JOHN A. GRIFFIN M.D. – NPI #1821014903
Colon & Rectal Surgery

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

JOHN GRIFFIN is a colon & rectal surgeon located in LOMA LINDA, CA. NPPES has assigned the NPI number 1821014903 to JOHN GRIFFIN on July 14, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 208C00000X from the Health Care Provider Taxonomy code set, which is classified as Colon & Rectal Surgery.

The NPI profile was last updated on Oct 21, 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 JOHN GRIFFIN below.

NPI Profile for
JOHN A. GRIFFIN

NPI Number
1821014903
Enumeration Date

(about 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
JOHN A. GRIFFIN
Credentials
M.D.
Primary location
11370 ANDERSON ST STE 2100
LOMA LINDA, CA 92354-3450
Phone: (909) 558-2822 Fax:
1 Other location(s):
1101 Madison St
Suite 510
Seattle, WA 98104-1306
Phone: (206) 386-6600
Fax: (206) 386-2452
Mailing address
11175 CAMPUS ST RM 21111
LOMA LINDA, CA 92350-1700
Phone: (909) 558-4286 Fax:
Sole Proprietor
No
Updated
Certification Date
Oct 21, 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.

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
208C00000X
- Colon & Rectal Surgery (Primary)
WA MD60664479

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
1101 MADISON ST,
SEATTLE, WA 77025-1669

Additional Information

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
JOHN GRIFFIN is affiliated with the following medical group(s):
  • HOSPITAL
    • SWEDISH ISSAQUAH
      751 NE BLAKELY DR
      ISSAQUAH, WA 98029
    • SWEDISH MEDICAL CENTER
      747 BROADWAY
      SEATTLE, WA 98122

Why is my NPI data (personal information) being displayed publicly?
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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.