Dr. Gus George Halamandaris, MD
- Medicare services, 2024
- 1,501
- Medicare patients, 2024
- 548
- Part D claims, 2024
- 672
- MIPS score, 2024
- 75
- Hospital affiliations
- 2
- Practice address
- 220 San Jose St, Salinas, CA 93901
- Practice phone
- Call (831) 648-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Monterey Spine & Joint
Salinas, California
Find Dr. Halamandaris' 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. Gus George Halamandaris is a neurosurgeon in Salinas, California
Dr. Halamandaris practices at Monterey Spine & Joint in Salinas, California.
Dr. Halamandaris' NPI, 1083621957, was assigned on August 2, 2006. Dr. Halamandaris graduated from Spencer Fox Eccles School of Medicine in 1984. Dr. Halamandaris holds California license G57889.
- NPI
- 1083621957NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264499540
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (831) 648-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gus George Halamandaris practices at Monterey Spine & Joint in Salinas, California
Dr. Halamandaris' primary practice is Monterey Spine & Joint, at 220 San Jose St, Salinas, CA 93901 in Monterey County. The practice phone is (831) 648-7200.
- Monterey Spine & Joint220 San Jose St, Salinas, CA 93901 · Monterey CountyPhone(831) 648-7200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gus George Halamandaris is affiliated with 6 sites of care and 4 medical groups
Dr. Halamandaris' primary practice is Monterey Spine & Joint in Salinas, California. Dr. Halamandaris is also affiliated with Natividad. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Halamandaris to 1 more hospital, 3 group practices and clinics and 3 medical groups, 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. Gus George Halamandaris' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Halamandaris practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Monterey Spine & Joint | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gus George Halamandaris is one of 846 neurosurgeons in California
Neurological surgery is Dr. Halamandaris' primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Halamandaris is board certified in neurological surgery by the American Board of Neurological Surgery. Dr. Halamandaris is licensed in California.
Specialties and state licenses
- Neurological surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Halamandaris treats.
Neurosurgeons near Dr. Halamandaris
Counts of neurosurgeons 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. Gus George Halamandaris billed Medicare for 1,501 services in 2024
CMS data shows 1,501 Medicare services from Dr. Halamandaris across 23 procedure codes in 2024, for 548 Medicare patients. Medicare paid $479,358 for them.
Dr. Halamandaris' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8392024: 7669%
- Surgery
- 2023: 6672024: 664No change
- Imaging
- 2023: 842024: 7115%
Where Dr. Halamandaris' Medicare services took place, 2024
- In an office76151%
- In a facility74049%
Dr. Halamandaris compared with the California median for neurosurgeons, 2024
- Dr. Halamandaris
- California median
- Medicare services
- 1,501vs 2166.9 times
- Medicare patients
- 548vs 1543.6 times
- Part D claims
- 582vs 2622.4 times
Medians across 679 neurosurgeons in California with Dmand AI profiles that report each measure.
Dr. Halamandaris' 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. Halamandaris?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Halamandaris and other neurosurgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gus George Halamandaris treated 548 Medicare patients in 2024, average age 75
CMS counts 548 Medicare patients who saw Dr. Halamandaris in 2024. The largest group is 75 to 84, with 226 patients. 75% of them have arthritis, and 75% have high blood pressure. 24% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Halamandaris' median patient age at 66, with 52% women.
Dr. Halamandaris' Medicare patients by age, 2024
Dr. Halamandaris' Medicare patients by sex, 2024
- Women28552%
- Men26348%
Chronic conditions among Dr. Halamandaris' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes37%
- Anxiety31%
- Ischemic heart disease31%
- Mood disorders30%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Halamandaris' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gus George Halamandaris wrote 672 Medicare Part D claims in 2024
In 2024, Dr. Halamandaris wrote 672 Medicare Part D claims for 210 patients. 99% of them were for generic drugs. CMS names the drug for 582 of them, across 7 drugs with 11 or more claims each, at $6,173 in total drug cost. In 2023, CMS named 641 claims across 11 drugs.
Dr. Halamandaris' Part D claims by kind of drug, 2024
- Generic668 claims99%
- Brand-name and other4 claims1%
Dr. Halamandaris' 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. Halamandaris' Part D claims, 2024
- Opioids57%384 of 672 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: 6412024: 5829%
Drugs named by CMS: 7 in 2024, 11 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. Gus George Halamandaris scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Halamandaris for performance year 2024, reported as part of a group. Dr. Halamandaris accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 394 procedures of spinal fusion by Dr. Halamandaris, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Halamandaris ranks in Medicare procedure volume
- Spinal fusion
- 98th percentile394 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 98th percentile158 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gus George Halamandaris received $3,290 in industry payments from 2017 to 2025
CMS Open Payments shows 79 general payments to Dr. Halamandaris from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 70% of the total. Medtronic, Inc. paid the most, $2,521.
General payments to Dr. Halamandaris by program year, 2017 to 2025
General payments to Dr. Halamandaris by kind, 2017 to 2025
- Food and beverage$2,31970%
- Travel and lodging$97130%
Companies that paid Dr. Halamandaris the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gus George Halamandaris has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Halamandaris, most recently AANS Fellow in 2013.
Awards and honors for Dr. Halamandaris
- 2013
- AANS Fellow
- Undated
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Gus George Halamandaris graduated from Spencer Fox Eccles School of Medicine
Dr. Halamandaris graduated from Spencer Fox Eccles School of Medicine in 1984. Dr. Halamandaris is a member of AANS and CNS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Gus George Halamandaris accepts plans from 14 insurance carriers
Dr. Halamandaris is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Halamandaris accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Gus George Halamandaris'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Gus George Halamandaris
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. Gus George Halamandaris' NPI number?
Dr. Gus George Halamandaris' NPI number is 1083621957. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gus George Halamandaris?
Dr. Gus George Halamandaris is a neurosurgeon in Salinas, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Gus George Halamandaris practice?
Dr. Halamandaris practices at 220 San Jose St, Salinas, CA 93901. Dr. Halamandaris' primary practice is Monterey Spine & Joint in Salinas, California. Dmand AI also links Dr. Halamandaris to 1 hospital, 3 group practices and clinics and 3 medical groups.
What is Dr. Gus George Halamandaris' office phone number?
The practice phone on file for Dr. Halamandaris is (831) 648-7200.
What is Dr. Gus George Halamandaris' medical license number?
Dr. Halamandaris holds California license G57889.
Which hospitals is Dr. Gus George Halamandaris affiliated with?
Dr. Halamandaris is affiliated with Natividad. Dmand AI links Dr. Halamandaris to 1 more hospital.
What medical group is Dr. Gus George Halamandaris part of?
Dr. Halamandaris is linked to Emergency and Acute Care Medical Corporation. Dmand AI links Dr. Halamandaris to 3 more medical groups.
Does Dr. Gus George Halamandaris accept Medicare?
Yes. CMS data shows Dr. Halamandaris billed Medicare for 1,501 services in 2024, and Dr. Halamandaris accepts Medicare assignment.
What is Dr. Gus George Halamandaris' MIPS score?
Dr. Halamandaris' MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gus George Halamandaris see?
CMS counts 548 Medicare patients who saw Dr. Halamandaris in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Gus George Halamandaris board certified?
Yes. Dr. Halamandaris is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Gus George Halamandaris bill to Medicare?
In 2024, Dr. Halamandaris' most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: bones and joints (22214).
Where did Dr. Gus George Halamandaris go to medical school?
Dr. Halamandaris graduated from Spencer Fox Eccles School of Medicine in 1984.
What drugs does Dr. Gus George Halamandaris prescribe most?
In 2024 Medicare Part D data, Dr. Halamandaris' most prescribed drugs by claims were Oxycodone-Acetaminophen, Diazepam and Hydrocodone-Acetaminophen.
Has Dr. Gus George Halamandaris received payments from drug or device companies?
CMS Open Payments shows $3,290 in general payments to Dr. Halamandaris from 5 companies from 2017 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Gus George Halamandaris been practicing?
Dr. Halamandaris graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Gus George Halamandaris accept?
Dr. Halamandaris is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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