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PATRICK FARRELL HAMMEN M.D.
NPI 1164461505
Colon & Rectal Surgery in Smyrna, GA

Active since June 04, 2006PECOS EnrolledAccepts Medicare Assignment
92.93/100
CMS Quality Rating
4441 ATLANTA RD SE STE 312, SMYRNA, GA 30080(470) 956-4200 Get Directions Write a Review

NPPES record last updated: October 9, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Patrick Farrell Hammen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PATRICK FARRELL HAMMEN M.D. (NPI 1164461505) is an individual colon & rectal surgery provider in Smyrna, Georgia, licensed in Georgia (043383) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Wellstar Paulding Medical Center, and is a graduate of Mercer University School Of Medicine (1992).

NPPES Registry Identity

NPI1164461505
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NamePATRICK FARRELL HAMMENCredential: M.D.
Location Address4441 ATLANTA RD SE STE 312Smyrna, GA 30080
Mailing Address4441 Atlanta Rd Se Ste 312Smyrna, GA 30080-6443 · (470) 956-4200
Phone(470) 956-4200
Sole ProprietorNo
Medical School CMSMercer University School Of MedicineGraduated 1992
Enumeration DateJune 4, 2006
Last NPPES UpdateOctober 9, 2019
✔ NPI 1164461505 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in GA · 043383
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
4441 ATLANTA RD SE STE 312, Smyrna, GA 30080
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Other Identifiers 7

Other280000998GA · Railroad Medicare
Medicaid000791392AGA
Medicaid000791392CGA
Other10065608GA · Amerigroup
Other349778GA · Wellcare
MedicaidG43383SC
Medicaid000791392BGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Patrick Farrell Hammen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153360433
PECOS Enrollment IDI20050426001252
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
47 services30 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
38 services38 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
26 services24 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
17 services12 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
12 services12 patients
Partial removal of large bowel using an endoscope 44204
This procedure involves the use of a thin, flexible tube (endoscope) to partially remove the large bowel. It helps in treating conditions like polyps or tumors. The procedure is minimally invasive, reducing recovery time.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wellstar Paulding Medical Center

Acute Care Hospitals · Hiram, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110042
Location2518 Jimmy Lee Smith ParkwayHiram, GA 30141 · Paulding County

Wellstar Cobb Medical Center

Acute Care Hospitals · Austell, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110143
Location3950 Austell RdAustell, GA 30106 · Cobb County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30080 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.93/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.38
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EMILY T KRAUSE
Physician Assistant
4441 ATLANTA RD SE STE 312
SMYRNA, GA 30080
Cobb County (470) 956-4219
ANUSHKA VAVITRA ARUMUGASAAMY M.D.
Colon & Rectal Surgery
4441 ATLANTA RD SE STE 312
SMYRNA, GA 30080
Cobb County (470) 956-4200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick Hammen's NPI number?

The NPI number for Patrick Hammen is 1164461505. It was assigned to this individual provider in the NPPES registry on June 4, 2006.

Where is Patrick Hammen located?

Patrick Hammen practices at 4441 Atlanta Rd SE Ste 312, Smyrna, GA 30080. The listed phone number is (470) 956-4200.

What is Patrick Hammen's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Patrick Hammen enrolled in Medicare?

Yes. Patrick Hammen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Patrick Hammen accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list Patrick Hammen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Patrick Hammen affiliated with any hospitals?

According to CMS data, Patrick Hammen is affiliated with Wellstar Paulding Medical Center and Wellstar Cobb Medical Center.

When was this NPI record last updated?

The NPPES record for Patrick Hammen was last updated on October 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.