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DR. ELLEN KATHLEEN MCDONALD M.D.
NPI 1679751408
Internal Medicine in Pasadena, CA

Active since February 04, 2008PECOS EnrolledAccepts Medicare AssignmentCLIA 05D2050937 · Waiver
800 FAIRMOUNT AVE, SUITE 210, PASADENA, CA 91105(626) 872-4195(626) 628-1836 Get Directions Write a Review

NPPES record last updated: November 26, 2010. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Dr. Ellen Kathleen Mcdonald M.d. NPPES

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

DR. ELLEN KATHLEEN MCDONALD M.D. (NPI 1679751408) is an individual internal medicine provider in Pasadena, California, licensed in California (A102543) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through December 9, 2026, and is a graduate of University Of Southern California Keck School Of Medicine (2006).

NPPES Registry Identity

NPI1679751408
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ELLEN KATHLEEN MCDONALDCredential: M.D.
Location Address800 FAIRMOUNT AVE, SUITE 210Pasadena, CA 91105-3150
Mailing Address800 Fairmount Ave, Suite 210Pasadena, CA 91105-3150 · (626) 872-4195 · Fax (626) 628-1836
Phone(626) 872-4195
Fax(626) 628-1836
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2006
Enumeration DateFebruary 4, 2008
Last NPPES UpdateNovember 26, 2010
✔ NPI 1679751408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A102543
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
800 FAIRMOUNT AVE, Pasadena, CA 91105
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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

Dr. Ellen Kathleen Mcdonald M.d. 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 ID3779633805
PECOS Enrollment IDI20090611000574
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2050937

Ellen Mcdonald MD Inc · Pasadena, CA
Active · expires Dec 9, 2026
CLIA Number05D2050937
Laboratory TypePhysician Office
Certificate Effective DateDecember 10, 2024
Certificate Expiration DateDecember 9, 2026
Laboratory DirectorEllen K. Mcdonald
Laboratory Phone(626) 872-4195
Laboratory LocationEllen Mcdonald MD Inc800 Fairmount Ave Ste 210, Pasadena, CA 91105
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
526 services146 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
96 services96 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
64 services44 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services26 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.

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.

DR. RUBY BATIN M.D.
Pediatrics
800 FAIRMOUNT AVE, STE 110
PASADENA, CA 91105
Los Angeles County (626) 795-7051
DR. JASON REGINALD SPEARS D.D.S.
Dentist
800 FAIRMOUNT AVE, SUITE 203
PASADENA, CA 91105
Los Angeles County (626) 792-1344
MAGDALENA C ARENAS MD
Internal Medicine (Pulmonary Disease)
800 FAIRMOUNT AVE
PASADENA, CA 91105
Los Angeles County (626) 449-1199
MARK POWELL MD
Pediatrics
800 FAIRMOUNT AVE, SUITE 415
PASADENA, CA 91105
Los Angeles County (626) 449-8440
CHRISTIAAN P HALLMAN M.D.
Dermatology
800 FAIRMOUNT AVE, SUITE 310
PASADENA, CA 91105
Los Angeles County (626) 795-2007
MICHAEL PAUL MILLER, MD, INC.
Ophthalmology
800 FAIRMOUNT AVE, SUITE 101
PASADENA, CA 91105
Los Angeles County (626) 585-8700
LISA P. URIBE, M.D., INC.
Internal Medicine
800 FAIRMOUNT AVE, SUITE 210
PASADENA, CA 91105
Los Angeles County (626) 243-2221
MELINDA MEDEIROS NP
Nurse Practitioner (Acute Care)
800 FAIRMOUNT AVE, SUITE 220
PASADENA, CA 91105
Los Angeles County (626) 486-0181

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 Ellen Mcdonald's NPI number?

The NPI number for Ellen Mcdonald is 1679751408. It was assigned to this individual provider in the NPPES registry on February 4, 2008.

Where is Ellen Mcdonald located?

Ellen Mcdonald practices at 800 Fairmount Ave Suite 210, Pasadena, CA 91105. The listed phone number is (626) 872-4195.

What is Ellen Mcdonald's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ellen Mcdonald enrolled in Medicare?

Yes. Ellen Mcdonald 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.

Does Ellen Mcdonald hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2050937) is associated with this NPI, valid through December 9, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ellen Mcdonald was last updated on November 26, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.