1. Home
  2. Directory
  3. Georgia
  4. Savannah
  5. Hospitalist
  6. NPI Profile

DR. RYAN AMSTRONG MARTEN M.D.
NPI 1174866560
Hospitalist in Savannah, GA

Active since April 03, 2013PECOS EnrolledAccepts Medicare Assignment
4700 WATERS AVE, SAVANNAH, GA 31404(912) 350-0583(912) 350-7270 Get Directions Write a Review

NPPES record last updated: July 26, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ryan Amstrong Marten M.d. NPPES

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

DR. RYAN AMSTRONG MARTEN M.D. (NPI 1174866560) is an individual hospitalist provider in Savannah, Georgia, licensed in Georgia (075582) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Parkridge Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1174866560
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. RYAN AMSTRONG MARTENCredential: M.D.
Location Address4700 WATERS AVESavannah, GA 31404-6220
Mailing Address6325 Hospital Pkwy, Emory Johns Creek HospitalJohns Creek, GA 30097-5775 · (678) 474-7038 · Fax (678) 474-7033
Phone(912) 350-0583
Fax(912) 350-7270
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 3, 2013
Last NPPES UpdateJuly 26, 2016
✔ NPI 1174866560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in GA · 075582
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4700 WATERS AVE, Savannah, GA 31404
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ryan Amstrong Marten 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 ID6406150093
PECOS Enrollment IDI20211103001751
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Ryan Marten reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ess Of Eufaula, LLC
239 mi
Emergency Medicine
820 W WASHINGTON ST
Eufaula, AL 36027
  • Reassigned Medicare billing, Alabama enrollment
  • 55 clinicians in this Medicare group
NPI 1013650456 (334) 688-7276
Newgen Alabama Billing LLC
270 mi
Emergency Medicine
126 HOSPITAL AVE
Ozark, AL 36360
  • Reassigned Medicare billing, Alabama enrollment
  • 140 clinicians in this Medicare group
NPI 1013744424 (334) 774-2601
Synergy Hospitalist Partners LLC
317 mi
Hospitalist
200 MEDICAL CENTER DR SW
Fort Payne, AL 35968
  • Reassigned Medicare billing, Alabama enrollment
  • 5 clinicians in this Medicare group
NPI 1912799107 (256) 845-3150
Hospitalist Medicine Physicians Of Alabama-Tcg, Inc.
429 mi
Internal Medicine
5410 MARYLAND WAY STE 300
Brentwood, TN 37027
  • Reassigned Medicare billing, Alabama enrollment
  • 32 clinicians in this Medicare group
NPI 1144709601 (615) 377-5658

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
237 services121 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.
181 services158 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
178 services146 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
172 services88 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
69 services68 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
53 services53 patients

Hospital Affiliations CMS Care Compare

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

Parkridge Medical Center

Acute Care Hospitals · Chattanooga, TN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number440156
Location2333 Mccallie AveChattanooga, TN 37404 · Hamilton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31404 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
$124.10 typical visit price
range $53.31 – $164.04
Typical copayment $31.02 (range $13.32 – $41.01)
Most-billed visit code 99204
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers39 claims40 services$19.65 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers58 claims59 services$109.64 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier19 claims19 services$37.66 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

KRISTEN BEELER DO
Pediatrics (Neonatal-Perinatal Medicine)
4700 WATERS AVE
SAVANNAH, GA 31404
Chatham County (912) 350-8000
ERIN NICOLLE JOHNSON MD
Student in an Organized Health Care Education/Training Program
4700 WATERS AVE
SAVANNAH, GA 31404
Chatham County (912) 350-8000
DR. RAMON VERNON MEGUIAR M.D.
Obstetrics & Gynecology
4700 WATERS AVE, SUITE CAM 500
SAVANNAH, GA 31404
Chatham County (912) 350-9456
BETHANY LANDIS STEARNS ATC
Specialist/Technologist (Athletic Trainer)
4700 WATERS AVE
SAVANNAH, GA 31404
Chatham County (912) 350-8000
JEAN TOFFEY DO
General Practice
4700 WATERS AVE
SAVANNAH, GA 31404
Chatham County (912) 350-7573
SAVANNAH MULTISPECIALTY ASSOCIATES, LLC
Surgery (Surgical Critical Care)
4700 WATERS AVE
SAVANNAH, GA 31404
Chatham County (912) 350-8000
BRADLEY POST
Emergency Medicine
4700 WATERS AVE
SAVANNAH, GA 31404
Chatham County (912) 350-3849
PETER MICHAEL BRITT MD
Radiology (Vascular & Interventional Radiology)
4700 WATERS AVE
SAVANNAH, GA 31404
Chatham County (912) 350-8436

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 Ryan Marten's NPI number?

The NPI number for Ryan Marten is 1174866560. It was assigned to this individual provider in the NPPES registry on April 3, 2013.

Where is Ryan Marten located?

Ryan Marten practices at 4700 Waters Ave, Savannah, GA 31404. The listed phone number is (912) 350-0583.

What is Ryan Marten's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Ryan Marten enrolled in Medicare?

Yes. Ryan Marten 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.

Which organizations bill Medicare for Ryan Marten's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Marten reassigns Medicare benefits to 4 organizations: Ess Of Eufaula, LLC (Eufaula, AL), Newgen Alabama Billing LLC (Ozark, AL), Synergy Hospitalist Partners LLC (Fort Payne, AL) and Hospitalist Medicine Physicians Of Alabama-Tcg, Inc. (Brentwood, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Marten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ryan Marten accept?

Health plans from Blue Cross and Blue Shield of Alabama list Ryan Marten 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 Ryan Marten affiliated with any hospitals?

According to CMS data, Ryan Marten is affiliated with Parkridge Medical Center.

When was this NPI record last updated?

The NPPES record for Ryan Marten was last updated on July 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.