NPPES file of Aug 9, 2026

Peggy Ann O'Cain, MD

Addiction Medicine (Preventive Medicine) Physician · Memphis, TN

Peggy Ann O'Cain, MD is an addiction medicine (preventive medicine) physician with a practice address in Memphis, Tennessee, and NPI 1356392567, issued on May 12, 2006. Check the license (Tennessee 40884, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356392567
Name
Peggy Ann O'Cain
Credential
MD
Primary taxonomy
Addiction Medicine (Preventive Medicine) Physician 2083A0300X
License number
40884 TN
Self-reported in NPPES; status is on the state search
Practice location
1301 Primacy Pkwy, Memphis, TN 38119
Phone
(901) 866-8630
Enumerated
May 12, 2006
Record last updated
Jun 11, 2025
Fax
(901) 302-2630
Medicare enrollment
Enrolled (PECOS I20250626003474); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 1998
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1301 Primacy Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stefania Baccino, MDFamily Medicine Physician1710474655
  2. Seth Brauman, DOFamily Medicine Physician1720791742
  3. Charlie Busby, DOFamily Medicine Physician1679950679
  4. Ahyoung ByunAmbulatory Care Pharmacist1124470430
  5. Samantha Caldwell, M.D.Family Medicine Physician1114459500
  6. Karen Carver, NP-CFamily Nurse Practitioner1083016844

Verify Peggy Ann O'Cain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 40884
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. UT Medical Group IncMemphis, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Addiction Medicine (Preventive Medicine) Physician providers in Tennessee

There are 19 addiction medicine (preventive medicine) physician records in Tennessee.

Other addiction medicine (preventive medicine) physician records in Tennessee

  1. Linda Beecher, M.D.Murfreesboro, TN1376578971
  2. Ankur Bhargava, MD, MPH, MSCBMIJohnson City, TN1982066700
  3. Alison Buttram, FNPHixson, TN1205151156
  4. Sara Connaughton, MDAthens, TN1124361647
  5. David Crabtree, M.D.Knoxville, TN1881080638
  6. Chad Elkin, M.D.Brentwood, TN1497970636
  7. Emily Hahn, M.D.Germantown, TN1811190796
  8. Donald Hamby, M.D.Chattanooga, TN1770589137
  9. Joshua Hare, D.O.Chattanooga, TN1811121924
  10. Kamran Hayel-Moghadam, M.D.Johnson City, TN1437344595

Common questions

What is Peggy Ann O'Cain, MD's NPI number?

Peggy Ann O'Cain, MD's National Provider Identifier (NPI) is 1356392567, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peggy Ann O'Cain, MD located?

The NPPES record lists a practice address at 1301 Primacy Pkwy, Memphis, TN, 38119. Phone: (901) 866-8630. Providers update this record themselves, so call before visiting.

How can I verify Peggy Ann O'Cain, MD's license?

NPPES lists Tennessee license number 40884, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.