BETTY S AHN MD
NPI 1902862089
Emergency Medicine in Pasadena, CA

Q: What is Betty Ahn's NPI number?

The NPI number for Betty Ahn is 1902862089. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Q: What is Betty Ahn's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Betty Ahn was last updated on June 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment

100 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 397-3445(626) 397-5643 Get Directions Write a Review

NPPES record last updated: June 5, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Betty S Ahn Md NPPES

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

BETTY S AHN MD (NPI 1902862089) is an individual emergency medicine provider in Pasadena, California, licensed in California (A77991) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2000).

NPPES Registry Identity

NPI1902862089

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameBETTY S AHNCredential: MD

Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010

Mailing AddressPo Box 60259Los Angeles, CA 90060-0259 · (626) 447-0296 · Fax (626) 447-6057

Phone(626) 397-3445

Fax(626) 397-5643

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2000

Enumeration DateApril 26, 2006

Last NPPES UpdateJune 5, 2008

✔ NPI 1902862089 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A77991

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

100 W CALIFORNIA BLVD, Pasadena, CA 91105

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Other Identifiers 5

Medicare PINWA77991DCA

Medicaid00A779910CA

Medicare PINWA77991GCA

Medicare PINWA77991ECA

Medicare UPINH90915

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

Betty S Ahn 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 ID3375513542

PECOS Enrollment IDI20040727000919

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 5

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

241 services227 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

176 services164 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

127 services123 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

117 services112 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

22 services22 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

$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 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)