What is Carina Spencer's specialty?

Carina Spencer (NPI 1255642773) is a Medicare-billing provider whose primary specialty is Internal Medicine in Boston, MA.

Where does Carina Spencer practice?

Carina Spencer practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1255642773.

How much does Medicare pay Carina Spencer?

Carina Spencer (NPI 1255642773) received approximately $69K in total Medicare Part B payments, serving 200 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255642773

Carina SpencerM.D.

Internal MedicineBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

659

Unique beneficiaries

—

Total services

844

Distinct HCPCS

Medicare payment

$56K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — above median (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

1,431

Beneficiaries

—

Total drug cost

$23K

Distinct drugs

Brand share

4.8%

Top prescribed drugs

Atorvastatin Calcium228 claims

Levothyroxine Sodium127 claims

Omeprazole103 claims

Lisinopril97 claims

Losartan Potassium70 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (8)

Home health agency

Hospital

Hospital

Hospital

Hospital

Hospital

Inpatient rehabilitation facility

CCN 223034

Inpatient rehabilitation facility

REFERRAL NETWORK

Where Carina Spencer'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). 1 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	103	1,168

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	76	808
MASSACHUSETTS EYE AND EAR INFIRMARY	14	43
Laura Benzaquen Cardiology · Chelsea, MA	11	127

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