Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIENNA VICTORIA TITEN M.D.
NPI 1760745038
Obstetrics & Gynecology in Santa Cruz, CA

Q: What is Sienna Titen's NPI number?

The NPI number for Sienna Titen is 1760745038. It was assigned to this individual provider in the NPPES registry on June 20, 2012.

Q: What is Sienna Titen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Sienna Titen was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 20, 2012PECOS EnrolledAccepts Medicare Assignment

96.5/100

CMS Quality Rating

1505 SOQUEL DR STE 1, SANTA CRUZ, CA 95065(831) 465-5440(831) 462-2017 Get Directions Write a Review

NPPES record last updated: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 1, 2026, Jan 5, 2026, Aug 20, 2023 (3 updates tracked since 2023).

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About Sienna Victoria Titen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIENNA VICTORIA TITEN M.D. (NPI 1760745038) is an individual obstetrics & gynecology provider in Santa Cruz, California, licensed in California (A128806) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1760745038

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameSIENNA VICTORIA TITENCredential: M.D.

Location Address1505 SOQUEL DR STE 1Santa Cruz, CA 95065-1716

Mailing AddressPo Box 542Santa Cruz, CA 95061-0542 · (831) 427-3500 · Fax (831) 427-7785

Phone(831) 465-5440

Fax(831) 462-2017

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateJune 20, 2012

Last NPPES UpdateOctober 1, 20263 updates tracked since enumeration

NPPES CertifiedOctober 1, 2026

✔ NPI 1760745038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · A128806

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

1505 SOQUEL DR STE 1, Santa Cruz, CA 95065

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Secondary Practice Locations 3

Location 11510 Capitola RdSanta Cruz, CA 95062-2912 · Phone (831) 427-3500 · Fax (831) 457-2486

Location 25161 Soquel DrSoquel, CA 95073-2560 · Phone (831) 515-7078 · Fax (833) 312-0098

Location 3250 Locust StSanta Cruz, CA 95060-3813 · Phone (831) 427-3500 · Fax (831) 457-2486

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sienna Victoria Titen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981999430

PECOS Enrollment IDI20160823000387

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Sienna Titen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Santa Cruz Community Health Centers

0.8 mi

Clinic/Center

1510 CAPITOLA RD
Santa Cruz, CA 95062

Reassigned Medicare billing, California enrollment
25 clinicians in this Medicare group

NPI 1952749541 (831) 427-3500

Svmhs Clinics

29 mi

Multi-Specialty

505 E ROMIE LN STE A
Salinas, CA 93901

Reassigned Medicare billing, California enrollment
310 clinicians in this Medicare group

NPI 1093158347 (831) 755-1701

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

67 services39 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

29 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$141.77 typical visit price

range $62.97 – $186.69

Typical copayment $35.44 (range $15.74 – $46.67)

Most-billed visit code 99204

Established Patient

$77.84 typical visit price

range $21.02 – $153.16

Typical copayment $19.46 (range $5.25 – $38.29)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.34

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HSUAN-CHIH CHEN MD

Obstetrics & Gynecology