NPPES file of Aug 9, 2026

Grigorios Chrysofakis, MD

Hematology & Oncology Physician · Sacramento, CA

Grigorios Chrysofakis, MD is a hematology & oncology physician with a practice address in Sacramento, California, and NPI 1700159118, issued on Feb 15, 2012. Check the license (California A137137, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700159118
Name
Grigorios Chrysofakis
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
A137137 CA
Y3314181 CA
Self-reported in NPPES; status is on the state search
Practice location
2800 L St Ste 300, Sacramento, CA 95816
Phone
(916) 453-3300
Enumerated
Feb 15, 2012
Record last updated
Sep 9, 2025
Fax
(916) 454-6822
Medicare enrollment
Enrolled (PECOS I20160519001427); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2800 L St Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vira Budnevska-Sira, P.A.C.Medical Physician Assistant1871928135
  2. Uma Chandavarkar, M.D.Gynecologic Oncology Physician1306038096
  3. Katie Crean-Tate, M.D.Obstetrics & Gynecology Physician1811293780
  4. Christa Dominick, M.D.Gynecologic Oncology Physician1043659634
  5. Phyllis Napoles, MDSurgery Physician1578713848
  6. Nadine Schenker, PA-CSurgical Oncology Physician1881527034

Verify Grigorios Chrysofakis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A137137
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

13% more Medicare Part D claims than the average hematology & oncology physician in 2024

991 Medicare Part D claims for 135 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 112 claims were for opioids.

  1. Grigorios Chrysofakis991
  2. Specialty average877

Most prescribed

  1. Anastrozole84 claims
  2. Hydroxyurea75 claims
  3. Ondansetron Odt75 claims
  4. Dexamethasone45 claims
  5. Morphine Sulfate Er39 claims
  6. Potassium Chloride39 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,373.75

64 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grigorios Chrysofakis$1,373.75
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Sierra Hematology And Oncology Medical CentersCarmichael, CA
  2. Sutter Valley Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Grigorios Chrysofakis among 1,583 hematology & oncology physician records in California

Grigorios Chrysofakis, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2004 · median 2003 among the 1,124 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Michael Carroll, M.D.Sacramento, CA 958161699748707
  2. Nabil Ghani, M.D.Sacramento, CA 958161407390172
  3. Brian Kim, M.D.Sacramento, CA 958161871532051
  4. Elias Kiwan, M.D.Sacramento, CA 958161790875276
  5. Jasdeepa Nagi, M.D.Sacramento, CA 958161407094188
  6. Bijay Nair, MDSacramento, CA 958161356560684
  7. Nitin Rohatgi, M.D.Sacramento, CA 958161235161621
  8. Mustaqeem Siddiqui, MBBSSacramento, CA 958161669480133

Common questions

What is Grigorios Chrysofakis, MD's NPI number?

Grigorios Chrysofakis, MD's National Provider Identifier (NPI) is 1700159118, issued on Feb 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Grigorios Chrysofakis, MD located?

The NPPES record lists a practice address at 2800 L St Ste 300, Sacramento, CA, 95816. Phone: (916) 453-3300. Providers update this record themselves, so call before visiting.

How can I verify Grigorios Chrysofakis, MD's license?

NPPES lists California license number A137137, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Grigorios Chrysofakis, MD prescribe under Medicare Part D?

In 2024, Grigorios Chrysofakis, MD had 991 Medicare Part D claims for 135 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.