JACOB RICHARD ADAMS DO
NPI 1558595090
Internal Medicine - Critical Care Medicine in Novato, CA
About Jacob Richard Adams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACOB RICHARD ADAMS DO (NPI 1558595090) is an individual critical care medicine provider in Novato, California, licensed in California (20A13086) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2009).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Jacob Richard Adams Do 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.
Medicare Billing Reassignments
8Medicare enrollment records show Jacob Adams reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Novato, CA 94945
- Reassigned Medicare billing, California enrollment
Greenbrae, CA 94904
- Reassigned Medicare billing, California enrollment
- 82 clinicians in this Medicare group
Santa Rosa, CA 95404
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Lewiston, ID 83501
- Reassigned Medicare billing, Idaho enrollment
- 20 clinicians in this Medicare group
Spokane, WA 99204
- Reassigned Medicare billing, Oregon enrollment
- 82 clinicians in this Medicare group
Missoula, MT 59804
- Reassigned Medicare billing, Montana enrollment
- 30 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 69 clinicians in this Medicare group
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94945 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
NOVATO, CA 94945
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 Jacob Adams's NPI number?
The NPI number for Jacob Adams is 1558595090. It was assigned to this individual provider in the NPPES registry on May 12, 2009.
Where is Jacob Adams located?
Jacob Adams practices at 180 Rowland Way, Novato, CA 94945. The listed phone number is (415) 209-1300.
What is Jacob Adams's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jacob Adams enrolled in Medicare?
Yes. Jacob Adams 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 organizations bill Medicare for Jacob Adams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Adams reassigns Medicare benefits to 8 organizations: Jacob R Adams Do Inc (Novato, CA), Marin Hospitalist Medical Group, Inc. (Greenbrae, CA), Aretaeus Telemedicine Inc. (Santa Rosa, CA), Inpatient Specialists Of California, PC (San Bernardino, CA), Hospitalist Medicine Physicians Of Idaho-Tcg, PLLC (Lewiston, ID) and 3 more organizations, listed in the Medicare section above. Each 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 Jacob Adams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jacob Adams accept?
Health plans from Oscar Insurance Company list Jacob Adams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Jacob Adams was last updated on January 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jacob Richard Adams, DO · NPI 1558595090
Critical Care Medicine physician in Novato, California. Individual provider, active in the CMS NPPES registry since May 12, 2009.
## Identity
- **NPI:** 1558595090 (Entity type: Individual)
- **Enumerated:** May 12, 2009
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 20A13086 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 180 ROWLAND WAY, Novato, CA 94945-5009
- **Phone:** (415) 209-1300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Jacob R Adams Do Inc (NPI 1053766493, Novato, CA); Marin Hospitalist Medical Group, Inc. (NPI 1023041753, Greenbrae, CA); Aretaeus Telemedicine Inc. (NPI 1548490261, Santa Rosa, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Hospitalist Medicine Physicians Of Idaho-Tcg, PLLC (NPI 1104305648, Lewiston, ID); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2009
## Record status
- **NPPES last updated:** January 2, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1558595090) · Data from the CMS NPPES public registry.