JOHN S. HAMMES M.D. – NPI #1891766994
Internal Medicine

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Health Care Provider Taxonomy Code for Internal Medicine

JOHN HAMMES is a physician located in SAN DIEGO, CA. NPPES has assigned the NPI number 1891766994 to JOHN HAMMES on January 28, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RN0300X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Nephrology

The NPI profile was previously updated about 5 years ago on Jan 29, 2021. 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 HAMMES below.

NPI Profile for
JOHN S. HAMMES

NPI Number
1891766994
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
JOHN S. HAMMES
Credentials
M.D.
Primary location
4060 FOURTH AVE
SUITE 220
SAN DIEGO, CA 92103-2116
Phone: (619) 299-2350 Fax: (619) 297-8379
Mailing address
4225 EXECUTIVE SQ STE 450
LA JOLLA, CA 92037-8411
Phone: (858) 810-0000 Fax: (858) 268-1911
Sole Proprietor
No
Updated
Certification Date
Jan 29, 2021

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 JOHN HAMMES

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
OTHERCA LICENSECAG84351
OTHERNO CA MEDICARE PTANCACA125550
OTHERSO CA MEDICARE PTANCACB204086
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
207RN0300X
- Internal Medicine / Nephrology (Primary)		 CA G84351

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.

Additional Information

Education
UNIFORMED SERVICES UNIVERSITY OF THE HEALTH SCIENCES F. EDWARD HEBERT SCHOOL OF MEDICINE - Graduated 1993
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:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
JOHN HAMMES is affiliated with the following medical group(s):
  • HOSPITAL
    • GROSSMONT HOSPITAL
      5555 GROSSMONT CENTER DRIVE BOX 58
      LA MESA, CA 91942
    • SCRIPPS MERCY HOSPITAL
      4077 5TH AVE
      SAN DIEGO, CA 92103
    • SHARP CORONADO HOSPITAL AND HLTHCR CTR
      250 PROSPECT PLACE
      CORONADO, CA 92118
  • DIALYSIS FACILITY
    • DAVITA SAN DIEGO SOUTH DIALYSIS
      995 Gateway Center Way, Suite 101
      San Diego, CA 92102
    • FMC-BALBOA KEARNY MESA DIALYSIS CENTER
      7927 Ostrow Street, Suite A
      San Diego, CA 92111
    • FMC-BALBOA SOUTH BAY HOME THERAPIES
      340 4th Avenue, Suite 18
      Chula Vista, CA 91910
    • FMC-HILLCREST DIALYSIS
      3960 Third Avenue
      San Diego, CA 92103
    • FMC-RAI-MISSION GORGE SAN DIEGO
      7007 Mission Gorge Road, 1st Floor
      San Diego, CA 92120

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