PROVIDER PROFILE · NPI 1972684348

Charles LynchMD

NephrologySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

725

Unique beneficiaries

—

Total services

1,645

Distinct HCPCS

Medicare payment

$246K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

1,340

Beneficiaries

—

Total drug cost

$217K

Distinct drugs

Brand share

17.2%

Top prescribed drugs

Amlodipine Besylate126 claims

Losartan Potassium117 claims

Metformin Hcl61 claims

Atorvastatin Calcium61 claims

Lisinopril56 claims

QUALITY · MIPS · 2024

Final MIPS score

96.3

Quality

80.8

Cost

73.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.90%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$32

Payment records

By payment type

Education$32

REFERRAL NETWORK

Where Charles Lynch'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). 34 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CARPENTER, HOWARD	51	133
Joshua Bernstein Nephrology · San Francisco, CA	50	130
Ilyas Iliya Internal Medicine · San Francisco, CA	49	153
Derk Purcell Diagnostic Radiology · San Francisco, CA	40	61
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	37	92
STEVENS, SUSAN	37	135
NPI 1275567943	31	81
Myron Marx Diagnostic Radiology · San Francisco, CA	29	50
TOTAL RENAL CARE INC	26	371
Michael Borah Internal Medicine · San Francisco, CA	25	78
Edward Baker Diagnostic Radiology · San Francisco, CA	25	76
MOON, KIRK	23	59

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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