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DR. MICHAEL JOSEPH HARRINGTON MD
NPI 1124186945
Internal Medicine in Napa, CA

Active since December 05, 2006PECOS EnrolledAccepts Medicare Assignment
3443 VILLA LN STE 9, NAPA, CA 94558(707) 253-8901(707) 253-1558 Get Directions Write a Review

NPPES record last updated: December 10, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael Joseph Harrington Md NPPES

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

DR. MICHAEL JOSEPH HARRINGTON MD (NPI 1124186945) is an individual internal medicine provider in Napa, California, licensed in California (G17618) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (1968).

NPPES Registry Identity

NPI1124186945
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL JOSEPH HARRINGTONCredential: MD
Location Address3443 VILLA LN STE 9Napa, CA 94558-6417
Mailing Address1561 3rd St Ste GNapa, CA 94559-2861 · (707) 259-2000 · Fax (707) 259-0181
Phone(707) 253-8901
Fax(707) 253-1558
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 1968
Enumeration DateDecember 5, 2006
Last NPPES UpdateDecember 10, 2013
✔ NPI 1124186945 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 · G17618
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.
3443 VILLA LN STE 9, Napa, CA 94558
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Other Identifiers 2

Medicare UPINA40133
Medicare ID-Type Unspecified00G176180

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. Michael Joseph Harrington 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 ID9931234580
PECOS Enrollment IDI20100322000157
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94558 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
$145.99 typical visit price
range $65.08 – $192.16
Typical copayment $36.49 (range $16.27 – $48.04)
Most-billed visit code 99204
Established Patient
$113.15 typical visit price
range $21.86 – $157.83
Typical copayment $28.28 (range $5.46 – $39.45)
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 2

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

DR. AURELIO CAMPOS MD
Family Medicine
3443 VILLA LN STE 9
NAPA, CA 94558
Napa County (707) 253-1566
CAMPOS AND TRAN MEDICAL ASSOCIATES INC
Family Medicine
3443 VILLA LN STE 9
NAPA, CA 94558
Napa County (707) 253-1566

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 Michael Harrington's NPI number?

The NPI number for Michael Harrington is 1124186945. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is Michael Harrington located?

Michael Harrington practices at 3443 Villa Ln Ste 9, Napa, CA 94558. The listed phone number is (707) 253-8901.

What is Michael Harrington's specialty?

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

Is Michael Harrington enrolled in Medicare?

Yes. Michael Harrington 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.

When was this NPI record last updated?

The NPPES record for Michael Harrington was last updated on December 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.