DR. TANYA SIDDIQI M.D.
NPI 1467408948
Internal Medicine - Hematology in Duarte, CA

Q: What is Tanya Siddiqi's NPI number?

The NPI number for Tanya Siddiqi is 1467408948. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Q: What is Tanya Siddiqi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Q: When was this NPI record last updated?

The NPPES record for Tanya Siddiqi was last updated on June 27, 2022. 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.

Active since May 26, 2006PECOS EnrolledAccepts Medicare Assignment

99.12/100

CMS Quality Rating

1500 E. DUARTE ROAD, CITY OF HOPE MEDICAL CENTER, DUARTE, CA 91010(626) 256-4673(626) 301-8973 Get Directions Write a Review

NPPES record last updated: June 27, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 11, 2020, Mar 9, 2018, Nov 7, 2017 and 3 more (6 updates tracked since 2017).

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About Dr. Tanya Siddiqi M.d. NPPES

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

DR. TANYA SIDDIQI M.D. (NPI 1467408948) is an individual hematology provider in Duarte, California, licensed in California (A107162) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1467408948

Entity TypeIndividualFemale

Primary Taxonomy207RH0000X

Provider Legal NameDR. TANYA SIDDIQICredential: M.D.

Location Address1500 E. DUARTE ROAD, CITY OF HOPE MEDICAL CENTERDuarte, CA 91010

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185

Phone(626) 256-4673

Fax(626) 301-8973

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateMay 26, 2006

Last NPPES UpdateJune 27, 20226 updates tracked since enumeration

NPPES CertifiedJune 27, 2022

✔ NPI 1467408948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0000X

License✔ Licensed in CA · A107162

Definition

An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

Also ListedInternal MedicineTaxonomy 207R00000X · License A107162 (CA)

1500 E. DUARTE ROAD, Duarte, CA 91010

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Secondary Practice Locations 2

Location 11000 FivepointIrvine, CA 92618-2377 · Phone (949) 671-4673 · Fax (949) 671-4329

Location 21601 Avocado AveNewport Beach, CA 92660-7798 · Phone (949) 763-2204 · Fax (949) 536-8036

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

Dr. Tanya Siddiqi 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 ID9931253994

PECOS Enrollment IDI20090811000304

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 Reassignment

Medicare enrollment records show Tanya Siddiqi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Hope Medical Foundation

0.2 mi

Hematology & Oncology

1500 DUARTE RD
Duarte, CA 91010

Reassigned Medicare billing, California enrollment
1,335 clinicians in this Medicare group

NPI 1871886366 (626) 256-4673

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 4

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.

472 services182 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.

383 services198 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.

55 services55 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.

24 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91010 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

99.12/100

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

Scored as part of a group practice

Quality

85.23

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

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

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