JAVI L. HARTENSTINE D.O. – NPI #1932462413
Pathology

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Health Care Provider Taxonomy Code for Pathology

JAVI HARTENSTINE is a pathologist located in PLEASANTON, CA. NPPES has assigned the NPI number 1932462413 to JAVI HARTENSTINE on June 20, 2012. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI data, there are 4 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207ZP0102X from the Health Care Provider Taxonomy code set, which is classified as Pathology, specializing in Anatomic Pathology & Clinical Pathology

The NPI profile was last updated on Apr 15, 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 JAVI HARTENSTINE below.

NPI Profile for
JAVI L. HARTENSTINE

NPI Number
1932462413
Enumeration Date

(about 14 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
JAVI L. HARTENSTINE
Credentials
D.O.
Primary location
5555 W LAS POSITAS BLVD
PLEASANTON, CA 94588-4000
Phone: (925) 847-3000 Fax:
4 Other location(s):
4301 Northstar Way
Modesto, CA 95356
Phone: (209) 577-1200
Fax: (209) 577-6517
1800 N California St
Stockton, CA 95204-6019
Phone: (209) 943-2000
22 S Greene St
NBW43
Baltimore, MD 21201-1544
Phone: (410) 328-5525
Fax: (410) 328-5508
4401 S Western Ave
Oklahoma City, OK 73109-3413
Phone: (405) 636-7251
Fax: (405) 842-3146
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Apr 15, 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
207ZP0102X
- Pathology / Anatomic Pathology & Clinical Pathology (Primary)		 CA 20A14783
390200000X
- Student in an Organized Health Care Education/Training Program

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

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
JAVI HARTENSTINE is affiliated with the following medical group(s):
  • HOSPITAL
    • SUMMERLIN HOSPITAL MEDICAL CENTER
      657 TOWN CENTER DRIVE
      LAS VEGAS, NV 89144
    • UNIVERSITY MEDICAL CENTER
      1800 W CHARLESTON BLVD
      LAS VEGAS, NV 89102
    • VALLEY HOSPITAL MEDICAL CENTER
      620 SHADOW LANE
      LAS VEGAS, NV 89106

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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.