Patrick Farrell Hammen, MD - Medicare Colorectal Surgery (proctology) in Smyrna, GA

  1. Home
Patrick Farrell Hammen, MD is a medicare enrolled "Colon & Rectal Surgery" physician in Smyrna, Georgia. He went to Mercer University School Of Medicine and graduated in 1992 and has 34 years of diverse experience with area of expertise as Colorectal Surgery (proctology). He is a member of the group practice Wellstar Medical Group Llc and his current practice location is 4441 Atlanta Rd Se Ste 312, Smyrna, Georgia. You can reach out to his office (for appointments etc.) via phone at (470) 956-4200.

Patrick Farrell Hammen is licensed to practice in Georgia (license number 043383) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1164461505.

Contact Information

Patrick Farrell Hammen, MD
4441 Atlanta Rd Se Ste 312,
Smyrna, GA 30080
(470) 956-4200
Not Available

Map and Direction




Physician's Profile

Full NamePatrick Farrell Hammen
GenderMale
SpecialityColorectal Surgery (proctology)
Experience34 Years
Location4441 Atlanta Rd Se Ste 312, Smyrna, Georgia
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Patrick Farrell Hammen attended and graduated from Mercer University School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1164461505
  • Provider Enumeration Date: 06/04/2006
  • Last Update Date: 10/09/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 1153360433
  • Enrollment ID: I20050426001252

Medical Identifiers

Medical identifiers for Patrick Farrell Hammen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164461505NPI-NPPES
G43383MedicaidSC
000791392AMedicaidGA
000791392BMedicaidGA
10065608OtherGAAMERIGROUP
349778OtherGAWELLCARE
280000998OtherGARAILROAD MEDICARE
000791392CMedicaidGA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208C00000XColon & Rectal Surgery 043383 (Georgia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Wellstar Cobb Medical CenterAustell, GAHospital
Wellstar Paulding Medical CenterHiram, GAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Wellstar Medical Group Llc67090654023059

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Patrick Farrell Hammen allows following entities to bill medicare on his behalf.
Entity NameMppg Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033131172
PECOS PAC ID: 7012829351
Enrollment ID: O20040223000338
Entity NameWellstar Medical Group LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558664003
PECOS PAC ID: 6709065402
Enrollment ID: O20110127000374

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Patrick Farrell Hammen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Patrick Farrell Hammen, MD
4441 Atlanta Rd Se Ste 312,
Smyrna, GA 30080-6443

Ph: (470) 956-4200		Patrick Farrell Hammen, MD
4441 Atlanta Rd Se Ste 312,
Smyrna, GA 30080

Ph: (470) 956-4200

Reviews and Comments



Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.