ALAN J. WATANABE M.D. – NPI #1518961507
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Health Care Provider Taxonomy Code for Internal Medicine

ALAN WATANABE is a physician located in COLUMBUS, IN. NPPES has assigned the NPI number 1518961507 to ALAN WATANABE on June 08, 2005. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207R00000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine.

The NPI profile was last updated on Jan 14, 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 ALAN WATANABE below.

NPI Profile for
ALAN J. WATANABE

NPI Number
1518961507
Enumeration Date

(more than 21 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ALAN J. WATANABE
Credentials
M.D.
Primary location
4050 CENTRAL AVENUE
COLUMBUS, IN 47203
Phone: (812) 376-9427 Fax:
Mailing address
2955 FRANKLIN DR
COLUMBUS, IN 47201-2911
Phone: (812) 342-7583 Fax:
Sole Proprietor
No
Updated
Certification Date
Jan 14, 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.

Identifiers

Identifiers for ALAN WATANABE

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
otherANTHEM PININ000000991459
medicaidIN100342750
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
207R00000X
- Internal Medicine (Primary)		 IN 01032855

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
DIRECT ADDRESS
Content Type
OTHER
Affiliation
N
Endpoint Location
4050 CENTRAL AVENUE,
COLUMBUS, IN 77025-1669

Additional Information

Education
INDIANA UNIVERSITY SCHOOL OF MEDICINE - Graduated 1983
Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
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:
  • Order Durable Medical Equipment
  • Order Power Mobility Devices
Affiliations
ALAN WATANABE is affiliated with the following medical group(s):
  • HOSPITAL
    • COLUMBUS REGIONAL HOSPITAL
      2400 E 17TH ST
      COLUMBUS, IN 47201
  • HOME HEALTH AGENCY
    • AMERICAN NURSING CARE INC
      4550 MIDDLE RD STE C
      COLUMBUS, IN 47203
    • INTREPID USA HEALTHCARE SERVICES
      5250 EAST U S 36 STE 1102
      AVON, IN 46123

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.