Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Theresa Lynn Catlin, NP, RN

Individual provider Oncology Registered Nurse · NPI 1861627028

Theresa Lynn Catlin, NP, RN is a Nurse Practitioner in Marietta, Georgia. Qualified in 2003, 23 years ago. Practices with Wellstar Medical Group LLC, a 3,072-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
23
Licensed in
GA
In the registry since
2009
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

613 Roselane St NW
Marietta, GA 30060-6940
Phone: (770) 792-9800
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence RN172224 (GA)
Oncology Registered Nurse Taxonomy 163WX0200X · Licence RN172224 (GA)

Record details

NPI number1861627028
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP , RN
Sole proprietorNo
NPI enumeratedMay 18, 2009
Last updated in NPPESApril 17, 2024
Certification dateApril 17, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Wellstar Medical Group Llc — 3072 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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