Dr. Phyllis Lynnette Mason, MD
- Medicare services, 2018
- 18
- Part D claims, 2019
- 16
- Hospital affiliations
- 1
- Industry payments
- $76
- Medical groups
- 2
- Practice address
- 501 Keyser Ave, Natchitoches, LA 71457
- Practice phone
- Call (318) 214-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mason's professional email, personal email and mobile number
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Dr. Phyllis Lynnette Mason is an OB-GYN in Natchitoches, Louisiana
Dr. Mason practices at Natchitoches Regional Medical Center in Natchitoches, Louisiana, part of Natchitoches Regional Medical Center.
Dr. Mason's NPI, 1487647285, was assigned on August 26, 2005. Dr. Mason graduated from Louisiana State University School of Medicine in New Orleans in 1988. Dr. Mason holds Louisiana license MD.11350R.
- NPI
- 1487647285NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375578107
- NPI enumeration date
- August 26, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (318) 214-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Phyllis Lynnette Mason practices at Natchitoches Regional Medical Center in Natchitoches, Louisiana
Dr. Mason's primary practice is Natchitoches Regional Medical Center, at 501 Keyser Ave, Natchitoches, LA 71457 in Natchitoches Parish. The practice phone is (318) 214-4200.
- Natchitoches Regional Medical Center501 Keyser Ave, Natchitoches, LA 71457 · Natchitoches ParishPhone(318) 214-4200
Source: Dmand AI Affiliation Data
Dr. Phyllis Lynnette Mason is affiliated with 3 sites of care and 2 medical groups
Dr. Mason's primary practice is Natchitoches Regional Medical Center in Natchitoches, Louisiana, part of Natchitoches Regional Medical Center. The medical group on file is NRMC General Surgery Associates. Dmand AI also links Dr. Mason to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Phyllis Lynnette Mason's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mason practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Natchitoches Regional Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Natchitoches Regional Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Phyllis Lynnette Mason is one of 553 OB-GYNs in Louisiana
Obstetrics and gynecology is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Mason is licensed in Louisiana.
Specialties and state licenses
- Obstetrics and gynecology, LouisianaPrimary
OB-GYNs near Dr. Mason
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Phyllis Lynnette Mason billed Medicare for 18 services in 2018
CMS data shows 18 Medicare services from Dr. Mason across 1 procedure code in 2018, all of them office visits. Medicare paid $965 for them. Every service was in an office.
Dr. Mason's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 162018: 1813%
- Lab and pathology
- 2017: 122018: 0100%
Dr. Mason compared with the Louisiana median for OB-GYNs, 2018
- Dr. Mason
- Louisiana median
- Medicare services
- 18vs 6472% below
- Part D claims
- 16vs 7980% below
Medians across 542 OB-GYNs in Louisiana with Dmand AI profiles that report each measure.
Dr. Mason's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mason?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mason and other OB-GYNs in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Phyllis Lynnette Mason's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Mason's median patient age at 47, with 82% women.
Dr. Mason's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women82%
- Men16%
Source: Dmand AI Patient Panel Data
Dr. Phyllis Lynnette Mason wrote 16 Medicare Part D claims in 2019
In 2019, Dr. Mason wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $82 in total drug cost. In 2017, CMS named 20 claims across 1 drug.
Dr. Mason's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 202019: 1620%
Drugs named by CMS: 1 in 2019, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Phyllis Lynnette Mason takes part in Medicare
Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Phyllis Lynnette Mason received $76 in industry payments from 2021 to 2025
CMS Open Payments shows 4 general payments to Dr. Mason from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Sage Therapeutics, Inc. paid the most, $43.
General payments to Dr. Mason by program year, 2021 to 2025
Companies that paid Dr. Mason the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Phyllis Lynnette Mason graduated from Louisiana State University School of Medicine in New Orleans
Dr. Mason graduated from Louisiana State University School of Medicine in New Orleans in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Phyllis Lynnette Mason's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Phyllis Lynnette Mason
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Phyllis Lynnette Mason's NPI number?
Dr. Phyllis Lynnette Mason's NPI number is 1487647285. It was assigned on August 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Phyllis Lynnette Mason?
Dr. Phyllis Lynnette Mason is an OB-GYN in Natchitoches, Louisiana. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Phyllis Lynnette Mason practice?
Dr. Mason practices at 501 Keyser Ave, Natchitoches, LA 71457. Dr. Mason's primary practice is Natchitoches Regional Medical Center in Natchitoches, Louisiana, part of Natchitoches Regional Medical Center. Dmand AI also links Dr. Mason to 2 group practices and clinics and 1 medical group.
What is Dr. Phyllis Lynnette Mason's office phone number?
The practice phone on file for Dr. Mason is (318) 214-4200.
What is Dr. Phyllis Lynnette Mason's medical license number?
Dr. Mason holds Louisiana license MD.11350R.
Which hospitals is Dr. Phyllis Lynnette Mason affiliated with?
Dr. Mason practices at Natchitoches Regional Medical Center in Natchitoches, Louisiana.
What medical group is Dr. Phyllis Lynnette Mason part of?
Dr. Mason is linked to NRMC General Surgery Associates. Dmand AI links Dr. Mason to 1 more medical group.
Does Dr. Phyllis Lynnette Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 18 services in 2018, and Dr. Mason accepts Medicare assignment.
What services does Dr. Phyllis Lynnette Mason bill to Medicare?
In 2018, Dr. Mason's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Phyllis Lynnette Mason go to medical school?
Dr. Mason graduated from Louisiana State University School of Medicine in New Orleans in 1988.
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What drugs does Dr. Phyllis Lynnette Mason prescribe most?
In 2019 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Estradiol.
Has Dr. Phyllis Lynnette Mason received payments from drug or device companies?
CMS Open Payments shows $76 in general payments to Dr. Mason from 3 companies from 2021 to 2025. The largest total came from Sage Therapeutics, Inc.
How long has Dr. Phyllis Lynnette Mason been practicing?
Dr. Mason graduated from medical school in 1988, 38 years ago.
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