PROVIDER PROFILE · NPI 1134126246

Nathan ChamberlainM.D.

NephrologyChattanooga, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,721

Unique beneficiaries

—

Total services

8,127

Distinct HCPCS

Medicare payment

$394K

Peer benchmark

Total Medicare services vs. 164 Nephrology providers in TN — top quintile (cohort median 1,430).

PRESCRIBING · PART D · 2024

Total Rx claims

863

Beneficiaries

—

Total drug cost

$46K

Distinct drugs

Brand share

16.0%

Top prescribed drugs

Furosemide92 claims

Losartan Potassium84 claims

Amlodipine Besylate68 claims

Spironolactone55 claims

Carvedilol46 claims

QUALITY · MIPS · 2024

Final MIPS score

94.7

Quality

81.3

Cost

73.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.83%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$112

Payment records

By payment type

Food and Beverage$111

Education$0

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Dialysis facility

Hospital

Hospital

Hospital

Inpatient rehabilitation facility

REFERRAL NETWORK

Where Nathan Chamberlain'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). 131 inbound referrers · 247 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEMORIAL HEALTH CARE SYSTEM INC.	435	3,686
Nilesh Patel Nephrology · Chattanooga, TN	231	1,012
RIMER, THOMAS	159	578
Mandeep Grewal Nephrology · Chattanooga, TN	156	651
Brant Holt Nephrology · Chattanooga, TN	141	471
George Watson Diagnostic Radiology · Chattanooga, TN	124	477
PIEZ, CHARLES	122	409
PARKRIDGE MEDICAL CENTER, INC.	120	433
SOLSTAS LAB PARTNERS GROUP LLC	106	239
William Rowlett Diagnostic Radiology · Chattanooga, TN	106	343
Stuart Ginther Nephrology · Chattanooga, TN	100	290
FRANKLIN, DONALD	88	331

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MEMORIAL HEALTH CARE SYSTEM INC.	406	3,849
SOLSTAS LAB PARTNERS GROUP LLC	270	633
Brant Holt Nephrology · Chattanooga, TN	166	632
Nilesh Patel Nephrology · Chattanooga, TN	162	814
CHATTANOOGA HAMILTON COUNTY HOSPITAL AUTHORITY	155	449
Mandeep Grewal Nephrology · Chattanooga, TN	148	563
GALPHIN, CLAUDE	147	669
Hans Yehnert Nephrology · Chattanooga, TN	144	517
James Hoback Internal Medicine · Chattanooga, TN	140	349
George Watson Diagnostic Radiology · Chattanooga, TN	122	454
John Bisese Diagnostic Radiology · Chattanooga, TN	120	343
Lindsay Crawford Nephrology · Chattanooga, TN	118	367

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