Grigorios Chrysofakis, MD
NPI 1700159118 · Hematology & Oncology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grigorios Chrysofakis, MD is a Hematology & Oncology Physician provider in Sacramento, CA (NPI 1700159118).
Provider details
- NPI number
- 1700159118
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- Y3314181 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,881 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 560 | $134 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 394 | $8 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 283 | $144 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 276 | $31 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 195 | $10 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 188 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 84 | 18 |
| Hydroxyurea | 75 | 12 |
| Ondansetronbrand: Ondansetron Odt | 75 | 31 |
| Dexamethasone | 45 | 24 |
| Potassium Chloride | 39 | — |
| Morphine Sulfatebrand: Morphine Sulfate Er | 39 | 14 |
| Metoclopramide Hcl | 38 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,374 across 64 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3301 C St Ste 550Sacramento, CA 95816-3386Phone: (916) 733-5300Fax: (916) 351-4899
Registry dates
- Enumerated
- 2012-02-15
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Grigorios Chrysofakis's NPI number?
- Grigorios Chrysofakis's National Provider Identifier (NPI) is 1700159118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grigorios Chrysofakis's specialty?
- Grigorios Chrysofakis is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Grigorios Chrysofakis located?
- Grigorios Chrysofakis's practice location on file with NPPES is 2800 L St Ste 300, Sacramento, CA 95816-5616.
- What is Grigorios Chrysofakis's phone number?
- The practice phone number listed in the NPPES registry for Grigorios Chrysofakis is (916) 453-3300.
- Does Grigorios Chrysofakis accept Medicare?
- Grigorios Chrysofakis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grigorios Chrysofakis's NPI active?
- Yes — Grigorios Chrysofakis's NPI (1700159118) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.