Gandhivarma Subramaniam

  • Cleveland, OH
  • Neurosurgeon
NPI1194003384PAC ID6507019163
Medicare services, 2024
650
Medicare patients, 2024
307
Part D claims, 2024
102
Hospital affiliations
5
Industry payments
$2,610
Practice address
18101 Lorain Avenue, Cleveland, OH 44111
Practice phone
Call (216) 476-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fairview Hospital

Hospital · Cleveland, Ohio

See all 7 affiliations

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Gandhivarma Subramaniam is a neurosurgeon in Cleveland, Ohio

Gandhivarma Subramaniam practices at Fairview Hospital in Cleveland, Ohio, part of The Cleveland Clinic Foundation.

Gandhivarma Subramaniam's NPI, 1194003384, was assigned on July 22, 2011. Gandhivarma Subramaniam holds Missouri license 2012030144.

NPI and contact details
Medicare PAC ID
6507019163
NPI enumeration date
July 22, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(216) 476-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

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

Gandhivarma Subramaniam practices at Fairview Hospital in Cleveland, Ohio

Gandhivarma Subramaniam's primary practice is Fairview Hospital, at 18101 Lorain Avenue, Cleveland, OH 44111 in Cuyahoga County. The practice phone is (216) 476-7000.

  • Fairview Hospital
    18101 Lorain Avenue, Cleveland, OH 44111 · Cuyahoga CountyPhone(216) 476-7000

Source: Dmand AI Affiliation Data

Gandhivarma Subramaniam is affiliated with 6 sites of care and 1 medical group

Gandhivarma Subramaniam's primary practice is Fairview Hospital in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Gandhivarma Subramaniam is also affiliated with Cleveland Clinic Main Campus. The medical group on file is Cleveland Clinic. Dmand AI also links Gandhivarma Subramaniam to 3 more hospitals and 1 hospital outpatient department, each named with a free account.

See all 7 affiliations for Gandhivarma Subramaniam

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

Dmand AI tracks the EHR system at Gandhivarma Subramaniam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gandhivarma Subramaniam practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fairview HospitalAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Gandhivarma Subramaniam is one of 320 neurosurgeons in Ohio

Neurological surgery is Gandhivarma Subramaniam's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Gandhivarma Subramaniam is licensed in Missouri.

Specialties and state licenses

  • Neurological surgery, MissouriPrimaryLicense 2012030144 · taxonomy 207T00000X

Neurosurgeons near Gandhivarma Subramaniam

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

Gandhivarma Subramaniam billed Medicare for 650 services in 2024

CMS data shows 650 Medicare services from Gandhivarma Subramaniam across 16 procedure codes in 2024, for 307 Medicare patients. Medicare paid $127,208 for them.

Medicare services, 2024650
Medicare patients307
Paid by Medicare$127,208
Procedure codes16

Gandhivarma Subramaniam's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3592024: 39510%
Surgery
2023: 2032024: 24420%
Other services
2023: 02024: 11

Where Gandhivarma Subramaniam's Medicare services took place, 2024

  • In an office20131%
  • In a facility44969%

Gandhivarma Subramaniam compared with the Ohio median for neurosurgeons, 2024

  • Gandhivarma Subramaniam
  • Ohio median
Medicare services
650vs 2063.2 times
Medicare patients
307vs 1482.1 times
Part D claims
89vs 4598% above

Medians across 273 neurosurgeons in Ohio with Dmand AI profiles that report each measure.

Gandhivarma Subramaniam'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.

See all procedures by Gandhivarma Subramaniam

Need commercial claims for Gandhivarma Subramaniam?

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

Gandhivarma Subramaniam treated 307 Medicare patients in 2024, average age 75

CMS counts 307 Medicare patients who saw Gandhivarma Subramaniam in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have arthritis, and 75% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Gandhivarma Subramaniam's median patient age at 68, with 46% women.

Medicare patients, 2024307
Average age75
Average risk score1.50
Also on Medicaid5%

Gandhivarma Subramaniam's Medicare patients by age, 2024

Gandhivarma Subramaniam's Medicare patients by sex, 2024

  • Women14848%
  • Men15952%

Chronic conditions among Gandhivarma Subramaniam's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease39%
  5. Mood disorders39%
  6. Depression37%
  7. Anxiety32%
  8. Diabetes31%

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

Gandhivarma Subramaniam's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women46%
  • Men53%

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

Gandhivarma Subramaniam wrote 102 Medicare Part D claims in 2024

In 2024, Gandhivarma Subramaniam wrote 102 Medicare Part D claims for 81 patients. 100% of them were for generic drugs. CMS names the drug for 89 of them, across 3 drugs with 11 or more claims each, at $934 in total drug cost. In 2023, CMS named 105 claims across 3 drugs.

Part D claims, 2024102
Drugs named by CMS3
Total drug cost$934
Part D patients81

Gandhivarma Subramaniam'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1052024: 8915%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Gandhivarma Subramaniam

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

Gandhivarma Subramaniam ranks in the 92nd percentile for laminectomy or laminotomy (partial removal of spine bones) in Medicare

Gandhivarma Subramaniam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Gandhivarma Subramaniam as offering telehealth. CMS counts 90 procedures of laminectomy or laminotomy (partial removal of spine bones) by Gandhivarma Subramaniam, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Gandhivarma Subramaniam ranks in Medicare procedure volume

Spinal fusion
84th percentile151 procedures
Laminectomy or laminotomy (partial removal of spine bones)
92nd percentile90 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Gandhivarma Subramaniam received $2,610 in industry payments from 2017 to 2025

CMS Open Payments shows 24 general payments to Gandhivarma Subramaniam from 5 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 69% of the total. Stryker Corporation paid the most, $2,443.

General payments to Gandhivarma Subramaniam by program year, 2017 to 2025

General payments to Gandhivarma Subramaniam by kind, 2017 to 2025

$2.6Kin total
  • Travel and lodging$1,80169%
  • Food and beverage$80931%

Companies that paid Gandhivarma Subramaniam the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Gandhivarma Subramaniam

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

Sources for Gandhivarma Subramaniam'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Gandhivarma Subramaniam

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gandhivarma Subramaniam's NPI number?

Gandhivarma Subramaniam's NPI number is 1194003384. It was assigned on July 22, 2011, and it is active in the NPI Registry.

What does Gandhivarma Subramaniam specialize in?

Gandhivarma Subramaniam is a neurosurgeon in Cleveland, Ohio. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Gandhivarma Subramaniam practice?

Gandhivarma Subramaniam practices at 18101 Lorain Avenue, Cleveland, OH 44111. Gandhivarma Subramaniam's primary practice is Fairview Hospital in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Gandhivarma Subramaniam to 3 hospitals and 1 hospital outpatient department.

What is Gandhivarma Subramaniam's office phone number?

The practice phone on file for Gandhivarma Subramaniam is (216) 476-7000.

What is Gandhivarma Subramaniam's medical license number?

Gandhivarma Subramaniam holds Missouri license 2012030144.

Which hospitals is Gandhivarma Subramaniam affiliated with?

Gandhivarma Subramaniam practices at Fairview Hospital in Cleveland, Ohio. Gandhivarma Subramaniam is also affiliated with Cleveland Clinic Main Campus. Dmand AI links Gandhivarma Subramaniam to 3 more hospitals.

What medical group is Gandhivarma Subramaniam part of?

Gandhivarma Subramaniam is linked to Cleveland Clinic.

Does Gandhivarma Subramaniam accept Medicare?

Yes. CMS data shows Gandhivarma Subramaniam billed Medicare for 650 services in 2024, and Gandhivarma Subramaniam accepts Medicare assignment.

Does Gandhivarma Subramaniam offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Gandhivarma Subramaniam as offering telehealth services.

How many Medicare patients does Gandhivarma Subramaniam see?

CMS counts 307 Medicare patients who saw Gandhivarma Subramaniam in 2024, with an average age of 75.

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What services does Gandhivarma Subramaniam bill to Medicare?

In 2024, Gandhivarma Subramaniam's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and surgery: bones and joints (22614).

What drugs does Gandhivarma Subramaniam prescribe most?

In 2024 Medicare Part D data, Gandhivarma Subramaniam's most prescribed drugs by claims were Gabapentin, Pregabalin and Mupirocin.

Has Gandhivarma Subramaniam received payments from drug or device companies?

CMS Open Payments shows $2,610 in general payments to Gandhivarma Subramaniam from 5 companies from 2017 to 2025. The largest total came from Stryker Corporation.

How long has Gandhivarma Subramaniam been practicing?

Gandhivarma Subramaniam graduated from medical school in 1994, 32 years ago.

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