HUMA JAVED AHMAD D.O.
NPI 1154587616
Hospitalist in Vacaville, CA

Active since August 04, 2008PECOS EnrolledAccepts Medicare Assignment
1 QUALITY DR, VACAVILLE, CA 95688(707) 624-1266 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 11, 2022, Jan 11, 2016 (2 updates tracked since 2016).

About Huma Javed Ahmad D.o. NPPES

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

HUMA JAVED AHMAD D.O. (NPI 1154587616) is an individual hospitalist provider in Vacaville, California, licensed in California (20A 10652) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1154587616
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameHUMA JAVED AHMADCredential: D.O.
Location Address1 QUALITY DRVacaville, CA 95688-9494
Mailing Address1 Quality DrVacaville, CA 95688-9494 · (707) 624-1266
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 4, 2008
Last NPPES UpdateFebruary 11, 20222 updates tracked since enumeration
✔ NPI 1154587616 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · 20A 10652
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
1 QUALITY DR, Vacaville, CA 95688

Other Names 1

Professional Name (2)Huma Javed D.o.

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

Huma Javed Ahmad D.o. 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 ID8426197294
PECOS Enrollment IDI20091208000474
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 Huma Ahmad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95688 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
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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 20

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

Nurse Anesthetist, Certified Registered
1 QUALITY DR
VACAVILLE, CA 95688
Physical Therapist
1 QUALITY DR
VACAVILLE, CA 95688
Respiratory Therapist, Registered
1 QUALITY DR
VACAVILLE, CA 95688
Physical Medicine & Rehabilitation
1 QUALITY DR, B36
VACAVILLE, CA 95688
Occupational Therapist
1 QUALITY DR
VACAVILLE, CA 95688
Orthopaedic Surgery
1 QUALITY DR
VACAVILLE, CA 95688
Family Medicine
1 QUALITY DR
VACAVILLE, CA 95688
Clinic/Center (Adult Mental Health)
1 QUALITY DR
VACAVILLE, CA 95688

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 Huma Ahmad's NPI number?

The NPI number for Huma Ahmad is 1154587616. It was assigned to this individual provider in the NPPES registry on August 4, 2008. The provider is also known as Huma Javed D.O..

Where is Huma Ahmad located?

Huma Ahmad practices at 1 Quality Dr, Vacaville, CA 95688. The listed phone number is (707) 624-1266.

What is Huma Ahmad's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Huma Ahmad enrolled in Medicare?

Yes. Huma Ahmad 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.

Which organization bills Medicare for Huma Ahmad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Huma Ahmad reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Huma Ahmad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Huma Ahmad was last updated on February 11, 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.