Dr. Grigorios Chrysofakis, MD
- Medicare services, 2024
- 19,233
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 991
- Publications
- 2
- Hospital affiliations
- 6
- Practice address
- 6501 Coyle Ave, Carmichael, CA 95608
- Practice phone
- Call (916) 537-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chrysofakis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Grigorios Chrysofakis is a hematologist and oncologist in Carmichael, California
Dr. Chrysofakis practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health.
Dr. Chrysofakis' NPI, 1700159118, was assigned on February 15, 2012. Dr. Chrysofakis graduated from University of Athens in 2004. Dr. Chrysofakis holds California license Y3314181.
- NPI
- 1700159118NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325337025
- NPI enumeration date
- February 15, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (916) 537-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grigorios Chrysofakis practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California
Dr. Chrysofakis' primary practice is Dignity Health - Mercy San Juan Medical Center, at 6501 Coyle Ave, Carmichael, CA 95608 in Sacramento County. The practice phone is (916) 537-5000.
- Dignity Health - Mercy San Juan Medical Center6501 Coyle Ave, Carmichael, CA 95608 · Sacramento CountyPhone(916) 537-5000
Source: Dmand AI Affiliation Data
Dr. Grigorios Chrysofakis is affiliated with 8 sites of care and 2 medical groups
Dr. Chrysofakis' primary practice is Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health. Dr. Chrysofakis is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Chrysofakis to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Grigorios Chrysofakis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chrysofakis practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Mercy San Juan Medical Center | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grigorios Chrysofakis is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Chrysofakis' primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Chrysofakis is board certified in hematology by the American Board of Internal Medicine. Dr. Chrysofakis is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists breast cancer, chronic anemia, chronic embolism thrombosis, chronic leukemia, colorectal cancer, deep vein thrombosis (DVT), lung cancer and lymphoma among the conditions Dr. Chrysofakis treats.
Hematologists and oncologists near Dr. Chrysofakis
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Grigorios Chrysofakis billed Medicare for 19,233 services in 2024
CMS data shows 19,233 Medicare services from Dr. Chrysofakis across 25 procedure codes in 2024, for 216 Medicare patients. Medicare paid $149,211 for them.
Dr. Chrysofakis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 31,9932024: 16,35249%
- Tests and treatments
- 2023: 9222024: 1,13523%
- Office and hospital visits
- 2023: 9812024: 9691%
- Lab and pathology
- 2023: 4222024: 58940%
- Surgery
- 2023: 1432024: 18831%
Where Dr. Chrysofakis' Medicare services took place, 2024
- In an office19,06399%
- In a facility1701%
Dr. Chrysofakis compared with the California median for hematologists and oncologists, 2024
- Dr. Chrysofakis
- California median
- Medicare services
- 19,233vs 93220.6 times
- Medicare patients
- 216vs 225Close to median
- Part D claims
- 774vs 39496% above
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Chrysofakis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grigorios Chrysofakis treated 216 Medicare patients in 2024, average age 72
CMS counts 216 Medicare patients who saw Dr. Chrysofakis in 2024. The largest group is 65 to 74, with 109 patients. 74% of them have high blood pressure, and 68% have high cholesterol. 59% are also on Medicaid. Their average risk score is 1.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chrysofakis' median patient age at 67, with 52% women.
Dr. Chrysofakis' Medicare patients by age, 2024
Dr. Chrysofakis' Medicare patients by sex, 2024
- Women12558%
- Men9142%
Chronic conditions among Dr. Chrysofakis' Medicare patients, 2024
- High blood pressure74%
- High cholesterol68%
- Cancer41%
- Arthritis38%
- Diabetes38%
- Chronic kidney disease29%
- Anxiety23%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chrysofakis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grigorios Chrysofakis wrote 991 Medicare Part D claims in 2024
In 2024, Dr. Chrysofakis wrote 991 Medicare Part D claims for 135 patients. 77% of them were for generic drugs. CMS names the drug for 774 of them, across 25 drugs with 11 or more claims each, at $1,310,590 in total drug cost. In 2023, CMS named 702 claims across 27 drugs.
Dr. Chrysofakis' Part D claims by kind of drug, 2024
- Generic765 claims77%
- Brand-name226 claims23%
Dr. Chrysofakis' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chrysofakis' Part D claims, 2024
- Opioids11%112 of 991 claims
- Antibiotics3%27 of 991 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7022024: 77410%
Drugs named by CMS: 25 in 2024, 27 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Grigorios Chrysofakis offers telehealth to Medicare patients
Dr. Chrysofakis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chrysofakis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Grigorios Chrysofakis has 2 publications on record
Dmand AI links 2 papers to Dr. Chrysofakis, published from 2013 to 2014. Dr. Chrysofakis' most frequent co-authors are Krishna Gundabolu, MD, Pavlos Msaouel, MD, PhD and Rishi Jain, MD.
Dr. Chrysofakis' most frequent co-authors
- Krishna Gundabolu, MD2 shared papers
- Pavlos Msaouel, MD, PhD2 shared papers
- Rishi Jain, MD1 shared paper
Recent publications by Dr. Chrysofakis
See who Dr. Chrysofakis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chrysofakis works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Grigorios Chrysofakis received $7,093 in industry payments from 2016 to 2025
CMS Open Payments shows 312 general payments to Dr. Chrysofakis from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 79% of the total. Pfizer Inc. paid the most, $1,054.
General payments to Dr. Chrysofakis by program year, 2016 to 2025
General payments to Dr. Chrysofakis by kind, 2016 to 2025
- Food and beverage$5,60479%
- Education$1,48921%
Companies that paid Dr. Chrysofakis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Grigorios Chrysofakis graduated from University of Athens
Dr. Chrysofakis graduated from University of Athens in 2004.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Grigorios Chrysofakis accepts plans from 15 insurance carriers
Dr. Chrysofakis is in network with 15 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Chrysofakis accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Grigorios Chrysofakis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Grigorios Chrysofakis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Grigorios Chrysofakis' NPI number?
Dr. Grigorios Chrysofakis' NPI number is 1700159118. It was assigned on February 15, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Grigorios Chrysofakis?
Dr. Grigorios Chrysofakis is a hematologist and oncologist in Carmichael, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Grigorios Chrysofakis practice?
Dr. Chrysofakis practices at 6501 Coyle Ave, Carmichael, CA 95608. Dr. Chrysofakis' primary practice is Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health. Dmand AI also links Dr. Chrysofakis to 4 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Grigorios Chrysofakis' office phone number?
The practice phone on file for Dr. Chrysofakis is (916) 537-5000.
What is Dr. Grigorios Chrysofakis' medical license number?
Dr. Chrysofakis holds California license Y3314181.
Which hospitals is Dr. Grigorios Chrysofakis affiliated with?
Dr. Chrysofakis practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California. Dr. Chrysofakis is also affiliated with Sutter Medical Center, Sacramento. Dmand AI links Dr. Chrysofakis to 4 more hospitals.
What medical group is Dr. Grigorios Chrysofakis part of?
Dr. Chrysofakis is linked to SGMF Radiology. Dmand AI links Dr. Chrysofakis to 1 more medical group.
Does Dr. Grigorios Chrysofakis accept Medicare?
Yes. CMS data shows Dr. Chrysofakis billed Medicare for 19,233 services in 2024, and Dr. Chrysofakis accepts Medicare assignment.
Does Dr. Grigorios Chrysofakis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chrysofakis as offering telehealth services.
How many Medicare patients does Dr. Grigorios Chrysofakis see?
CMS counts 216 Medicare patients who saw Dr. Chrysofakis in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Dr. Grigorios Chrysofakis board certified?
Yes. Dr. Chrysofakis is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Grigorios Chrysofakis bill to Medicare?
In 2024, Dr. Chrysofakis' most billed Medicare services were injected or infused drug (J1453), injected or infused drug (J2405) and injected or infused drug (J1100).
Where did Dr. Grigorios Chrysofakis go to medical school?
Dr. Chrysofakis graduated from University of Athens in 2004.
What drugs does Dr. Grigorios Chrysofakis prescribe most?
In 2024 Medicare Part D data, Dr. Chrysofakis' most prescribed drugs by claims were Anastrozole, Hydroxyurea and Ondansetron ODT.
Has Dr. Grigorios Chrysofakis received payments from drug or device companies?
CMS Open Payments shows $7,093 in general payments to Dr. Chrysofakis from 39 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Grigorios Chrysofakis been practicing?
Dr. Chrysofakis graduated from medical school in 2004, 22 years ago.
Does Dr. Grigorios Chrysofakis do research?
Dmand AI links 2 publications to Dr. Chrysofakis, published from 2013 to 2014.
Who does Dr. Grigorios Chrysofakis publish with?
Dr. Chrysofakis' most frequent co-authors are Krishna Gundabolu, MD (2 shared papers), Pavlos Msaouel, MD, PhD (2 shared papers) and Rishi Jain, MD (1 shared paper).
What insurance does Dr. Grigorios Chrysofakis accept?
Dr. Chrysofakis is in network with 15 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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