HAAD MAHMOOD M.D.
NPI 1891133450
Hospitalist in Pasadena, CA

Q: What is Haad Mahmood's NPI number?

The NPI number for Haad Mahmood is 1891133450. It was assigned to this individual provider in the NPPES registry on June 5, 2013.

Q: What is Haad Mahmood's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Haad Mahmood was last updated on July 8, 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.

Active since June 05, 2013PECOS Enrolled

100 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 397-8300 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 8, 2025, Nov 16, 2023 (2 updates tracked since 2023).

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About Haad Mahmood M.d. NPPES

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

HAAD MAHMOOD M.D. (NPI 1891133450) is an individual hospitalist provider in Pasadena, California, licensed in California (A132056) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in Oak Brook.

NPPES Registry Identity

NPI1891133450

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameHAAD MAHMOODCredential: M.D.

Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010

Mailing Address2012 Midwest Club PkwyOak Brook, IL 60523-2526

Phone(626) 397-8300

Sole ProprietorYes

Enumeration DateJune 5, 2013

Last NPPES UpdateJuly 8, 20252 updates tracked since enumeration

NPPES CertifiedJuly 8, 2025

✔ NPI 1891133450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · A132056

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License A132056 (CA), ZEROS (CA)

100 W CALIFORNIA BLVD, Pasadena, CA 91105

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Secondary Practice Location 1

Location 12012 Midwest Club PkwyOak Brook, IL 60523-2526 · Phone (630) 887-2690

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Haad Mahmood M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Haad Mahmood reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Huntington Medical Foundation

Same address

Internal Medicine

100 W CALIFORNIA BLVD
Pasadena, CA 91105

Reassigned Medicare billing, California enrollment
204 clinicians in this Medicare group

NPI 1154467181 (626) 397-8335

Huntington Park Emergency Physicians, Inc

11 mi

Emergency Medicine

2623 E SLAUSON AVE
Huntington Park, CA 90255

Reassigned Medicare billing, California enrollment
74 clinicians in this Medicare group

NPI 1053747121 (310) 321-0143

Cedars-Sinai Medical Care Foundation

14 mi

Specialist

6500 WILSHIRE BLVD FL 15
Los Angeles, CA 90048

Reassigned Medicare billing, California enrollment
2,118 clinicians in this Medicare group

NPI 1316984388 (310) 385-3200

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

380 services129 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

89 services86 patients

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.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers14 claims14 services$13.82 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers14 claims14 services$62.73 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

SARAH STEPHENS NP

Nurse Practitioner (Acute Care)