npidexNPI registry + Medicare data

TAMMY SIEVERS, MD

Rheumatology Physician · VENTURA, CA

Individual Active NPI 1619004694

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20242941,051$172,459$105,556$76,005
20232881,082$183,184$111,827$80,946
20222921,182$195,077$119,697$84,894

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more777$102$74
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more113$69$51
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more45$140$105
99215Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more38$151$96
99205New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more24$190$140
20610Aspiration and/or injection of fluid from large joint20$49$39
G2211Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's17$17$11

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Rheumatology Physician207RR0500X✓A110176CA

Medicare eligibility

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

Other Rheumatology Physician providers in California

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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.