AMMARA TARIQ GILL MD
NPI 1447482096
Internal Medicine - Hematology & Oncology in Walnut Creek, CA

Active since August 16, 2009PECOS EnrolledAccepts Medicare Assignment
91.04/100
CMS Quality Rating
177 LA CASA VIA STE 390, WALNUT CREEK, CA 94598(925) 692-5610 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 9, 2022, Jun 11, 2020 (2 updates tracked since 2020).

About Ammara Tariq Gill Md NPPES

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

AMMARA TARIQ GILL MD (NPI 1447482096) is an individual hematology & oncology provider in Walnut Creek, California, licensed in California (A154333) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Box Butte General Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1447482096
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameAMMARA TARIQ GILLCredential: MD
Location Address177 LA CASA VIA STE 390Walnut Creek, CA 94598-6101
Mailing Address1450 Treat Blvd # 300Walnut Creek, CA 94597-2168 · (925) 952-2828
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateAugust 16, 2009
Last NPPES UpdateApril 17, 20252 updates tracked since enumeration
NPPES CertifiedApril 17, 2025
NPI 1447482096 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 · A154333
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 MedicineTaxonomy 207R00000X · License 2012019220 (MO)
177 LA CASA VIA STE 390, Walnut Creek, CA 94598

Other Names 1

Former Name (1)Ammara Hassan Tahir

Secondary Practice Locations 2

Location 1619 5th StMarysville, CA 95901-5647 · Phone (530) 749-4400 · Fax (916) 454-1287
Location 2400 Taylor Blvd Ste 202Pleasant Hill, CA 94523-2163 · Phone (925) 677-5041

Accepted Insurance

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

Ammara Tariq Gill 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 ID1557511862
PECOS Enrollment IDI20181127001899, I20220818001269
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 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 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.
160 services50 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Box Butte General Hospital

Critical Access Hospitals · Alliance, NE
OwnershipGovernment - Local
CMS Certification Number281360
LocationP O Box 810, 2101 Box Butte AveAlliance, NE 69301 · Box Butte County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

91.04/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.13
Promoting Interoperability100
Improvement Activities40
Cost64.1

Other Providers at the Same Location NPPES 15

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

Nurse Practitioner
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598
Nurse Practitioner (Family)
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598
Nurse Practitioner
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598
Physician Assistant
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598
Nurse Practitioner
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598
Internal Medicine (Hematology & Oncology)
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598
Internal Medicine (Hematology & Oncology)
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598
Internal Medicine (Hematology & Oncology)
177 LA CASA VIA STE 390
WALNUT CREEK, CA 94598

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 Ammara Gill's NPI number?

The NPI number for Ammara Gill is 1447482096. It was assigned to this individual provider in the NPPES registry on August 16, 2009. The provider is also known as Ammara Hassan Tahir.

Where is Ammara Gill located?

Ammara Gill practices at 177 La Casa Via Ste 390, Walnut Creek, CA 94598. The listed phone number is (925) 692-5610.

What is Ammara Gill's specialty?

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

Is Ammara Gill enrolled in Medicare?

Yes. Ammara Gill 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.

What insurance does Ammara Gill accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Blue Cross and Blue Shield of Nebraska and 2 other insurers list Ammara Gill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ammara Gill affiliated with any hospitals?

According to CMS data, Ammara Gill is affiliated with Box Butte General Hospital.

When was this NPI record last updated?

The NPPES record for Ammara Gill was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.