What is James Tumlin's specialty?

James Tumlin (NPI 1467418053) is a Medicare-billing provider whose primary specialty is Nephrology in Lawrenceville, GA.

Where does James Tumlin practice?

James Tumlin practices in Lawrenceville, GA, based on the location reported in the CMS Medicare provider datasets for NPI 1467418053.

How much does Medicare pay James Tumlin?

James Tumlin (NPI 1467418053) received approximately $31K in total Medicare Part B payments, serving 95 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1467418053

James TumlinM.D.

NephrologyLawrenceville, GAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

148

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 303 Nephrology providers in GA — bottom quintile (cohort median 1,455).

PRESCRIBING · PART D · 2024

Total Rx claims

385

Beneficiaries

—

Total drug cost

$716K

Distinct drugs

Brand share

25.2%

Top prescribed drugs

Furosemide63 claims

Allopurinol48 claims

Dapagliflozin Propanediol41 claims

Tacrolimus36 claims

Lisinopril32 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$46K

Payment records

By payment type

Consulting Fee$25K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10K

Honoraria$4K

Food and Beverage$3K

Compensation for serving as faculty or as a speaker for a medical education program$2K

Top paying entities

Consulting Fee$25K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10K

Honoraria$4K

Food and Beverage$3K

Compensation for serving as faculty or as a speaker for a medical education program$2K

REFERRAL NETWORK

Where James Tumlin's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 52 inbound referrers · 80 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PARKRIDGE MEDICAL CENTER, INC.	84	187
MEMORIAL HEALTH CARE SYSTEM INC.	78	200
DIALYSIS CLINIC INC	57	155
DIALYSIS CLINIC INC.	52	406
Mandeep Grewal Nephrology · Chattanooga, TN	47	166
Brant Holt Nephrology · Chattanooga, TN	47	152
Nathan Chamberlain Nephrology · Chattanooga, TN	46	157
FRANKLIN, DONALD	44	155
SOLSTAS LAB PARTNERS GROUP LLC	44	253
Rohit Gupta Nephrology · Chattanooga, TN	39	109
Nilesh Patel Nephrology · Chattanooga, TN	38	105
Stuart Ginther Nephrology · Chattanooga, TN	37	125

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CHATTANOOGA HAMILTON COUNTY HOSPITAL AUTHORITY	85	230
Ralph Stafford Internal Medicine · Chattanooga, TN	74	191
Rohit Gupta Nephrology · Chattanooga, TN	64	205
MEMORIAL HEALTH CARE SYSTEM INC.	58	150
DIALYSIS CLINIC INC	55	164
PARKRIDGE MEDICAL CENTER, INC.	53	111
Lindsay Crawford Nephrology · Chattanooga, TN	53	156
DIALYSIS CLINIC INC.	51	326
Nilesh Patel Nephrology · Chattanooga, TN	49	145
Theodore Richards Interventional Cardiology · Chattanooga, TN	46	118
Mandeep Grewal Nephrology · Chattanooga, TN	45	153
Hans Yehnert Nephrology · Chattanooga, TN	45	101

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events