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PROVIDER PROFILE · NPI 1093729121

James ZimmermanM.D.

PRACTICEPACIFIC COAST CARDIAC & VASCULAR SURGEONSSee all providers at this practice →
Vascular SurgeryRedwood City, CAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050007
Hospital
CCN 050197
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
189
Beneficiaries
—
Total drug cost
$2K
Distinct drugs
3
Brand share
100.0%
Top prescribed drugs
Oxycodone Hcl/Acetaminophen114 claims
Clopidogrel Bisulfate58 claims
Sulfamethoxazole/Trimethoprim17 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$2K
Payment records
14
By payment type
Food and Beverage$1K
Travel and Lodging$487
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,320
Unique beneficiaries
—
Total services
1,624
Distinct HCPCS
30
Medicare payment
$205K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 399 Vascular Surgery providers in CA — top quintile (cohort median 763).
REFERRAL NETWORK

Where James Zimmerman'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). 38 inbound referrers · 74 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Phillip Ng
Nephrology · Redwood City, CA
64670
Jon Keller
Pathology · Palo Alto, CA
58334
OHOLLERAN, MICHAEL58131
Melissa Lim
Pulmonary Disease · Redwood City, CA
55211
BURKE, VINCENT3986
Sigal Tene
Pulmonary Disease · Redwood City, CA
3199
WHEAT, RICHARD2950
HAZEL HAWKINS MEMORIAL HOSPITAL2899
LASSEN MEDICAL GROUP INC26109
Luis Alvarez
Nephrology · Palo Alto, CA
22215
Justin Cuff
Pathology · Burlingame, CA
2143
Daniel Libke
Emergency Medicine · Piedmont, CA
2157
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
DIGNITY COMMUNITY CARE3431,554
Michael Hollett
Diagnostic Radiology · Stanford, CA
111408
Shalin Amin
Interventional Radiology · Daly City, CA
111424
Phillip Ng
Nephrology · Redwood City, CA
70795
Donald St. Claire
Interventional Cardiology · E Palo Alto, CA
64454
Melissa Lim
Pulmonary Disease · Redwood City, CA
56335
BURKE, VINCENT52174
OHOLLERAN, MICHAEL52173
STANFORD HEALTH CARE51223
WHEAT, RICHARD49145
Jon Keller
Pathology · Palo Alto, CA
49207
Jenny Kuo
Pathology · South San Francisco, CA
45138
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.