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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. TENNYSON JELLINS MD, MS
NPI 1144923236
Internal Medicine - Hematology & Oncology in Sacramento, CA

Active since March 27, 2023PECOS Enrolled
2279 45TH ST, SACRAMENTO, CA 95817(916) 734-5959 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 6, 2026, Mar 27, 2023 (2 updates tracked since 2023).

About Dr. Tennyson Jellins Md, Ms NPPES

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

DR. TENNYSON JELLINS MD, MS (NPI 1144923236) is an individual hematology & oncology provider in Sacramento, California, licensed in California (A210186) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144923236
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. TENNYSON JELLINSCredential: MD, MS
Location Address2279 45TH STSacramento, CA 95817-1514
Mailing Address4501 X StSacramento, CA 95817-2229 · (916) 734-3772
Phone(916) 734-5959
Sole ProprietorNo
Enumeration DateMarch 27, 2023
Last NPPES UpdateJuly 6, 20262 updates tracked since enumeration
NPPES CertifiedJuly 6, 2026
✔ NPI 1144923236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A210186
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
2279 45TH ST, Sacramento, CA 95817
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tennyson Jellins Md, Ms is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$180.85 typical visit price
range $60.44 – $180.85
Typical copayment $45.21 (range $15.11 – $45.21)
Most-billed visit code 99205
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ALEXIA PRATT MONAHAN CPNP
Nurse Practitioner (Pediatrics)
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
SURBHI SINGHAL
Internal Medicine
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
MRS. LISA HERSAM RN
Registered Nurse (Pediatric Oncology)
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
JENNIFER DREYER RN
Registered Nurse (Pediatric Oncology)
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
KANISHKA GOPIKA BIMAL PATEL
Internal Medicine (Hematology & Oncology)
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
JESSICA RENEE YEN MSN, RN
Clinical Nurse Specialist (Pediatrics)
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-2716
MRS. ZOUA HER VUE MSW
Counselor (Mental Health)
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 734-5959
SARAH CONNING LCSW
Social Worker (Clinical)
2279 45TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-5032

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 Tennyson Jellins's NPI number?

The NPI number for Tennyson Jellins is 1144923236. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Tennyson Jellins located?

Tennyson Jellins practices at 2279 45th St, Sacramento, CA 95817. The listed phone number is (916) 734-5959.

What is Tennyson Jellins's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Tennyson Jellins enrolled in Medicare?

Yes. Tennyson Jellins is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tennyson Jellins was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.