI 1275731929
Obstetrics & Gynecology in Madison, MS

Q: What is Leslie Mason's NPI number?

The NPI number for Leslie Mason is 1275731929. It was assigned to this individual provider in the NPPES registry on July 4, 2007.

Q: What is Leslie Mason's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Leslie Mason was last updated on June 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since July 04, 2007PECOS Enrolled

115 FOUNTAINS BLVD, SUITE A, MADISON, MS 39110(601) 853-0100(601) 853-3999 Get Directions Write a Review

NPPES record last updated: June 24, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Leslie F Mason M.d. NPPES

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

DR. LESLIE F MASON M.D. (NPI 1275731929) is an individual obstetrics & gynecology provider in Madison, Mississippi, licensed in Mississippi (21521) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with St Dominic-jackson Memorial Hospital, and is a graduate of University Of Mississippi School Of Medicine (2007).

NPPES Registry Identity

NPI1275731929

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. LESLIE F MASONCredential: M.D.

Location Address115 FOUNTAINS BLVD, SUITE AMadison, MS 39110-6344

Mailing Address115 Fountains Blvd, Suite AMadison, MS 39110-6344 · (601) 853-0100 · Fax (601) 853-3999

Phone(601) 853-0100

Fax(601) 853-3999

Sole ProprietorNo

Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2007

Enumeration DateJuly 4, 2007

Last NPPES UpdateJune 24, 2016

✔ NPI 1275731929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in MS · 21521

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.

115 FOUNTAINS BLVD, Madison, MS 39110

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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 Health Plan, Inc., UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leslie F Mason M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6406007996

PECOS Enrollment IDI20121109000255

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

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

Madison Ob/Gyn Associates LLC

0.1 mi

Obstetrics & Gynecology

115 FOUNTAINS BLVD, SUITE A
Madison, MS 39110

Reassigned Medicare billing, Mississippi enrollment
2 clinicians in this Medicare group

NPI 1699068775 (601) 853-0100

Jackson Healthcare For Women PA

10 mi

Obstetrics & Gynecology

291 E LAYFAIR DR
Flowood, MS 39232

Reassigned Medicare billing, Mississippi enrollment
27 clinicians in this Medicare group

NPI 1922143650 (601) 936-9190

Obhg Mississippi, P.C.

11 mi

Obstetrics & Gynecology

1225 N STATE ST STE B1
Jackson, MS 39202

Reassigned Medicare billing, Mississippi enrollment
Medicare enrollment name: Obhg Mississippi PC
145 clinicians in this Medicare group

NPI 1083995674 (800) 967-2289

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 2

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.

65 services61 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

64 services59 patients

Hospital Affiliations CMS Care Compare 2

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

St Dominic-Jackson Memorial Hospital

Acute Care Hospitals · Jackson, MS

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number250048

Location969 Lakeland DrJackson, MS 39216 · Hinds County

Emergency services Birthing friendly

Mississippi Baptist Medical Center

Acute Care Hospitals · Jackson, MS

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number250102

Location1225 N State StJackson, MS 39202 · Hinds County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39110 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

$120.41 typical visit price

range $51.65 – $159.18

Typical copayment $30.10 (range $12.91 – $39.79)

Most-billed visit code 99204

Established Patient

$64.96 typical visit price

range $16.15 – $129.61

Typical copayment $16.24 (range $4.03 – $32.40)

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.

Other Providers at the Same Location NPPES 2

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

DR. ERIKA LOVE TANNER M.D.

Obstetrics & Gynecology

115 FOUNTAINS BLVD, SUITE A
MADISON, MS 39110

Madison County (601) 853-0100

MADISON OB/GYN ASSOCIATES LLC

Obstetrics & Gynecology

115 FOUNTAINS BLVD, SUITE A
MADISON, MS 39110

Madison County (601) 853-0100

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 Leslie Mason's NPI number?

The NPI number for Leslie Mason is 1275731929. It was assigned to this individual provider in the NPPES registry on July 4, 2007.

Where is Leslie Mason located?

Leslie Mason practices at 115 Fountains Blvd Suite A, Madison, MS 39110. The listed phone number is (601) 853-0100.

What is Leslie Mason's specialty?

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

Is Leslie Mason enrolled in Medicare?

Yes. Leslie Mason is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Leslie Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Mason reassigns Medicare benefits to 3 organizations: Madison Ob/Gyn Associates LLC (Madison, MS), Jackson Healthcare For Women PA (Flowood, MS) and Obhg Mississippi, P.C. (Jackson, MS). 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 Leslie Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leslie Mason accept?

Health plans from Blue Cross and Blue Shield of Alabama, Oscar Health Plan, Inc. and UnitedHealthcare list Leslie Mason 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 Leslie Mason affiliated with any hospitals?

According to CMS data, Leslie Mason is affiliated with St Dominic-Jackson Memorial Hospital and Mississippi Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for Leslie Mason was last updated on June 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.