Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WALTER JAMES GRAY MD
NPI 1821040353
Internal Medicine - Critical Care Medicine in Gainesville, GA

Active since May 16, 2006PECOS EnrolledAccepts Medicare Assignment
743 SPRING ST NE, GAINESVILLE, GA 30501(770) 219-9000(770) 219-6021 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 9, 2026, Nov 22, 2022, Oct 11, 2022 and 2 more (5 updates tracked since 2017).

About Walter James Gray Md NPPES

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

WALTER JAMES GRAY MD (NPI 1821040353) is an individual critical care medicine provider in Gainesville, Georgia, licensed in Georgia (87431) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Charleston Area Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1821040353
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameWALTER JAMES GRAYCredential: MD
Location Address743 SPRING ST NEGainesville, GA 30501-3715
Mailing AddressPo Box 742616Atlanta, GA 30374-2616 · (770) 848-8448
Fax(770) 219-6021
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 1982
Enumeration DateMay 16, 2006
Last NPPES UpdateJuly 9, 20265 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
NPI 1821040353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses Licensed in GA · 87431 Licensed in FL · ME43081 Licensed in IN · 01088744A Licensed in NC · 2014-02018 Licensed in WV · 31668
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
743 SPRING ST NE, Gainesville, GA 30501

Secondary Practice Locations 4

Location 13100 MacCorkle Ave SE Ste 816Charleston, WV 25304-1223 · Phone (304) 388-2303
Location 24420 Lake Boone TrlRaleigh, NC 27607-7505 · Phone (919) 784-3100
Location 31701 Senate BlvdIndianapolis, IN 46202-1239 · Phone (317) 962-5820 · Fax (317) 962-0500
Location 49400 Turkey Lake RdOrlando, FL 32819-8001 · Phone (407) 354-1202 · Fax (407) 351-8801

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

Walter James Gray 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 ID749274413
PECOS Enrollment IDI20240321002860, I20260519004075
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 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
91 services29 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.
46 services21 patients
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.
36 services17 patients

Hospital Affiliations CMS Care Compare

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

Charleston Area Medical Center

Acute Care Hospitals · Charleston, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number510022
Location501 Morris StreetCharleston, WV 25301 · Kanawha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30501 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.

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.

Nurse Anesthetist, Certified Registered
743 SPRING ST NE
GAINESVILLE, GA 30501
Emergency Medicine
743 SPRING ST NE
GAINESVILLE, GA 30501
Nurse Practitioner (Gerontology)
743 SPRING ST NE
GAINESVILLE, GA 30501
Emergency Medicine
743 SPRING ST NE
GAINESVILLE, GA 30501
Physician Assistant (Surgical)
743 SPRING ST NE
GAINESVILLE, GA 30501
Anesthesiologist Assistant
743 SPRING ST NE
GAINESVILLE, GA 30501
Emergency Medicine
743 SPRING ST NE
GAINESVILLE, GA 30501
Anesthesiology (Critical Care Medicine)
743 SPRING ST NE
GAINESVILLE, GA 30501

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 Walter Gray's NPI number?

The NPI number for Walter Gray is 1821040353. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Walter Gray located?

Walter Gray practices at 743 Spring St NE, Gainesville, GA 30501. The listed phone number is (770) 219-9000.

What is Walter Gray's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Walter Gray enrolled in Medicare?

Yes. Walter Gray 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 Walter Gray accept?

Health plans from Blue Cross and Blue Shield of NC, CareSource and Highmark Blue Cross Blue Shield West Virginia list Walter Gray 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 Walter Gray affiliated with any hospitals?

According to CMS data, Walter Gray is affiliated with Charleston Area Medical Center.

When was this NPI record last updated?

The NPPES record for Walter Gray was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.