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Hematology/Oncology

Devaki Siva, MD

Works at hospitals in Deland, FL · Orange City, FL · Marietta, OH · Florida, Ohio

Summary

Devaki Siva, MD (Hematology/Oncology) is listed by Medicare at 4 hospitals in Deland, FL, Orange City, FL and Marietta, OH. NPI 1982823290. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Devaki Siva, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
FemaleGender (as listed)
Marietta Memorial HospitalGroup practice (+1 more)

Quick answers

Which hospitals does Devaki Siva work at?
Medicare's official clinician data lists Devaki Siva at 4 hospitals: AdventHealth Deland, AdventHealth Fish Memorial, Marietta Memorial Hospital and Selby General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Devaki Siva see patients?
Medicare's clinician data lists 3 practice locations, including Orange City, FL, Marietta, OH and Deland, FL. Call before your visit to confirm the address.
What is Devaki Siva's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Devaki Siva accept Medicare assignment?
Yes. Medicare's clinician data says Devaki Siva accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Devaki Siva?
(386) 774-1223, as listed in official Medicare / NPI Registry data.
What is Devaki Siva's NPI number?
1982823290. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Devaki Siva works

Medicare's Facility Affiliation Data lists Devaki Siva at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Devaki Siva is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Devaki Siva as a member of these groups (CMS data updated 2026-10-02).

  • Marietta Memorial Hospital392 clinicians in the group
  • Mid-Florida Cancer Centers LLC13 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Florida →

Other hematologist-oncologists in Orange City

Clinicians with the same Medicare primary specialty in Orange City, FL — not a recommendation.

All hematologist-oncologists in Orange City →

Clinician information

CredentialMD
Graduation year1995
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982823290
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians