What is Heather Marks's specialty?

Heather Marks (NPI 1568481398) is a Medicare-billing provider whose primary specialty is Internal Medicine in Manchester, NH.

Where does Heather Marks practice?

Heather Marks practices in Manchester, NH, based on the location reported in the CMS Medicare provider datasets for NPI 1568481398.

How much does Medicare pay Heather Marks?

Heather Marks (NPI 1568481398) received approximately $33K in total Medicare Part B payments, serving 239 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1568481398

Heather MarksMD

PRACTICEDARTMOUTH-HITCHCOCK CLINICSee all providers at this practice →

Internal MedicineManchester, NHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

427

Unique beneficiaries

—

Total services

654

Distinct HCPCS

Medicare payment

$31K

Peer benchmark

Total Medicare services vs. 460 Internal Medicine providers in NH — above median (cohort median 578).

PRESCRIBING · PART D · 2024

Total Rx claims

3,685

Beneficiaries

—

Total drug cost

$205K

Distinct drugs

Brand share

15.3%

Top prescribed drugs

Atorvastatin Calcium319 claims

Levothyroxine Sodium256 claims

Amlodipine Besylate236 claims

Lisinopril213 claims

Simvastatin174 claims

QUALITY · MIPS · 2024

Final MIPS score

79.7

Quality

53.5

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.20%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Heather Marks'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MARY HITCHCOCK MEMORIAL HOSPITAL	207	1,061
Diana Pascu Internal Medicine · Manchester, NH	24	149
NPI 1073681631	16	33
Jennifer Jones Internal Medicine · Derry, NH	14	38
JOSELOW, WANE	11	27
Angela Chavez Family Practice · Rocky River, OH	11	19

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