DR. NOAH MISCHKA AVALON GERKEN M.D.
NPI 1851650758
Internal Medicine in San Rafael, CA

Q: What is Noah Mischka Gerken's NPI number?

The NPI number for Noah Mischka Gerken is 1851650758. It was assigned to this individual provider in the NPPES registry on May 11, 2012. The provider is also known as Mischka Gerken.

Q: What is Noah Mischka Gerken's specialty?

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

Active since May 11, 2012PECOS EnrolledAccepts Medicare Assignment

99 MONTECILLO RD, SAN RAFAEL, CA 94903(415) 444-2000 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Noah Mischka Avalon Gerken M.d. NPPES

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

DR. NOAH MISCHKA AVALON GERKEN M.D. (NPI 1851650758) is an individual internal medicine provider in San Rafael, California, licensed in California (A127970) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1851650758

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. NOAH MISCHKA AVALON GERKENCredential: M.D.

Location Address99 MONTECILLO RDSan Rafael, CA 94903-3308

Mailing Address99 Montecillo RdSan Rafael, CA 94903-3308

Phone(415) 444-2000

Sole ProprietorYes

Medical School CMSOtherGraduated 2012

Enumeration DateMay 11, 2012

Last NPPES UpdateFebruary 11, 2022

✔ NPI 1851650758 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 · A127970

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.

99 MONTECILLO RD, San Rafael, CA 94903

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Other Names 1

Other Name (5)Mischka Gerken

Secondary Practice Location 1

Location 12425 Geary BlvdSan Francisco, CA 94115-3358 · Phone (415) 847-6568

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

Dr. Noah Mischka Avalon Gerken 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 ID8527394923

PECOS Enrollment IDI20190723002226

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 Reassignment

Medicare enrollment records show Noah Mischka Gerken reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

12 mi

Internal Medicine

901 NEVIN
Richmond, CA 94801

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1235226531 (510) 307-1555

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94903 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

$154.04 typical visit price

range $69.07 – $202.63

Typical copayment $38.51 (range $17.26 – $50.65)

Most-billed visit code 99204

Established Patient

$119.61 typical visit price

range $23.44 – $166.64

Typical copayment $29.90 (range $5.86 – $41.66)

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.

MS. MARTA JUDY FRIEDMAN LCSW, JD

Social Worker (Clinical)