WEI BAI MD
NPI 1053567545
Internal Medicine - Hematology & Oncology in Santa Maria, CA

Q: What is Wei Bai's NPI number?

The NPI number for Wei Bai is 1053567545. It was assigned to this individual provider in the NPPES registry on August 15, 2008.

Q: What is Wei Bai's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Wei Bai was last updated on April 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 15, 2008PECOS EnrolledAccepts Medicare Assignment

96.5/100

CMS Quality Rating

1325 E CHURCH ST STE 301, SANTA MARIA, CA 93454(805) 349-9393(805) 349-1155 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 22, 2026, Nov 2, 2023, Dec 20, 2022 and 2 more (5 updates tracked since 2016).

On this page

About Wei Bai Md NPPES

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

WEI BAI MD (NPI 1053567545) is an individual hematology & oncology provider in Santa Maria, California, licensed in California (C166101) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Arroyo Grande, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1053567545

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameWEI BAICredential: MD

Location Address1325 E CHURCH ST STE 301Santa Maria, CA 93454-5915

Mailing Address1325 E Church St Ste 301Santa Maria, CA 93454-5915 · (805) 349-9393 · Fax (805) 614-7929

Phone(805) 349-9393

Fax(805) 349-1155

Sole ProprietorNo

Medical School CMSOtherGraduated 1995

Enumeration DateAugust 15, 2008

Last NPPES UpdateApril 22, 20265 updates tracked since enumeration

NPPES CertifiedApril 22, 2026

✔ NPI 1053567545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in CA · C166101✔ Licensed in OR · MD153848

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.

1325 E CHURCH ST STE 301, Santa Maria, CA 93454

Open in Google Maps ↗

Secondary Practice Location 1

Location 1850 Fair Oaks Ave Ste 100Arroyo Grande, CA 93420-3929 · Phone (805) 473-0700 · Fax (805) 474-5313

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

Wei Bai 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 ID1456525385

PECOS Enrollment IDI20200513000824

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 6

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.

735 services235 patients

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.

247 services87 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.

118 services85 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.

46 services46 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

31 services31 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

21 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93454 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

$184.40 typical visit price

range $62.01 – $184.40

Typical copayment $46.10 (range $15.50 – $46.10)

Most-billed visit code 99205

Established Patient

$108.26 typical visit price

range $20.60 – $151.20

Typical copayment $27.06 (range $5.15 – $37.80)

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.

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

Leave this field empty

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.

HEATHER DIANNE CUNNINGHAM MD

Internal Medicine (Hematology & Oncology)