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HAILEY HEER MD
NPI 1215565601
Pediatrics in Pasadena, CA

Active since March 31, 2020PECOS Enrolled
800 FAIRMOUNT AVE STE 310, PASADENA, CA 91105(626) 449-7350 Get Directions Write a Review

NPPES record last updated: July 3, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 3, 2023, Mar 28, 2023, Mar 31, 2020 (3 updates tracked since 2020).

About Hailey Heer Md NPPES

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

HAILEY HEER MD (NPI 1215565601) is an individual pediatrics provider in Pasadena, California, licensed in California (A185434) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215565601
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameHAILEY HEERCredential: MD
Location Address800 FAIRMOUNT AVE STE 310Pasadena, CA 91105-3153
Mailing Address969 Hilgard Ave Apt 605Los Angeles, CA 90024-3052 · (949) 500-1253
Phone(626) 449-7350
Sole ProprietorNo
Enumeration DateMarch 31, 2020
Last NPPES UpdateJuly 3, 20233 updates tracked since enumeration
NPPES CertifiedJuly 3, 2023
✔ NPI 1215565601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A185434
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
800 FAIRMOUNT AVE STE 310, Pasadena, CA 91105
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Other Names 1

Former Name (1)Hailey Hogan Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hailey Heer Md 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 Reassignment

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

The Huntington Medical Foundation
0.3 mi
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

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 3

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

HUNTINGTON MEDICAL FOUNDATION
Pediatrics
800 FAIRMOUNT AVE STE 310
PASADENA, CA 91105
Los Angeles County (626) 449-7350
STEPHANIE SZETO MD
Pediatrics
800 FAIRMOUNT AVE STE 310
PASADENA, CA 91105
Los Angeles County (626) 449-7350
ANDREW JEREMY DARMAHKASIH MD
Pediatrics
800 FAIRMOUNT AVE STE 310
PASADENA, CA 91105
Los Angeles County (626) 449-7350

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 Hailey Heer's NPI number?

The NPI number for Hailey Heer is 1215565601. It was assigned to this individual provider in the NPPES registry on March 31, 2020. The provider is also known as Hailey Hogan MD.

Where is Hailey Heer located?

Hailey Heer practices at 800 Fairmount Ave Ste 310, Pasadena, CA 91105. The listed phone number is (626) 449-7350.

What is Hailey Heer's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Hailey Heer enrolled in Medicare?

Yes. Hailey Heer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hailey Heer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hailey Heer reassigns Medicare benefits to The Huntington Medical Foundation (Pasadena, 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 Hailey Heer'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 Hailey Heer was last updated on July 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.