DR. ANGELA ROSS HAY M.D.
NPI 1194737080
Internal Medicine - Pulmonary Disease in Arcadia, CA

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.

Active since August 12, 2006PECOS Enrolled

450 E HUNTINGTON DR, ARCADIA, CA 91006(626) 462-1884(626) 445-1542 Get Directions Write a Review

NPPES record last updated: December 26, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Angela Ross Hay M.d. NPPES

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

DR. ANGELA ROSS HAY M.D. (NPI 1194737080) is an individual pulmonary disease provider in Arcadia, California, licensed in California (G70207) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Pasadena.

NPPES Registry Identity

NPI1194737080

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameDR. ANGELA ROSS HAYCredential: M.D.

Location Address450 E HUNTINGTON DRArcadia, CA 91006-3748

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203

Phone(626) 462-1884

Fax(626) 445-1542

Sole ProprietorNo

Enumeration DateAugust 12, 2006

Last NPPES UpdateDecember 26, 2025

NPPES CertifiedDecember 26, 2025

✔ NPI 1194737080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · G70207

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

450 E HUNTINGTON DR, Arcadia, CA 91006

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Secondary Practice Location 1

Location 1100 W California BlvdPasadena, CA 91105-3010 · Phone (626) 795-2244

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Angela Ross Hay 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Follow-up hospital inpatient care per day, typically 35 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

63 services20 patients

Follow-up hospital inpatient care per day, typically 25 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.

22 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91006 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.

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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