DENNIS J BUCHANAN MD
NPI 1003864737
Obstetrics & Gynecology in Fullerton, CA

Q: What is Dennis Buchanan's NPI number?

The NPI number for Dennis Buchanan is 1003864737. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Q: What is Dennis Buchanan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Dennis Buchanan was last updated on October 15, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment

101 LAGUNA RD STE 100, FULLERTON, CA 92835(714) 992-5350(714) 992-8156 Get Directions Write a Review

NPPES record last updated: October 15, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 15, 2021, Oct 19, 2020, Nov 25, 2019 (3 updates tracked since 2019).

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About Dennis J Buchanan Md NPPES

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

DENNIS J BUCHANAN MD (NPI 1003864737) is an individual obstetrics & gynecology provider in Fullerton, California, licensed in California (G42457) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1979).

NPPES Registry Identity

NPI1003864737

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDENNIS J BUCHANANCredential: MD

Location Address101 LAGUNA RD STE 100Fullerton, CA 92835-3601

Mailing Address101 Laguna Rd Ste 100Fullerton, CA 92835-3601 · (714) 992-5350 · Fax (714) 992-8156

Phone(714) 992-5350

Fax(714) 992-8156

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1979

Enumeration DateMay 5, 2006

Last NPPES UpdateOctober 15, 20213 updates tracked since enumeration

NPPES CertifiedOctober 15, 2021

✔ NPI 1003864737 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G42457

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

101 LAGUNA RD STE 100, Fullerton, CA 92835

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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

Dennis J Buchanan 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 ID5890788079

PECOS Enrollment IDI20100913000967

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 3

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

43 services43 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.

37 services34 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92835 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

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 10

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

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