SARAH E. FAHNHORST D.O. – NPI #1699112607
Internal Medicine

A physician who specializes in the care and treatment of adults with congenital heart disease. Adult congenital heart disease (ACHD) physicians are trained to understand the complexities of congenital heart disease, anatomy, physiology, surgical repairs, and long-term complications and use that to manage ACHD with acquired heart disease, including heart failure, arrhythmias, and pulmonary hypertension.

Health Care Provider Taxonomy Code for Internal Medicine

SARAH FAHNHORST is a physician located in GRAND RAPIDS, MI. NPPES has assigned the NPI number 1699112607 to SARAH FAHNHORST on May 30, 2013. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RA0002X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Adult Congenital Heart Disease

The NPI profile was last updated on Feb 16, 2026. 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 SARAH FAHNHORST below.

NPI Profile for
SARAH E. FAHNHORST

NPI Number
1699112607
Enumeration Date

(more than 13 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
SARAH E. FAHNHORST
Credentials
D.O.
Primary location
25 MICHIGAN ST NE STE 4200
GRAND RAPIDS, MI 49503-2559
Phone: (616) 267-9150 Fax:
1 Other location(s):
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone: (248) 551-4400
Mailing address
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503-2560
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
Feb 16, 2026

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.

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
207RA0002X
- Internal Medicine / Adult Congenital Heart Disease (Primary)		 MI 5101026944
2080P0202X
- Pediatrics / Pediatric Cardiology		 MI 5101026944
208000000X
- Pediatrics		 IL 036-141190
207R00000X
- Internal Medicine		 IL 036-141190

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
3601 W 13 MILE RD,
ROYAL OAK, MI 77025-1669

Additional Information

Education
LAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, BRADENTON - Graduated 2013
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
SARAH FAHNHORST is affiliated with the following medical group(s):
  • HOSPITAL
    • SPECTRUM HEALTH
      100 MICHIGAN ST NE
      GRAND RAPIDS, MI 49503

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?
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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.