1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Internal Medicine
  6. NPI Profile

REGENTS OF THE UNIVERSITY OF CA
NPI 1629061643
Internal Medicine - Hematology in Sacramento, CA

Active since August 24, 2005
4501 X ST, SACRAMENTO, CA 95817(916) 724-5803(916) 734-7946 Get Directions Write a Review

NPPES record last updated: May 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 16, 2025, Aug 23, 2023 (2 updates tracked since 2023).

About Regents Of The University Of Ca NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

REGENTS OF THE UNIVERSITY OF CA (NPI 1629061643) is a healthcare organization registered as a hematology in Sacramento, California and active in the NPI registry since August 2005. The organization lists Tammy Trovatten, Vice President, Gov't Reimbursement, as its authorized official.

NPPES Registry Identity

NPI1629061643
Entity TypeOrganization
Primary Taxonomy207RH0000X
Legal Business NameREGENTS OF THE UNIVERSITY OF CA
Location Address4501 X STSacramento, CA 95817-2229
Mailing Address10850 White Rock RdRancho Cordova, CA 95670-6044 · (916) 734-9200 · Fax (916) 734-9661
Phone(916) 724-5803
Fax(916) 734-7946
Organization SubpartNo
Authorized OfficialTammy TrovattenVice President, Gov't Reimbursement · (916) 855-2315
Enumeration DateAugust 24, 2005
Last NPPES UpdateMay 16, 20252 updates tracked since enumeration
NPPES CertifiedMay 16, 2025
✔ NPI 1629061643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
4501 X ST, Sacramento, CA 95817
Open in Google Maps ↗

Other Names 1

Other NameRegents/ucdpbg/im Hemato

Other Identifiers 8

OtherCR0028CA · Railroad Medicare Pin
OtherCI4127CA · Railroad Medicare Pin
OtherDA4168CA · Railroad Medicare Pin
MedicaidGR0021049CA
OtherCN4844CA · Railroad Medicare Pin
MedicaidGNP000070CA
OtherDE7275CA · Railroad Medicare Pin
OtherCN4400CA · Railroad Medicare Pin

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medical Equipment Supplier Medicare DMEPOS 7

Medicare supplier enrollment and the product categories Uc Davis Medical Center carries, from the Medicare DMEPOS supplier directory.

Uc Davis Medical Center

DMEPOS supplier · Sacramento, CAOperated by Regents Of The University Of California
✔

Accepts Medicare assignment

Uc Davis Medical Center agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.

PTAN (Medicare Supplier Number)20646107
Medicare Participant SinceJanuary 1, 2024
Supplier Location4501 X St Rm 1008Sacramento, CA 95817
Phone(916) 734-5865
Supplier Specialties
Pharmacy

Medicare Product Categories

Epoetin
Epoetin is a man-made version of human erythropoietin (EPO)
Immunosuppressive Drugs
Immunosuppressive drugs require dosage, frequency, and route of administration to prevent or treat the rejection of an organ transplant
Nebulizer Drugs
Albuterol, levalbuterol, and metaproterenol are all short-acting bronchodilators with beta-adrenergic stimulatory effect
Oral Anticancer Drugs
FDA anticancer drugs
Oral Antiemetic Drugs
FDA antiemetic drugs
Blood Glucose Monitors/Supplies (Non-Mail Order)
Home blood glucose monitors including lancets, reagent strips, and other supplies necessary for the proper functioning of the device
Product categories are from the Medicare DMEPOS supplier directory. Contact the supplier to confirm current availability of specific items.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. VIJAY P KHATRI M.D.
Surgery (Surgical Oncology)
4501 X ST, UC DAVIS CANCER CENTER, SUITE 3010
SACRAMENTO, CA 95817
Sacramento County (916) 734-2172
BRIANNA CHRISTINE KALMYKOW
Nurse Practitioner (Adult Health)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
DR. TYLER O'FLAHRITY MD
Internal Medicine
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
MS. KELLY K. ROSS MANASHIL NP
Nurse Practitioner (Family)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
SUSAN T. FERRARA NP
Nurse Practitioner (Family)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
DR. JEFFREY MCLEROY M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (916) 734-3771
DR. SRINIVAS C GUMMARAJU M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST, SUITE 3016
SACRAMENTO, CA 95817
Sacramento County (530) 749-4400
DR. RONALD WISDOM M.D.
Internal Medicine (Hematology & Oncology)
4501 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-3772

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Regents Of The University Of Ca's NPI number?

The NPI number for Regents Of The University Of Ca is 1629061643. It was assigned to this organization in the NPPES registry on August 24, 2005. The provider is also known as Regents/UCDPBG/IM Hemato.

Where is Regents Of The University Of Ca located?

Regents Of The University Of Ca is located at 4501 X St, Sacramento, CA 95817. The listed phone number is (916) 724-5803.

What is Regents Of The University Of Ca's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Does Regents Of The University Of Ca accept Medicare assignment for medical equipment?

Yes. As a Medicare medical equipment supplier, Uc Davis Medical Center accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.

When was this NPI record last updated?

The NPPES record for Regents Of The University Of Ca was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.