DR. KEN MAKIO MARRINER M.D.
NPI 1013264126
Family Medicine in Oakland, CA

Active since August 08, 2012PECOS EnrolledAccepts Medicare Assignment
3451 E 12TH ST, OAKLAND, CA 94601(510) 535-3500(510) 535-7863 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Sep 20, 2017 (3 updates tracked since 2017).

About Dr. Ken Makio Marriner M.d. NPPES

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

DR. KEN MAKIO MARRINER M.D. (NPI 1013264126) is an individual family medicine provider in Oakland, California, licensed in California (A128587) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of State University Of New York Downstate Medical Center (2012).

NPPES Registry Identity

NPI1013264126
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. KEN MAKIO MARRINERCredential: M.D.
Location Address3451 E 12TH STOakland, CA 94601-3463
Mailing Address3451 E 12th StOakland, CA 94601-3463 · (510) 535-3500 · Fax (510) 535-7863
Fax(510) 535-7863
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 2012
Enumeration DateAugust 8, 2012
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPI 1013264126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A128587
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

3451 E 12TH ST, Oakland, CA 94601

Secondary Practice Location 1

Location 11001 Potrero Ave, Bldg 80-83San Francisco, CA 94110-3518 · Phone (415) 206-3551 · Fax (415) 205-8387

Medicare Participation & PECOS Enrollment Status

Ken Marriner is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Ken Marriner is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 42510026

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20180803001510

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    10 DME suppliers used 40 Medicare Claims 118 Services Paid

  • DME-Medical/Surgical Supplies (DA000N)

    Lancets, per box of 100 (HCPCS:A4259)

    8 DME suppliers used 29 Medicare Claims 41 Services Paid

  • DME-Hospital Beds (DB000N)

    Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress (HCPCS:E0260)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Blood glucose (sugar) level

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

This service was performed 33 times for 24 patients

Hemoglobin a1c level

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

This service was performed 82 times for 49 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $26.12 for a new patient copayment and $29.87 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 94601 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $104.51
  • Minimum New Patient Price $69
  • Maximum New Patient Price $202.35
  • Average New Patient Copayment $26.12
  • Minimum New Patient Copayment $17.25
  • Maximum New Patient Copayment $50.58

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $119.48
  • Minimum Established Patient Price $23.44
  • Maximum Established Patient Price $166.46
  • Average Established Patient Copayment $29.87
  • Minimum Established Patient Copayment $5.86
  • Maximum Established Patient Copayment $41.61

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for DR. KEN MAKIO MARRINER M.D.

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Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics
3451 E 12TH ST
OAKLAND, CA 94601
Physician Assistant (Medical)
3451 E 12TH ST
OAKLAND, CA 94601
Pharmacist
3451 E 12TH ST
OAKLAND, CA 94601
Pharmacist
3451 E 12TH ST
OAKLAND, CA 94601
Nurse Practitioner (Pediatrics)
3451 E 12TH ST
OAKLAND, CA 94601
Pharmacist
3451 E 12TH ST
OAKLAND, CA 94601
Registered Nurse
3451 E 12TH ST
OAKLAND, CA 94601
Counselor
3451 E 12TH ST
OAKLAND, CA 94601
Dietitian, Registered
3451 E 12TH ST
OAKLAND, CA 94601
Pharmacist
3451 E 12TH ST
OAKLAND, CA 94601
Dentist (General Practice)
3451 E 12TH ST
OAKLAND, CA 94601
Pediatrics
3451 E 12TH ST
OAKLAND, CA 94601
Dental Hygienist
3451 E 12TH ST
OAKLAND, CA 94601
Dietitian, Registered
3451 E 12TH ST
OAKLAND, CA 94601
Health Maintenance Organization
3451 E 12TH ST
OAKLAND, CA 94601
Dental Hygienist
3451 E 12TH ST
OAKLAND, CA 94601
Nurse Practitioner (Family)
3451 E 12TH ST
OAKLAND, CA 94601
Family Medicine
3451 E 12TH ST, 2ND FLOOR
OAKLAND, CA 94601
Dental Hygienist
3451 E 12TH ST
OAKLAND, CA 94601
Dental Hygienist
3451 E 12TH ST
OAKLAND, CA 94601

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013264126, enumerated as an "individual" on August 08, 2012.

The provider is located at 3451 E 12TH ST OAKLAND, CA 94601 and the phone number is (510) 535-3500.

Family Medicine with taxonomy code 207Q00000X.