Dr. Gregory L. Ortega, MD
- Medicare services, 2024
- 70,399
- Medicare patients, 2024
- 387
- Part D claims, 2024
- 1,547
- Publications
- 1
- MIPS score, 2024
- 100
- Practice address
- 2776 Enterprise Rd, Orange City, FL 32763
- Practice phone
- Call (386) 774-1223
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mid-Florida Hematology & Oncology Centers PA
Orange City, Florida
Find Dr. Ortega's 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. Gregory L. Ortega is a hematologist and oncologist in Orange City, Florida
Dr. Ortega practices at Mid-Florida Hematology & Oncology Centers PA in Orange City, Florida.
Dr. Ortega's NPI, 1720037989, was assigned on May 8, 2006. Dr. Ortega graduated from Universidad Nacional Pedro Henriquez Urena in 1979. Dr. Ortega holds Florida license ME41521.
- NPI
- 1720037989NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032009386
- NPI enumeration date
- May 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (386) 774-1223
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory L. Ortega practices at Mid-Florida Hematology & Oncology Centers PA in Orange City, Florida
Dr. Ortega's primary practice is Mid-Florida Hematology & Oncology Centers PA, at 2776 Enterprise Rd, Orange City, FL 32763 in Volusia County. The practice phone is (386) 774-1223.
- Mid-Florida Hematology & Oncology Centers PA2776 Enterprise Rd, Orange City, FL 32763 · Volusia CountyPhone(386) 774-1223
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory L. Ortega is affiliated with 7 sites of care and 1 medical group
Dr. Ortega's primary practice is Mid-Florida Hematology & Oncology Centers PA in Orange City, Florida. Dr. Ortega is also affiliated with AdventHealth Fish Memorial. The medical group on file is Mid Florida Cancer Centers. Dmand AI also links Dr. Ortega to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory L. Ortega's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ortega practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mid-Florida Hematology & Oncology Centers PA | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory L. Ortega is one of 693 hematologists and oncologists in Florida
Hematology and oncology is Dr. Ortega's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Ortega is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Ortega's licenses on file in 3 states: Florida, Tennessee and Indiana.
Specialties and state licenses
- Hematology and oncology, FloridaPrimary
- Tennessee license
- Indiana license
Clinical focus
Dmand AI lists breast cancer, chronic anemia, chronic embolism thrombosis, chronic leukemia, deep vein thrombosis (DVT), lung cancer, lymphoma and multiple myeloma among the conditions Dr. Ortega treats.
Hematologists and oncologists near Dr. Ortega
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. Gregory L. Ortega billed Medicare for 70,399 services in 2024
CMS data shows 70,399 Medicare services from Dr. Ortega across 45 procedure codes in 2024, for 387 Medicare patients. Medicare paid $445,885 for them.
Dr. Ortega's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 25,8642024: 39,40952%
- Other services
- 2023: 28,9522024: 22,01024%
- Lab and pathology
- 2023: 5,0562024: 5,1672%
- Tests and treatments
- 2023: 1,6422024: 1,6321%
- Office and hospital visits
- 2023: 1,1832024: 1,05711%
- Surgery
- 2023: 1,1532024: 98415%
- Imaging
- 2023: 1552024: 14010%
Where Dr. Ortega's Medicare services took place, 2024
- In an office70,341100%
- In a facility580%
Dr. Ortega compared with the Florida median for hematologists and oncologists, 2024
- Dr. Ortega
- Florida median
- Medicare services
- 70,399vs 697101.0 times
- Medicare patients
- 387vs 21878% above
- Part D claims
- 1,182vs 3413.5 times
Medians across 638 hematologists and oncologists in Florida with Dmand AI profiles that report each measure.
Dr. Ortega's 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.
Need commercial claims for Dr. Ortega?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ortega and other hematologists and oncologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory L. Ortega treated 387 Medicare patients in 2024, average age 77
CMS counts 387 Medicare patients who saw Dr. Ortega in 2024. The largest group is 75 to 84, with 160 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 2.01, 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. Ortega's median patient age at 72, with 61% women.
Dr. Ortega's Medicare patients by age, 2024
Dr. Ortega's Medicare patients by sex, 2024
- Women21455%
- Men17345%
Chronic conditions among Dr. Ortega's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease53%
- Arthritis47%
- Ischemic heart disease46%
- Diabetes39%
- Cancer35%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ortega's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory L. Ortega wrote 1,547 Medicare Part D claims in 2024
In 2024, Dr. Ortega wrote 1,547 Medicare Part D claims for 231 patients. 58% of them were for generic drugs. CMS names the drug for 1,182 of them, across 49 drugs with 11 or more claims each, at $3,286,821 in total drug cost. In 2023, CMS named 1,136 claims across 37 drugs.
Dr. Ortega's Part D claims by kind of drug, 2024
- Generic901 claims58%
- Brand-name646 claims42%
Dr. Ortega's 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. Ortega's Part D claims, 2024
- Opioids5%71 of 1,547 claims
- Antibiotics5%84 of 1,547 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: 1,1362024: 1,1824%
Drugs named by CMS: 49 in 2024, 37 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. Gregory L. Ortega scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Ortega for performance year 2024, reported as part of a group. Dr. Ortega accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ortega's MIPS scores, performance year 2024
- 100of 100Final score
- 91.5of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gregory L. Ortega has 1 publication on record
Dmand AI links 1 paper to Dr. Ortega in 2013. Dr. Ortega's most frequent co-authors are Lawrence B. Afrin, MD, David F. Claxton, MD and Solomon I. Hamburg, MD.
Dr. Ortega's most frequent co-authors
- Lawrence B. Afrin, MD1 shared paper
- David F. Claxton, MD1 shared paper
- Solomon I. Hamburg, MD1 shared paper
Recent publications by Dr. Ortega
See who Dr. Ortega researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ortega 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. Gregory L. Ortega received $13,853 in industry payments from 2016 to 2024
CMS Open Payments shows 37 general payments to Dr. Ortega from 17 drug and device companies from 2016 to 2024. Gifts make up the largest share, 89% of the total. Tosoh Bioscience, Inc. paid the most, $12,360. It also lists 1 research payment totaling $905 in 2017.
General payments to Dr. Ortega by program year, 2016 to 2024
General payments to Dr. Ortega by kind, 2016 to 2024
- Gifts$12,36089%
- Food and beverage$9957%
- Education$4984%
Companies that paid Dr. Ortega the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory L. Ortega has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Ortega, most recently Checkbook Top Doc in 2012.
Awards and honors for Dr. Ortega
- 2012
- Checkbook Top Doc
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Gregory L. Ortega graduated from Universidad Nacional Pedro Henriquez Urena
Dr. Ortega graduated from Universidad Nacional Pedro Henriquez Urena in 1979.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Gregory L. Ortega accepts plans from 19 insurance carriers
Dr. Ortega is in network with 19 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- +11 more carriersWith a free account
Plan types Dr. Ortega accepts, by number of carriers
- HMO12
- Medicare12
- PPO12
- POS7
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory L. Ortega'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Gregory L. Ortega
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. Gregory L. Ortega's NPI number?
Dr. Gregory L. Ortega's NPI number is 1720037989. It was assigned on May 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory L. Ortega?
Dr. Gregory L. Ortega is a hematologist and oncologist in Orange City, Florida. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Gregory L. Ortega practice?
Dr. Ortega practices at 2776 Enterprise Rd, Orange City, FL 32763. Dr. Ortega's primary practice is Mid-Florida Hematology & Oncology Centers PA in Orange City, Florida. Dmand AI also links Dr. Ortega to 4 hospitals and 1 group practice or clinic.
What is Dr. Gregory L. Ortega's office phone number?
The practice phone on file for Dr. Ortega is (386) 774-1223.
What is Dr. Gregory L. Ortega's medical license number?
Dr. Ortega holds Florida license ME41521, one of the licenses on file in 3 states.
Which states has Dr. Gregory L. Ortega been licensed in?
Dmand AI has state licenses on file for Dr. Ortega in Florida (1983 to 2026), Tennessee (1983 to 1992) and Indiana (1982 to 1989).
Which hospitals is Dr. Gregory L. Ortega affiliated with?
Dr. Ortega is affiliated with AdventHealth Fish Memorial. Dmand AI links Dr. Ortega to 4 more hospitals.
What medical group is Dr. Gregory L. Ortega part of?
Dr. Ortega is linked to Mid Florida Cancer Centers.
Does Dr. Gregory L. Ortega accept Medicare?
Yes. CMS data shows Dr. Ortega billed Medicare for 70,399 services in 2024, and Dr. Ortega accepts Medicare assignment.
What is Dr. Gregory L. Ortega's MIPS score?
Dr. Ortega's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Gregory L. Ortega see?
CMS counts 387 Medicare patients who saw Dr. Ortega in 2024, with an average age of 77.
Is Dr. Gregory L. Ortega board certified?
Yes. Dr. Ortega is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Gregory L. Ortega bill to Medicare?
In 2024, Dr. Ortega's most billed Medicare services were injected or infused drug (J1439), medicare temporary code (Q0138) and injected or infused drug (J0897).
Where did Dr. Gregory L. Ortega go to medical school?
Dr. Ortega graduated from Universidad Nacional Pedro Henriquez Urena in 1979.
What drugs does Dr. Gregory L. Ortega prescribe most?
In 2024 Medicare Part D data, Dr. Ortega's most prescribed drugs by claims were Anastrozole, Eliquis and Acyclovir.
Has Dr. Gregory L. Ortega received payments from drug or device companies?
CMS Open Payments shows $13,853 in general payments to Dr. Ortega from 17 companies from 2016 to 2024. The largest total came from Tosoh Bioscience, Inc.
How long has Dr. Gregory L. Ortega been practicing?
Dr. Ortega graduated from medical school in 1979, 47 years ago.
Does Dr. Gregory L. Ortega do research?
Dmand AI links 1 publication to Dr. Ortega.
Who does Dr. Gregory L. Ortega publish with?
Dr. Ortega's most frequent co-authors are Lawrence B. Afrin, MD (1 shared paper), David F. Claxton, MD (1 shared paper) and Solomon I. Hamburg, MD (1 shared paper).
What insurance does Dr. Gregory L. Ortega accept?
Dr. Ortega is in network with 19 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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