NATHAN R. EHMER D.O. – NPI #1871767673
Orthopaedic Surgery

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.

Health Care Provider Taxonomy Code for Orthopaedic Surgery

NATHAN EHMER is an orthopaedic surgeon located in REDDING, CA. NPPES has assigned the NPI number 1871767673 to NATHAN EHMER on April 14, 2008. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207XX0801X from the Health Care Provider Taxonomy code set, which is classified as Orthopaedic Surgery, specializing in Orthopaedic Trauma

The NPI profile was last updated on Aug 04, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for NATHAN EHMER below.

NPI Profile for
NATHAN R. EHMER

NPI Number
1871767673
Enumeration Date

(more than 18 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
NATHAN R. EHMER
Credentials
D.O.
Primary location
2510 AIRPARK DR STE 301
REDDING, CA 96001-2462
Phone: (530) 242-3500 Fax: (530) 242-3546
Mailing address
3400 DATA DR
RANCHO CORDOVA, CA 95670-7956
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
Aug 04, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for NATHAN EHMER

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherLICENSECA20A 10366
otherNPPESCA1871767673
otherRAILROAD MEDICARECAP00764784
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207XX0801X
- Orthopaedic Surgery / Orthopaedic Trauma (Primary)		 CA 20A 10366

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
18 BON AIR RD,
LARKSPUR, CA 77025-1669

Additional Information

Education
ARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY - Graduated 2003
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
NATHAN EHMER is affiliated with the following medical group(s):
  • HOSPITAL
    • MARIN GENERAL HOSPITAL
      250 BON AIR ROAD, PO BOX 8010
      GREENBRAE, CA 94904
    • NOVATO COMMUNITY HOSPITAL
      180 ROWLAND WAY
      NOVATO, CA 94945

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.