ANDREW STEVEN GAHAGAN MD
NPI 1609372812
Internal Medicine - Hematology & Oncology in Baton Rouge, LA

Active since April 05, 2018PECOS EnrolledAccepts Medicare Assignment
4950 ESSEN LN, BATON ROUGE, LA 70809(225) 767-0847(225) 767-1335 Get Directions Write a Review

NPPES record last updated: July 30, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 30, 2024, Jul 3, 2024 (2 updates tracked since 2024).

About Andrew Steven Gahagan Md NPPES

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

ANDREW STEVEN GAHAGAN MD (NPI 1609372812) is an individual hematology & oncology provider in Baton Rouge, Louisiana, licensed in Louisiana (339937) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2018).

NPPES Registry Identity

NPI1609372812
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameANDREW STEVEN GAHAGANCredential: MD
Location Address4950 ESSEN LNBaton Rouge, LA 70809-3738
Mailing Address625 19th Street SouthBirmingham, AL 35249
Fax(225) 767-1335
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2018
Enumeration DateApril 5, 2018
Last NPPES UpdateJuly 30, 20242 updates tracked since enumeration
NPPES CertifiedJuly 30, 2024
NPI 1609372812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in LA · 339937
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 339937 (LA)
4950 ESSEN LN, Baton Rouge, LA 70809

Accepted 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

Andrew Steven Gahagan Md 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 ID6901151547
PECOS Enrollment IDI20240722001615
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 4

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
58 services22 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
27 services18 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services13 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Our Lady Of The Lake Regional Medical Center

Acute Care Hospitals · Baton Rouge, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number190064
Location5000 Hennessy BlvdBaton Rouge, LA 70808 · E. Baton Rouge County
Emergency services

Baton Rouge General Medical Center

Acute Care Hospitals · Baton Rouge, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190065
Location8585 Picardy AveBaton Rouge, LA 70809 · E. Baton Rouge County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70809 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
$164.73 typical visit price
range $53.43 – $164.73
Typical copayment $41.18 (range $13.35 – $41.18)
Most-billed visit code 99205
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

Dietitian, Registered (Nutrition, Oncology)
4950 ESSEN LN
BATON ROUGE, LA 70809
Internal Medicine (Hematology & Oncology)
4950 ESSEN LN, SUITE 500
BATON ROUGE, LA 70809
Nurse Practitioner (Adult Health)
4950 ESSEN LN, SUITE 300
BATON ROUGE, LA 70809
Nurse Anesthetist, Certified Registered
4950 ESSEN LN, REGIONAL EYE SURGERY CENTER
BATON ROUGE, LA 70809
Nurse Practitioner (Adult Health)
4950 ESSEN LN, SUITE 300
BATON ROUGE, LA 70809
Internal Medicine (Hematology & Oncology)
4950 ESSEN LN, SUITE 300
BATON ROUGE, LA 70809
Radiology (Radiation Oncology)
4950 ESSEN LN
BATON ROUGE, LA 70809
Internal Medicine (Hematology & Oncology)
4950 ESSEN LN
BATON ROUGE, LA 70809

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 Andrew Gahagan's NPI number?

The NPI number for Andrew Gahagan is 1609372812. It was assigned to this individual provider in the NPPES registry on April 5, 2018.

Where is Andrew Gahagan located?

Andrew Gahagan practices at 4950 Essen Ln, Baton Rouge, LA 70809. The listed phone number is (225) 767-0847.

What is Andrew Gahagan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Andrew Gahagan enrolled in Medicare?

Yes. Andrew Gahagan 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 Andrew Gahagan accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 2 other insurers list Andrew Gahagan 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 Andrew Gahagan affiliated with any hospitals?

According to CMS data, Andrew Gahagan is affiliated with Our Lady Of The Lake Regional Medical Center and Baton Rouge General Medical Center.

When was this NPI record last updated?

The NPPES record for Andrew Gahagan was last updated on July 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.