MARGARET A RICHARDSON-NIXON (MD) – Internal Medicine Physician, NPI 1225033921

MARGARET A RICHARDSON-NIXON (MD) is a healthcare provider. based in Tifton, Georgia. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 55015 (GA). The NPI Number for MARGARET A RICHARDSON-NIXON (MD) is 1225033921

Main info

Female
25 Years Of Experience
Accepts Medicare Assignment
Name
MARGARET A RICHARDSON-NIXON (MD)
NPI
1225033921
Phone
(229) 391-4100
Address
2225 US HWY 41 N
Enumeration Date
17 June 2005
Last Update Date
8 March 2021

Doctor Profile

Medical School Name
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Secondary Phone
2293914100
Graduation Year
2001 (25 years ago)
PAC ID
4789651779
Group Practice PAC ID
2062745169
Professional Enrollment ID
I20040910000136
Address ID
GA317942749TI2225XNXXX500
Telehealth
Yes

Contacts

Secure Messaging
margaret.richardsonnixon@trhs.cernerdirect.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

5,405 INTERNAL MEDICINE in GA

Provider Addresses for MARGARET A RICHARDSON-NIXON (MD)

  • 2225 US HWY 41 N

    TIFTON, GA 31794

    Phone: (229) 391-4100

    Type: Mailing

  • 907 18TH ST E STE 400

    TIFTON, GA 317943684

    Phone: (229) 353-3450

    Type: Mailing

  • 2225 US HIGHWAY 41 N

    TIFTON, GA 317942749

    Phone: (229) 391-4100

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 22 Open Payments records for all available years, with a total value of $413.

Total Amount is formed as General ($413) + Research ($0) + Ownership ($0) = $413.

Last reported payment date: 2024-11-14 • Largest payer in this snapshot: Astellas Pharma US Inc ($139).

Total Amount

$413

General + Research + Ownership

Payments

22

Total payment records

General Amount

$413

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-14

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-09-10

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040910000136IInternal MedicineGATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 31794)

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Provider's Procedures

MARGARET A RICHARDSON-NIXON (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEGA85610Blood test, clotting time10038

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2062745169View full group profile
NameSpecialtyState
Nurse PractitionerGA
Nurse PractitionerGA
-GA
Nurse PractitionerGA
-GA
-GA
Nurse PractitionerGA
Family Practice, Emergency MedicineGA
Internal Medicine, Critical Care (Intensivists), Pulmonary Disease, Pulmonary DiseaseMD
-GA

Reviews

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Frequently asked questions

What is the registry number for MARGARET A RICHARDSON-NIXON (MD)?
The registry entry for MARGARET A RICHARDSON-NIXON (MD) shows NPI 1225033921.
Should I treat MARGARET A RICHARDSON-NIXON (MD) as an active provider?
Patients and plans typically see MARGARET A RICHARDSON-NIXON (MD) as active in the national extract.
How should patients interpret MARGARET A RICHARDSON-NIXON (MD)'s specialty?
The extract shows Internal Medicine Physician for MARGARET A RICHARDSON-NIXON (MD). Clinical services aligned with this taxonomy classification.
What city is tied to MARGARET A RICHARDSON-NIXON (MD)?
The directory associates MARGARET A RICHARDSON-NIXON (MD) with Tifton, Georgia. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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