Dr. Dinesh Ramanathan, MD

  • Loma Linda, CA
  • Neurosurgeon
NPI1184910135PAC ID8022339688
Medicare patients, 2024
11
Publications
45
MIPS score, 2024
89
Hospital affiliations
1
Industry payments
$19,407
Practice address
11234 Anderson St, Loma Linda, CA 92354
Practice phone
Call (909) 558-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Loma Linda University Medical Center

Hospital · Loma Linda, California

See all 8 affiliations

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Dr. Dinesh Ramanathan is a neurosurgeon in Loma Linda, California

Dr. Ramanathan practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.

Dr. Ramanathan's NPI, 1184910135, was assigned on June 28, 2011. Dr. Ramanathan graduated from Madras Medical College in 2003. Dr. Ramanathan holds California license 145651.

NPI and contact details
Medicare PAC ID
8022339688
NPI enumeration date
June 28, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 558-4000
Professional email
Get email
Personal email
Get email
Mobile number
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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. Dinesh Ramanathan practices at Loma Linda University Medical Center in Loma Linda, California

Dr. Ramanathan's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.

Source: Dmand AI Affiliation Data

Dr. Dinesh Ramanathan is affiliated with 4 sites of care and 4 medical groups

Dr. Ramanathan's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Ramanathan to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Ramanathan

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

Dmand AI tracks the EHR system at Dr. Dinesh Ramanathan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ramanathan practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Loma Linda University Medical CenterAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Ramanathan practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Seventh-day Adventist Church and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Dinesh Ramanathan is one of 846 neurosurgeons in California

Neurological surgery is Dr. Ramanathan's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Ramanathan's licenses on file in 5 states: California, Illinois, Ohio, North Carolina and Washington.

Specialties and state licenses

  • Neurological surgery, CaliforniaPrimaryLicense 145651 · 2016 to 2026 · taxonomy 207T00000X
  • Illinois license2016 to 2020
  • Ohio license2012 to 2013
  • North Carolina license2011 to 2012
  • Washington license2009 to 2010

Neurosurgeons near Dr. Ramanathan

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. Dinesh Ramanathan treated 11 Medicare patients in 2024, average age 71

CMS counts 11 Medicare patients who saw Dr. Ramanathan in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 2.16, 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. Ramanathan's median patient age at 63, with 57% women.

Medicare patients, 202411
Average age71
Average risk score2.16

Dr. Ramanathan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ramanathan's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Dr. Dinesh Ramanathan scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Ramanathan for performance year 2024, reported as part of a group. Dr. Ramanathan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ramanathan as offering telehealth. CMS counts 59 procedures of spinal fusion by Dr. Ramanathan, more than 60% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Ramanathan's MIPS scores, performance year 2024

  • 89of 100Final score
  • 72.1of 100Quality
  • 80of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Ramanathan ranks in Medicare procedure volume

Spinal fusion
60th percentile59 procedures
Laminectomy or laminotomy (partial removal of spine bones)
46th percentile18 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)

Dr. Dinesh Ramanathan has 45 publications on record

Dmand AI links 45 papers to Dr. Ramanathan, published from 2010 to 2022. 2011 was the busiest year, with 10. The most frequent topics are Cerebral Revascularization, Neurosurgical Procedures and Intracranial Aneurysm. Dr. Ramanathan has published most often in World Neurosurg. Dr. Ramanathan's most frequent co-authors are Laligam Natarajan Sekhar, Louis J. Kim, MD and Salvatore Di Maio, MD.

Papers45
Years published2010 to 2022

Dr. Ramanathan's papers by year, 2010 to 2022

Topics Dr. Ramanathan writes about most

  • Cerebral Revascularization
  • Neurosurgical Procedures
  • Intracranial Aneurysm
  • Postoperative Complications
  • Embolization, Therapeutic
  • Minimally Invasive Surgical Procedures
  • Skull Base
  • Arteries

Dr. Ramanathan's most frequent co-authors

Recent publications by Dr. Ramanathan

See all 45 publications and co-authors

See who Dr. Ramanathan researches with

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

How network discovery works

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

Dr. Dinesh Ramanathan received $19,407 in industry payments from 2017 to 2025

CMS Open Payments shows 107 general payments to Dr. Ramanathan from 20 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 74% of the total. Zimvie Inc. paid the most, $4,345.

General payments to Dr. Ramanathan by program year, 2017 to 2025

General payments to Dr. Ramanathan by kind, 2017 to 2025

$19.4Kin total
  • Travel and lodging$14,38974%
  • Food and beverage$4,97526%
  • Entertainment$420%

Companies that paid Dr. Ramanathan the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ramanathan

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

Dr. Dinesh Ramanathan graduated from Madras Medical College

Dr. Ramanathan graduated from Madras Medical College in 2003. Dr. Ramanathan is a member of CNS.

  1. Medical schoolMadras Medical College

Source: Dmand AI Professional Profile Data

Dr. Dinesh Ramanathan accepts plans from 13 insurance carriers

Dr. Ramanathan is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Ramanathan accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Dinesh Ramanathan'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 patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)Doctors and Clinicians Utilization Data (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. Dinesh Ramanathan

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. Dinesh Ramanathan's NPI number?

Dr. Dinesh Ramanathan's NPI number is 1184910135. It was assigned on June 28, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Dinesh Ramanathan?

Dr. Dinesh Ramanathan is a neurosurgeon in Loma Linda, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Dinesh Ramanathan practice?

Dr. Ramanathan practices at 11234 Anderson St, Loma Linda, CA 92354. Dr. Ramanathan's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Dr. Ramanathan to 3 group practices and clinics and 3 medical groups.

What is Dr. Dinesh Ramanathan's office phone number?

The practice phone on file for Dr. Ramanathan is (909) 558-4000.

What is Dr. Dinesh Ramanathan's medical license number?

Dr. Ramanathan holds California license 145651, one of the licenses on file in 5 states.

Which states has Dr. Dinesh Ramanathan been licensed in?

Dmand AI has state licenses on file for Dr. Ramanathan in California (2016 to 2026), Illinois (2016 to 2020), Ohio (2012 to 2013), North Carolina (2011 to 2012) and Washington (2009 to 2010).

Which hospitals is Dr. Dinesh Ramanathan affiliated with?

Dr. Ramanathan practices at Loma Linda University Medical Center in Loma Linda, California.

What medical group is Dr. Dinesh Ramanathan part of?

Dr. Ramanathan is linked to UC Davis Medical Group. Dmand AI links Dr. Ramanathan to 3 more medical groups.

Does Dr. Dinesh Ramanathan accept Medicare?

Yes. CMS lists Dr. Ramanathan as accepting Medicare assignment.

Does Dr. Dinesh Ramanathan offer telehealth?

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

Show 8 more questionsShow fewer questions

What is Dr. Dinesh Ramanathan's MIPS score?

Dr. Ramanathan's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Dr. Dinesh Ramanathan see?

CMS counts 11 Medicare patients who saw Dr. Ramanathan in 2024, with an average age of 71.

Where did Dr. Dinesh Ramanathan go to medical school?

Dr. Ramanathan graduated from Madras Medical College in 2003.

Has Dr. Dinesh Ramanathan received payments from drug or device companies?

CMS Open Payments shows $19,407 in general payments to Dr. Ramanathan from 20 companies from 2017 to 2025. The largest total came from Zimvie Inc.

How long has Dr. Dinesh Ramanathan been practicing?

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

Does Dr. Dinesh Ramanathan do research?

Dmand AI links 45 publications to Dr. Ramanathan, published from 2010 to 2022.

Who does Dr. Dinesh Ramanathan publish with?

Dr. Ramanathan's most frequent co-authors are Laligam Natarajan Sekhar (20 shared papers), Louis J. Kim, MD (11 shared papers) and Salvatore Di Maio, MD (5 shared papers).

What insurance does Dr. Dinesh Ramanathan accept?

Dr. Ramanathan is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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