Dr. Alexander Gaitanis, DO

  • Eureka, CA
  • Medical oncologist
NPI1114937844PAC ID8022016641
Medicare services, 2024
239
Medicare patients, 2024
156
Part D claims, 2024
776
Publications
1
MIPS score, 2024
95
Practice address
2700 Dolbeer St, Eureka, CA 95501
Practice phone
Call (707) 445-8121
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Providence St. Joseph Hospital Eureka

Hospital · Eureka, California

See all 11 affiliations

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Dr. Alexander Gaitanis is a medical oncologist in Eureka, California

Dr. Gaitanis practices at Providence St. Joseph Hospital Eureka in Eureka, California, part of Providence Health & Services.

Dr. Gaitanis' NPI, 1114937844, was assigned on August 8, 2006. Dr. Gaitanis graduated from Pcom in 2003. Dr. Gaitanis holds Pennsylvania license OS017678.

NPI and contact details
Medicare PAC ID
8022016641
NPI enumeration date
August 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(707) 445-8121
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Alexander Gaitanis practices at Providence St. Joseph Hospital Eureka in Eureka, California

Dr. Gaitanis' primary practice is Providence St. Joseph Hospital Eureka, at 2700 Dolbeer St, Eureka, CA 95501 in Humboldt County. The practice phone is (707) 445-8121.

Source: Dmand AI Affiliation Data

Dr. Alexander Gaitanis is affiliated with 5 sites of care and 6 medical groups

Dr. Gaitanis' primary practice is Providence St. Joseph Hospital Eureka in Eureka, California, part of Providence Health & Services. Dr. Gaitanis is also affiliated with Cape Cod Hospital. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Gaitanis to 2 more hospitals, 5 medical groups and 1 group practice or clinic, each named with a free account.

See all 11 affiliations for Dr. Gaitanis

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Alexander Gaitanis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaitanis practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Providence St. Joseph Hospital EurekaAvailable with a free account
+4 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Alexander Gaitanis is one of 415 medical oncologists in California

Medical oncology is Dr. Gaitanis' primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Gaitanis is board certified in medical oncology by the American Board of Internal Medicine. Dmand AI has Dr. Gaitanis' licenses on file in 3 states: Pennsylvania, California and Tennessee.

Specialties and state licenses

  • Medical oncology, PennsylvaniaPrimaryLicense OS017678 · taxonomy 207RX0202X
  • California licenseLicense 10801
  • Internal medicine, TennesseeLicense 1799 · taxonomy 207R00000X

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, immune deficiency disease, lung cancer, lymphoma, multiple myeloma and prostate cancer among the conditions Dr. Gaitanis treats.

Medical oncologists near Dr. Gaitanis

Counts of medical 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. Alexander Gaitanis billed Medicare for 239 services in 2024

CMS data shows 239 Medicare services from Dr. Gaitanis across 5 procedure codes in 2024, for 156 Medicare patients. Medicare paid $15,831 for them.

Medicare services, 2024239
Medicare patients156
Paid by Medicare$15,831
Procedure codes5

Dr. Gaitanis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2832024: 22122%
Other services
2023: 02024: 18

Where Dr. Gaitanis' Medicare services took place, 2024

  • In an office188%
  • In a facility22192%

Dr. Gaitanis compared with the California median for medical oncologists, 2024

  • Dr. Gaitanis
  • California median
Medicare services
239vs 49652% below
Medicare patients
156vs 154Close to median
Part D claims
560vs 1443.9 times

Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.

Dr. Gaitanis' 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.

See all procedures by Dr. Gaitanis

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Alexander Gaitanis treated 156 Medicare patients in 2024, average age 75

CMS counts 156 Medicare patients who saw Dr. Gaitanis in 2024. The largest group is 75 to 84, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.91, 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. Gaitanis' median patient age at 52, with 57% women.

Medicare patients, 2024156
Average age75
Average risk score1.91
Also on Medicaid17%

Dr. Gaitanis' Medicare patients by age, 2024

Dr. Gaitanis' Medicare patients by sex, 2024

  • Women8856%
  • Men6844%

Chronic conditions among Dr. Gaitanis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer53%
  4. Arthritis49%
  5. Diabetes35%
  6. Anxiety33%
  7. COPD33%
  8. Ischemic heart disease29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gaitanis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women57%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Alexander Gaitanis wrote 776 Medicare Part D claims in 2024

In 2024, Dr. Gaitanis wrote 776 Medicare Part D claims for 173 patients. 84% of them were for generic drugs. CMS names the drug for 560 of them, across 21 drugs with 11 or more claims each, at $1,017,838 in total drug cost. In 2023, CMS named 265 claims across 14 drugs.

Part D claims, 2024776
Drugs named by CMS21
Total drug cost$1M
Part D patients173

Dr. Gaitanis' Part D claims by kind of drug, 2024

  • Generic648 claims84%
  • Brand-name and other128 claims16%

Dr. Gaitanis' 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. Gaitanis' Part D claims, 2024

  • Opioids10%74 of 776 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: 2652024: 560111%

Drugs named by CMS: 21 in 2024, 14 in 2023.

See all prescribing by Dr. Gaitanis

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. Alexander Gaitanis scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Gaitanis for performance year 2024, reported through an alternative payment model (APM). Dr. Gaitanis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gaitanis as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Gaitanis' MIPS scores, performance year 2024

  • 95of 100Final score
  • 79.9of 100Quality
  • 100of 100Promoting Interoperability
  • 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. Alexander Gaitanis has 1 publication on record

Dmand AI links 1 paper to Dr. Gaitanis.

Papers1

Recent publications by Dr. Gaitanis

See all 1 publications and co-authors

See who Dr. Gaitanis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gaitanis works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Alexander Gaitanis received $5,296 in industry payments from 2016 to 2025

CMS Open Payments shows 307 general payments to Dr. Gaitanis from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Novartis Pharmaceuticals Corporation paid the most, $899.

General payments to Dr. Gaitanis by program year, 2016 to 2025

General payments to Dr. Gaitanis by kind, 2016 to 2025

$5.3Kin total
  • Food and beverage$5,01395%
  • Education$2835%

Companies that paid Dr. Gaitanis the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Gaitanis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alexander Gaitanis graduated from Pcom

Dr. Gaitanis graduated from Pcom in 2003.

  1. Medical schoolPcom
  2. Board certified in medical oncologyAmerican Board of Internal Medicine
  3. Board certified in 2009 - 2026CA State License
  4. Board certified in internal medicineNational Board of Physicians and Surgeons
  5. Board certified in medical oncologyNational Board of Physicians and Surgeons
  6. Board certified in 2005 - 2006OH State License
  7. Board certified in 2003 - 2016PA State License
  8. Board certified in 2015 - 2026PA State License
  9. Board certified in 2006 - 2017TN State License
  10. Board certified in 2016 - 2016WA State License
  11. Board certified in 2022 - 2026WV State License

Source: Dmand AI Professional Profile Data

Dr. Alexander Gaitanis accepts plans from 13 insurance carriers

Dr. Gaitanis is in network with 13 carriers, including Aetna, Cigna and LA Care. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Gaitanis accepts, by number of carriers

  1. Medicare9
  2. PPO6
  3. HMO4
  4. Medicaid4
  5. POS2
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Alexander Gaitanis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alexander Gaitanis

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. Alexander Gaitanis' NPI number?

Dr. Alexander Gaitanis' NPI number is 1114937844. It was assigned on August 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexander Gaitanis?

Dr. Alexander Gaitanis is a medical oncologist in Eureka, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Alexander Gaitanis practice?

Dr. Gaitanis practices at 2700 Dolbeer St, Eureka, CA 95501. Dr. Gaitanis' primary practice is Providence St. Joseph Hospital Eureka in Eureka, California, part of Providence Health & Services. Dmand AI also links Dr. Gaitanis to 2 hospitals, 5 medical groups and 1 group practice or clinic.

What is Dr. Alexander Gaitanis' office phone number?

The practice phone on file for Dr. Gaitanis is (707) 445-8121.

What is Dr. Alexander Gaitanis' medical license number?

Dr. Gaitanis holds Pennsylvania license OS017678, one of the licenses on file in 3 states.

Which states has Dr. Alexander Gaitanis been licensed in?

Dmand AI has state licenses on file for Dr. Gaitanis in Pennsylvania, California and Tennessee.

Which hospitals is Dr. Alexander Gaitanis affiliated with?

Dr. Gaitanis practices at Providence St. Joseph Hospital Eureka in Eureka, California. Dr. Gaitanis is also affiliated with Cape Cod Hospital. Dmand AI links Dr. Gaitanis to 2 more hospitals.

What medical group is Dr. Alexander Gaitanis part of?

Dr. Gaitanis is linked to St. Jude Heritage Medical Group. Dmand AI links Dr. Gaitanis to 5 more medical groups.

Does Dr. Alexander Gaitanis accept Medicare?

Yes. CMS data shows Dr. Gaitanis billed Medicare for 239 services in 2024, and Dr. Gaitanis accepts Medicare assignment.

Does Dr. Alexander Gaitanis offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Gaitanis as offering telehealth services.

Show 10 more questionsShow fewer questions

What is Dr. Alexander Gaitanis' MIPS score?

Dr. Gaitanis' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Alexander Gaitanis see?

CMS counts 156 Medicare patients who saw Dr. Gaitanis in 2024, with an average age of 75.

Is Dr. Alexander Gaitanis board certified?

Yes. Dr. Gaitanis is board certified in medical oncology by the American Board of Internal Medicine.

What services does Dr. Alexander Gaitanis bill to Medicare?

In 2024, Dr. Gaitanis' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99204).

Where did Dr. Alexander Gaitanis go to medical school?

Dr. Gaitanis graduated from Pcom in 2003.

What drugs does Dr. Alexander Gaitanis prescribe most?

In 2024 Medicare Part D data, Dr. Gaitanis' most prescribed drugs by claims were Ondansetron ODT, Letrozole and Dexamethasone.

Has Dr. Alexander Gaitanis received payments from drug or device companies?

CMS Open Payments shows $5,296 in general payments to Dr. Gaitanis from 43 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Alexander Gaitanis been practicing?

Dr. Gaitanis graduated from medical school in 2003, 23 years ago.

Does Dr. Alexander Gaitanis do research?

Dmand AI links 1 publication to Dr. Gaitanis.

What insurance does Dr. Alexander Gaitanis accept?

Dr. Gaitanis is in network with 13 carriers, including Aetna, Cigna and LA Care. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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