YAO YAO GUAN POLLOCK MD
NPI 1154692549
Internal Medicine - Hematology & Oncology in Santa Rosa, CA

Active since January 18, 2012PECOS EnrolledAccepts Medicare Assignment
3555 ROUND BARN CIR, SANTA ROSA, CA 95403(707) 528-1050(707) 525-3874 Get Directions Write a Review

NPPES record last updated: November 9, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 9, 2021, Mar 3, 2021, Feb 3, 2021 and 1 more (4 updates tracked since 2020).

About Yao Yao Guan Pollock Md NPPES

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

YAO YAO GUAN POLLOCK MD (NPI 1154692549) is an individual hematology & oncology provider in Santa Rosa, California, licensed in California (A147607) and active in the NPI registry since January 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Johns Hopkins University School Of Medicine (2013).

NPPES Registry Identity

NPI1154692549
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameYAO YAO GUAN POLLOCKCredential: MD
Location Address3555 ROUND BARN CIRSanta Rosa, CA 95403-1757
Mailing Address3555 Round Barn CirSanta Rosa, CA 95403-1757 · (707) 528-1050 · Fax (707) 525-3874
Fax(707) 525-3874
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2013
Enumeration DateJanuary 18, 2012
Last NPPES UpdateNovember 9, 20214 updates tracked since enumeration
NPPES CertifiedNovember 9, 2021
NPI 1154692549 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in CA · A147607
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License A147607 (CA)
3555 ROUND BARN CIR, Santa Rosa, CA 95403

Other Names 1

Former Name (1)Yaoyao Guan Md

Secondary Practice Location 1

Location 1301 Mason Lord DriveBaltimore, MD 21224 · Phone (410) 550-0530

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Yao Yao Guan Pollock Md 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 ID2961798269
PECOS Enrollment IDI20200813000703
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.

Areas of Expertise CMS Part B claims 7

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
829 services193 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
203 services108 patients
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.
104 services61 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
81 services81 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
42 services25 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
40 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95403 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
$187.01 typical visit price
range $63.04 – $187.01
Typical copayment $46.75 (range $15.76 – $46.75)
Most-billed visit code 99205
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

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

Internal Medicine (Hematology & Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Internal Medicine (Medical Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Nurse Practitioner (Adult Health)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Pharmacist (Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Internal Medicine (Hematology & Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Internal Medicine (Medical Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Internal Medicine (Medical Oncology)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3555 ROUND BARN CIR
SANTA ROSA, CA 95403

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yao Yao Pollock's NPI number?

The NPI number for Yao Yao Pollock is 1154692549. It was assigned to this individual provider in the NPPES registry on January 18, 2012. The provider is also known as Yaoyao Guan MD.

Where is Yao Yao Pollock located?

Yao Yao Pollock practices at 3555 Round Barn Cir, Santa Rosa, CA 95403. The listed phone number is (707) 528-1050.

What is Yao Yao Pollock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Yao Yao Pollock enrolled in Medicare?

Yes. Yao Yao Pollock is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Yao Yao Pollock was last updated on November 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.