MARSHALL MEDICAL CENTER
NPI 1659554285
Internal Medicine - Hematology & Oncology in Cameron Park, CA

Q: What is Marshall Medical Center's NPI number?

The NPI number for Marshall Medical Center is 1659554285. It was assigned to this organization in the NPPES registry on December 5, 2007. The provider is also known as Marshall Hematology/Oncology.

Q: What is Marshall Medical Center's specialty?

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

Active since December 05, 2007

3581 PALMER DR, SUITE 400, CAMERON PARK, CA 95682(530) 676-6600(530) 676-6603 Get Directions Write a Review

NPPES record last updated: March 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 9, 2026, Sep 8, 2020 (2 updates tracked since 2020).

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About Marshall Medical Center NPPES

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

MARSHALL MEDICAL CENTER (NPI 1659554285) is a healthcare organization registered as a hematology & oncology in Cameron Park, California and active in the NPI registry since December 2007. The organization lists Siri Nelson, Ceo, as its authorized official.

NPPES Registry Identity

NPI1659554285

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NameMARSHALL MEDICAL CENTER

Location Address3581 PALMER DR, SUITE 400Cameron Park, CA 95682-8236

Mailing AddressPo Box 45680San Francisco, CA 94145-0680 · (530) 626-2787 · Fax (530) 626-2839

Phone(530) 676-6600

Fax(530) 676-6603

Organization SubpartNo

Authorized OfficialSiri NelsonCeo · (530) 622-1441

Enumeration DateDecember 5, 2007

Last NPPES UpdateMarch 9, 20262 updates tracked since enumeration

NPPES CertifiedMarch 9, 2026

✔ NPI 1659554285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

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.

3581 PALMER DR, Cameron Park, CA 95682

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Other Names 1

Other NameMarshall Hematology/oncology

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marshall Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

149

Medicare enrollment records show 149 clinicians reassign Medicare billing to Marshall Medical Center, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 42 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 24

Nurse Practitioner27

Obstetrics/Gynecology17

Internal Medicine15

Family Practice13

General Surgery9

Cardiovascular Disease (Cardiology)8

Hematology/Oncology8

Hospitalist7

16 other specialties45

Nearest to this location (20)

See all 149

Elisa Reynolds, FNP-BC

Nurse Practitioner

NPI 1437031986

3501 PALMER DR STE 201
Cameron Park, CA 95682

(530) 672-7040

✔ PECOS✔ Accepts MedicareSame address

Christopher Romberg, MD

Gastroenterology

NPI 1215096953

3501 PALMER DR STE 201
Cameron Park, CA 95682

(530) 626-2611

✔ PECOS✔ Accepts MedicareSame address

Mamatha Siricilla, M.B.B.S

Hematology/Oncology

NPI 1487967576

3581 PALMER DR STE 400
Cameron Park, CA 95682

(530) 676-6600

✔ PECOS✔ Accepts MedicareSame address

Philip Abela, MD

Family Practice

NPI 1528130374

3581 PALMER DR SUITE 602
Cameron Park, CA 95682

(530) 626-2787

✔ PECOSSame address

Swetha Mudunuri, M.D.,

Internal Medicine

NPI 1700149150

3581 PALMER DR SUIT 602
Cameron Park, CA 95682

(530) 627-7000

✔ PECOS✔ Accepts MedicareSame address

Niraj Patel, M.D.

Family Practice

NPI 1811315492

3581 PALMER DR STE 602
Cameron Park, CA 95682

(530) 672-7000

✔ PECOS✔ Accepts MedicareSame address

Sarah Snyder, FNP

Nurse Practitioner

NPI 1225786171

3581 PALMER DR STE 602
Cameron Park, CA 95682

(530) 672-7000

✔ PECOS✔ Accepts MedicareSame address

Nigah Patel, FNP

Nurse Practitioner

NPI 1710681218

3581 PALMER DR STE 602
Cameron Park, CA 95682

(530) 672-7000

✔ PECOS✔ Accepts Medicare0.1 mi

Harprit Bajwa, DPM

Podiatry

NPI 1073563938

3106 PONTE MORINO DR SUITE B
Cameron Park, CA 95682

(530) 676-3668

✔ PECOS✔ Accepts Medicare0.2 mi

Wai Kan Chiu, M.D., PH.D.

Gastroenterology

NPI 1801258686

3501 PALMER DR STE 201
Cameron Park, CA 95682

(530) 626-2611

✔ PECOS✔ Accepts Medicare0.2 mi

Mark Mansour, M.D.

Rheumatology

NPI 1073597241

3501 PALMER DR SUITE 201
Cameron Park, CA 95682

(530) 672-7040

✔ PECOS✔ Accepts Medicare0.2 mi

Majd Michael, M.D.

Gastroenterology

NPI 1306223177

3501 PALMER DR STE 201
Cameron Park, CA 95682

(832) 712-7053

✔ PECOS✔ Accepts Medicare0.2 mi

Jason Nelles, M.D.

Urology

NPI 1164612024

3501 PALMER DR SUITE 201
Cameron Park, CA 95682

(530) 626-9488

✔ PECOS✔ Accepts Medicare0.2 mi

Alicia Tobin-Williams, MD

Obstetrics/Gynecology

NPI 1811942204

3501 PALMER DR SUITE 204
Cameron Park, CA 95682

(530) 672-7040

✔ PECOS0.2 mi

Rashmi Ramasubbaiah, MD

Hematology/Oncology

NPI 1326202540

3102 PORTE MORINO DRIVE SUITE 100
Cameron Park, CA 95682

(530) 323-6600

✔ PECOS0.2 mi

Teresa Levinson, NP,RN

Nurse Practitioner

NPI 1508923814

5168 HONPIE RD
Placerville, CA 95667

(530) 387-4975

✔ PECOS✔ Accepts Medicare4.0 mi

Anand Mehta, MD

Internal Medicine

NPI 1114273729

5170 GOLDEN FOOTHILL PKWY
El Dorado Hills, CA 95762

(916) 629-4443

✔ PECOS5.8 mi

Jewel George, FNP

Nurse Practitioner

NPI 1811703036

5137 GOLDEN FOOTHILL PKWY STE 120
El Dorado Hills, CA 95762

(530) 344-5400

✔ PECOS✔ Accepts Medicare5.9 mi

Christopher Kurnik, M.D.

Sports Medicine

NPI 1235663857

5137 GOLDEN FOOTHILL PKWY STE 120
El Dorado Hills, CA 95762

(530) 344-2070

✔ PECOS✔ Accepts Medicare5.9 mi

Brian Baumgartner, M.D.

Otolaryngology

NPI 1033181706

4300 GOLDEN CENTER DR STE D
Placerville, CA 95667

(530) 344-2000

✔ PECOS✔ Accepts Medicare8.0 mi

See all 149 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Marshall Medical Center's NPI number?

The NPI number for Marshall Medical Center is 1659554285. It was assigned to this organization in the NPPES registry on December 5, 2007. The provider is also known as Marshall Hematology/Oncology.

Where is Marshall Medical Center located?

Marshall Medical Center is located at 3581 Palmer Dr Suite 400, Cameron Park, CA 95682. The listed phone number is (530) 676-6600.

What is Marshall Medical Center's specialty?

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

Is Marshall Medical Center enrolled in Medicare?

Yes. Marshall Medical Center is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marshall Medical Center?

According to the CMS Revalidation Reassignment List (October 2026 release), 149 clinicians in 24 Medicare specialties reassign their Medicare billing to Marshall Medical Center. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (27), Obstetrics/Gynecology (17) and Internal Medicine (15). Of these, 7 practice at this address and 42 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Marshall Medical Center was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.