What is Mary Gessner-Peterson's specialty?

Mary Gessner-Peterson (NPI 1861662884) is a Medicare-billing provider whose primary specialty is Internal Medicine in Alpine, CA.

Where does Mary Gessner-Peterson practice?

Mary Gessner-Peterson practices in Alpine, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1861662884.

How much does Medicare pay Mary Gessner-Peterson?

Mary Gessner-Peterson (NPI 1861662884) received approximately $2.0M in total Medicare Part B payments, serving 2,256 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861662884

Mary Gessner-PetersonDO

Internal MedicineAlpine, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

8,385

Unique beneficiaries

—

Total services

24,783

Distinct HCPCS

Medicare payment

$2.0M

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

40,886

Beneficiaries

—

Total drug cost

$3.2M

Distinct drugs

288

Brand share

21.4%

Top prescribed drugs

Atorvastatin Calcium2,237 claims

Pantoprazole Sodium1,626 claims

Levothyroxine Sodium1,431 claims

Gabapentin1,369 claims

Amlodipine Besylate1,362 claims

QUALITY · MIPS · 2024

Final MIPS score

73.9

Quality

56.0

Cost

33.6

Improvement activities

40.0

Promoting interop.

88.0

Payment adjustment

-0.13%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$20

Payment records

By payment type

Food and Beverage$20

Top paying entities

Food and Beverage$20

REFERRAL NETWORK

Where Mary Gessner-Peterson'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). 62 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALVARADO HOSPITAL, LLC	234	515
Brian Peterson Physician Assistant · Alpine, CA	222	1,066
HEALTHY LIVING AT HOME-SAN DIEGO LLC	145	368
American Medical Response Ambulance Service, Inc. Ambulance Service Provider · San Diego, CA	98	230
JEFFREY PINE HOLDINGS, LLC	74	407
John Lubisich Diagnostic Radiology · San Diego, CA	69	152
SDXRAY & LAB INC	58	131
Elahe Toulouie Internal Medicine · La Mesa, CA	52	308
Scott Harman Diagnostic Radiology · San Diego, CA	52	104
Alan Lurie Diagnostic Radiology · San Diego, CA	50	123
SAN DIEGO MEDICAL SERVICES ENTERPRISE, LLC	47	109
Unilab Corporation Clinical Laboratory · West Hills, CA	42	92

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