1. Home
  2. Directory
  3. California
  4. Castro Valley
  5. Physical Medicine Rehabilitation
  6. NPI Profile

ADAM CHRISTOPHER JANIK M.D.
NPI 1982960449
Physical Medicine & Rehabilitation - Hospice and Palliative Medicine in Castro Valley, CA

Active since April 09, 2012PECOS EnrolledAccepts Medicare Assignment
20103 LAKE CHABOT RD, CASTRO VALLEY, CA 94546(510) 889-5082 Get Directions Write a Review

NPPES record last updated: August 16, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Adam Christopher Janik M.d. NPPES

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

ADAM CHRISTOPHER JANIK M.D. (NPI 1982960449) is an individual hospice and palliative medicine provider in Castro Valley, California, licensed in California (A143854) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1982960449
Entity TypeIndividualMale
Primary Taxonomy2081H0002X
Provider Legal NameADAM CHRISTOPHER JANIKCredential: M.D.
Location Address20103 LAKE CHABOT RDCastro Valley, CA 94546-5305
Mailing Address3687 Mt Diablo Blvd, Suite 200Lafayette, CA 94549-3717 · (510) 204-6660
Phone(510) 889-5082
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateApril 9, 2012
Last NPPES UpdateAugust 16, 2016
✔ NPI 1982960449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081H0002X
License✔ Licensed in CA · A143854
Definition
A physical medicine and rehabilitation physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedInternal MedicineTaxonomy 207R00000X · License A143854 (CA)
20103 LAKE CHABOT RD, Castro Valley, CA 94546
Open in Google Maps ↗

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

Adam Christopher Janik 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 ID7517250392
PECOS Enrollment IDI20160801002723
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 Adam Janik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
13 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

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
376 services138 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
176 services129 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.
160 services155 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
18 services14 patients

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.

DR. OLUWASEYI SEGUN BALASIRE M.D.
Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3256
LATRICIA A AMADEO RN
Registered Nurse
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (205) 915-5496
SARAH NOONBERG MD, PHD
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 889-5082
DR. MOYRA N RASHEED M.B.B.S
Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3256
DOMINIC K TRAN PHARMD
Pharmacist (Ambulatory Care)
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 537-1234
THOMAS EALES DO
Emergency Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3320
OMAR FAISAL SALEEM MD
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3256
HELENA CHUNG RD, MPH
Dietitian, Registered
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3204

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 Adam Janik's NPI number?

The NPI number for Adam Janik is 1982960449. It was assigned to this individual provider in the NPPES registry on April 9, 2012.

Where is Adam Janik located?

Adam Janik practices at 20103 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 889-5082.

What is Adam Janik's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Hospice and Palliative Medicine, with taxonomy code 2081H0002X.

Is Adam Janik enrolled in Medicare?

Yes. Adam Janik 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.

Which organization bills Medicare for Adam Janik's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Janik reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Janik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Adam Janik was last updated on August 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.