EUGENE MCMILLAN M.D.
NPI 1093822744
Internal Medicine in Oakland, CA

Q: What is Eugene Mcmillan's NPI number?

The NPI number for Eugene Mcmillan is 1093822744. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Q: What is Eugene Mcmillan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Eugene Mcmillan was last updated on May 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 August 25, 2006PECOS EnrolledAccepts Medicare Assignment

350 HAWTHORNE AVE RM 2346, OAKLAND, CA 94609(510) 869-6883(510) 869-6888 Get Directions Write a Review

NPPES record last updated: May 30, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 30, 2023, Jul 21, 2020, May 18, 2017 (3 updates tracked since 2017).

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About Eugene Mcmillan M.d. NPPES

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

EUGENE MCMILLAN M.D. (NPI 1093822744) is an individual internal medicine provider in Oakland, California, licensed in California (G46057) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Berkeley, and is a graduate of Geisel School Of Medicine At Dartmouth (1978).

NPPES Registry Identity

NPI1093822744

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameEUGENE MCMILLANCredential: M.D.

Location Address350 HAWTHORNE AVE RM 2346Oakland, CA 94609-3108

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (510) 504-1893 · Fax (510) 649-8287

Phone(510) 869-6883

Fax(510) 869-6888

Sole ProprietorNo

Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1978

Enumeration DateAugust 25, 2006

Last NPPES UpdateMay 30, 20233 updates tracked since enumeration

NPPES CertifiedMay 30, 2023

✔ NPI 1093822744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · G46057

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.

Also ListedHospitalistTaxonomy 208M00000X · License G46057 (CA)

350 HAWTHORNE AVE RM 2346, Oakland, CA 94609

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Secondary Practice Location 1

Location 12450 Ashby AveBerkeley, CA 94705-2067 · Phone (510) 204-1893 · Fax (510) 649-8287

Other Identifiers 1

Medicaid00G460570CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Eugene Mcmillan 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 ID7113946997

PECOS Enrollment IDI20051122000480

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.

Medicare Billing Reassignments

Medicare enrollment records show Eugene Mcmillan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Bay Medical Foundation

6.0 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

Webster Medical Clinic

9.9 mi

Internal Medicine

13847 E 14TH ST STE 106
San Leandro, CA 94578

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1801272224 (510) 922-8611

Knd Development 59, LLC

10 mi

Hospitalist

2800 BENEDICT DR
San Leandro, CA 94577

Reassigned Medicare billing, California enrollment
204 clinicians in this Medicare group

NPI 1235468562 (510) 357-8300

Quantum Healthcare Medical Associates Inc.

377 mi

Hospitalist

400 N PEPPER AVE
Colton, CA 92324

Reassigned Medicare billing, California enrollment
338 clinicians in this Medicare group

NPI 1568490597 (909) 580-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

228 services66 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

120 services47 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

22 services20 patients

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348

An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.

21 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

19 services19 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94609 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

5 suppliers14 claims35 services$6.24 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

SHARON HSI JAN CHAN M.D.

Hospitalist