What is David Zarian's specialty?

David Zarian (NPI 1629179288) is a Medicare-billing provider whose primary specialty is Internal Medicine in Encino, CA.

Where does David Zarian practice?

David Zarian practices in Encino, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1629179288.

How much does Medicare pay David Zarian?

David Zarian (NPI 1629179288) received approximately $702K in total Medicare Part B payments, serving 517 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629179288

David ZarianMD

Internal MedicineEncino, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,727

Unique beneficiaries

—

Total services

8,484

Distinct HCPCS

Medicare payment

$689K

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

17,613

Beneficiaries

—

Total drug cost

$2.5M

Distinct drugs

223

Brand share

26.0%

Top prescribed drugs

Rosuvastatin Calcium628 claims

Celecoxib545 claims

Diclofenac Sodium414 claims

Atorvastatin Calcium414 claims

Levothyroxine Sodium412 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

31.7

Cost

20.7

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$3K

Payment records

134

By payment type

Food and Beverage$3K

Top paying entities

Food and Beverage$3K

REFERRAL NETWORK

Where David Zarian'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
METROLAB, INC.	157	1,030
Radiology Disc Of Encino, Inc. Independent Diagnostic Testing Facility (IDTF) · Encino, CA	75	232
Daniel Manavi Cardiology · Tarzana, CA	38	258
Unilab Corporation Clinical Laboratory · West Hills, CA	37	114
Pasteur Inc Clinical Laboratory · Van Nuys, CA	32	149
EVERLOVING HOME HEALTH, INC.	31	129
David Rubenstein Diagnostic Radiology · Tarzana, CA	25	127
OTIKO, CHRISTOPHER	25	113
Eli Bendavid Diagnostic Radiology · Tarzana, CA	25	102
Farhad Houriani Diagnostic Radiology · North Hollywood, CA	24	194
Jack Chen Diagnostic Radiology · Tarzana, CA	23	121
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	22	113

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