What is Charles Nager's specialty?

Charles Nager (NPI 1669405478) is a Medicare-billing provider whose primary specialty is Obstetrics & Gynecology in La Jolla, CA.

Where does Charles Nager practice?

Charles Nager practices in La Jolla, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1669405478.

How much does Medicare pay Charles Nager?

Charles Nager (NPI 1669405478) received approximately $54K in total Medicare Part B payments, serving 162 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669405478

Charles NagerM.D

PRACTICEUCSDSee all providers at this practice →

Obstetrics & GynecologyLa Jolla, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

254

Unique beneficiaries

—

Total services

2,560

Distinct HCPCS

Medicare payment

$34K

Peer benchmark

Total Medicare services vs. 1,761 Obstetrics & Gynecology providers in CA — top quintile (cohort median 118).

PRESCRIBING · PART D · 2024

Total Rx claims

409

Beneficiaries

—

Total drug cost

$177K

Distinct drugs

Brand share

71.9%

Top prescribed drugs

Mirabegron130 claims

Estradiol85 claims

Nitrofurantoin Monohyd/M-Cryst60 claims

Estradiol35 claims

Sulfamethoxazole/Trimethoprim17 claims

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

84.1

Cost

73.9

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Charles Nager'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF CALIFORNIA	140	731
Quinn Lippmann Obstetrics & Gynecology · Richmond, VA	16	34
Unilab Corporation Clinical Laboratory · West Hills, CA	12	30

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events