Dr. Hema Laskhmi Ramkumar, MD

  • Fullerton, CA
  • Retina specialist (ophthalmology) physician
NPI1184919524PAC ID8921315003
Medicare services, 2024
61,018
Medicare patients, 2024
680
Part D claims, 2024
586
Publications
31
Clinical trials
2
Practice address
301 W Bastanchury Rd, Fullerton, CA 92835
Practice phone
Call (949) 706-2887
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fullerton Clinical and Surgical Facility

Fullerton, California

See all 7 affiliations

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Dr. Hema Laskhmi Ramkumar is a retina specialist (ophthalmology) physician in Fullerton, California

Dr. Ramkumar practices at Fullerton Clinical and Surgical Facility in Fullerton, California.

Dr. Ramkumar's NPI, 1184919524, was assigned on June 14, 2011. Dr. Ramkumar graduated from Feinberg School of Medicine in 2010. Dr. Ramkumar holds California license A121980.

NPI and contact details
Medicare PAC ID
8921315003
NPI enumeration date
June 14, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 706-2887
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
40
Medical school graduation
2010

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

Dr. Hema Laskhmi Ramkumar practices at Fullerton Clinical and Surgical Facility in Fullerton, California

Dr. Ramkumar's primary practice is Fullerton Clinical and Surgical Facility, at 301 W Bastanchury Rd, Fullerton, CA 92835 in Orange County. The practice phone is (949) 706-2887.

  • Fullerton Clinical and Surgical Facility
    301 W Bastanchury Rd, Fullerton, CA 92835 · Orange CountyPhone(949) 706-2887

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Hema Laskhmi Ramkumar is affiliated with 5 sites of care and 2 medical groups

Dr. Ramkumar's primary practice is Fullerton Clinical and Surgical Facility in Fullerton, California. Dr. Ramkumar is also affiliated with Providence St. Jude Medical Center. Dmand AI also links Dr. Ramkumar to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Ramkumar

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Hema Laskhmi Ramkumar's practice

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

EHR by site
SiteEHR vendor and product
Fullerton Clinical and Surgical FacilityAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hema Laskhmi Ramkumar is one of 183 retina specialist (ophthalmology) physicians in California

Retina specialist is Dr. Ramkumar's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Ramkumar is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Ramkumar is licensed in California.

Specialties and state licenses

  • Retina specialist (ophthalmology), CaliforniaPrimaryLicense A121980 · 2012 to 2026 · taxonomy 207WX0107X

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, conjunctivitis, glaucoma, hypertensive retinopathy, inflammation of iris, laser destruction of retinal or choroid lesions and retinal detachment among the conditions Dr. Ramkumar treats.

Retina specialist (ophthalmology) physicians near Dr. Ramkumar

Counts of retina specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.

183retina specialist (ophthalmology) physicians in California
4retina specialist (ophthalmology) physicians in Fullerton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hema Laskhmi Ramkumar billed Medicare for 61,018 services in 2024

CMS data shows 61,018 Medicare services from Dr. Ramkumar across 16 procedure codes in 2024, for 680 Medicare patients. Medicare paid $2,418,457 for them. Every service was in an office.

Medicare services, 202461,018
Medicare patients680
Paid by Medicare$2.4M
Procedure codes16

Dr. Ramkumar's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 36,7972024: 55,72551%
Tests and treatments
2023: 2,0712024: 2,2288%
Office and hospital visits
2023: 1,8972024: 1,889No change
Surgery
2023: 1,1302024: 1,1391%
Imaging
2023: 412024: 3710%

Dr. Ramkumar compared with the California median for retina specialist (ophthalmology) physicians, 2024

  • Dr. Ramkumar
  • California median
Medicare services
61,018vs 8,7966.9 times
Medicare patients
680vs 711Close to median
Part D claims
487vs 32052% above

Medians across 180 retina specialist (ophthalmology) physicians in California with Dmand AI profiles that report each measure.

Dr. Ramkumar'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 Dr. Ramkumar

Need commercial claims for Dr. Ramkumar?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ramkumar and other retina specialist (ophthalmology) physicians in California.

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

Dr. Hema Laskhmi Ramkumar treated 680 Medicare patients in 2024, average age 76

CMS counts 680 Medicare patients who saw Dr. Ramkumar in 2024. The largest group is 65 to 74, with 252 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.66, 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. Ramkumar's median patient age at 72, with 56% women.

Medicare patients, 2024680
Average age76
Average risk score1.66
Also on Medicaid22%

Dr. Ramkumar's Medicare patients by age, 2024

Dr. Ramkumar's Medicare patients by sex, 2024

  • Women39959%
  • Men28141%

Chronic conditions among Dr. Ramkumar's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes49%
  4. Arthritis43%
  5. Chronic kidney disease36%
  6. Ischemic heart disease27%
  7. Osteoporosis21%
  8. Heart failure20%

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

Dr. Ramkumar'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

  • Women56%
  • Men43%

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

Dr. Hema Laskhmi Ramkumar wrote 586 Medicare Part D claims in 2024

In 2024, Dr. Ramkumar wrote 586 Medicare Part D claims for 189 patients. 70% of them were for generic drugs. CMS names the drug for 487 of them, across 12 drugs with 11 or more claims each, at $11,874 in total drug cost. In 2023, CMS named 493 claims across 12 drugs.

Part D claims, 2024586
Drugs named by CMS12
Total drug cost$11,874
Part D patients189

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

  • Generic413 claims70%
  • Brand-name173 claims30%

Dr. Ramkumar'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: 4932024: 4871%

Drugs named by CMS: 12 in 2024, 12 in 2023.

See all prescribing by Dr. Ramkumar

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. Hema Laskhmi Ramkumar 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. Ramkumar for performance year 2024, reported as part of a group. Dr. Ramkumar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Ramkumar's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities

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

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

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. Hema Laskhmi Ramkumar has 31 publications on record

Dmand AI links 31 papers to Dr. Ramkumar, published from 2008 to 2024. 2013 was the busiest year, with 3. The most frequent topics are Retina, Tomography, Optical Coherence and Angiogenesis Inhibitors. Dr. Ramkumar has published most often in Retina. Dr. Ramkumar's most frequent co-authors are William R. Freeman, MD, Rohan Verma, MD and Sean David Adrean, MD.

Papers31
Years published2008 to 2024

Dr. Ramkumar's papers by year, 2011 to 2024

Topics Dr. Ramkumar writes about most

  • Retina
  • Tomography, Optical Coherence
  • Angiogenesis Inhibitors
  • Retinal Ganglion Cells
  • Visual Acuity
  • DNA Mutational Analysis
  • Eye Diseases
  • Geographic Atrophy

Dr. Ramkumar's most frequent co-authors

Recent publications by Dr. Ramkumar

See all 31 publications and co-authors

See who Dr. Ramkumar researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ramkumar works with, so you can find a warm path to the right retina specialist (ophthalmology) physicians.

How network discovery works

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

Dr. Hema Laskhmi Ramkumar has worked on 2 clinical trials

Dmand AI links Dr. Ramkumar to 2 clinical trials. Conditions studied include Macular Degeneration, Retinopathy of Prematurity and Infant, Premature, Diseases. Open Payments lists research payments to Dr. Ramkumar that name 1 trial.

Conditions in Dr. Ramkumar's trials

  • Macular Degeneration
  • Retinopathy of Prematurity
  • Infant, Premature, Diseases
  • Retinal Degeneration

Investigators on the most trials with Dr. Ramkumar

Recent clinical trials with Dr. Ramkumar

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Hema Laskhmi Ramkumar received $27,582 in industry payments from 2016 to 2025

CMS Open Payments shows 145 general payments to Dr. Ramkumar from 22 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 69% of the total. Genentech, Inc. paid the most, $14,604. It also lists 10 research payments totaling $2,702 from 2019 to 2020, naming 1 clinical trial.

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

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

$27.6Kin total
  • Consulting fees$19,01069%
  • Food and beverage$6,19222%
  • Honoraria$1,2004%
  • Travel and lodging$1,1124%
  • Other$690%

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

Share is of all general payments to this clinician.

See all payments to Dr. Ramkumar

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

Dr. Hema Laskhmi Ramkumar graduated from Feinberg School of Medicine

Dr. Ramkumar graduated from Feinberg School of Medicine in 2010.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Hema Laskhmi Ramkumar accepts plans from 15 insurance carriers

Dr. Ramkumar is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Ramkumar accepts, by number of carriers

  1. Medicare11
  2. HMO9
  3. PPO9
  4. POS5
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Hema Laskhmi Ramkumar'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Hema Laskhmi Ramkumar

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. Hema Laskhmi Ramkumar's NPI number?

Dr. Hema Laskhmi Ramkumar's NPI number is 1184919524. It was assigned on June 14, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Hema Laskhmi Ramkumar?

Dr. Hema Laskhmi Ramkumar is a retina specialist (ophthalmology) physician in Fullerton, California. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).

Where does Dr. Hema Laskhmi Ramkumar practice?

Dr. Ramkumar practices at 301 W Bastanchury Rd, Fullerton, CA 92835. Dr. Ramkumar's primary practice is Fullerton Clinical and Surgical Facility in Fullerton, California. Dmand AI also links Dr. Ramkumar to 1 hospital, 2 group practices and clinics and 2 medical groups.

What is Dr. Hema Laskhmi Ramkumar's office phone number?

The practice phone on file for Dr. Ramkumar is (949) 706-2887.

What is Dr. Hema Laskhmi Ramkumar's medical license number?

Dr. Ramkumar holds California license A121980.

Which hospitals is Dr. Hema Laskhmi Ramkumar affiliated with?

Dr. Ramkumar is affiliated with Providence St. Jude Medical Center. Dmand AI links Dr. Ramkumar to 1 more hospital.

Does Dr. Hema Laskhmi Ramkumar accept Medicare?

Yes. CMS data shows Dr. Ramkumar billed Medicare for 61,018 services in 2024, and Dr. Ramkumar accepts Medicare assignment.

What is Dr. Hema Laskhmi Ramkumar's MIPS score?

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

How many Medicare patients does Dr. Hema Laskhmi Ramkumar see?

CMS counts 680 Medicare patients who saw Dr. Ramkumar in 2024, with an average age of 76.

Is Dr. Hema Laskhmi Ramkumar board certified?

Yes. Dr. Ramkumar is board certified in ophthalmology by the American Board of Ophthalmology.

Show 8 more questionsShow fewer questions

What services does Dr. Hema Laskhmi Ramkumar bill to Medicare?

In 2024, Dr. Ramkumar's most billed Medicare services were injected or infused drug (J2777), injected or infused drug (J2781) and eye exam or test (92134).

Where did Dr. Hema Laskhmi Ramkumar go to medical school?

Dr. Ramkumar graduated from Feinberg School of Medicine in 2010.

What drugs does Dr. Hema Laskhmi Ramkumar prescribe most?

In 2024 Medicare Part D data, Dr. Ramkumar's most prescribed drugs by claims were Dorzolamide-Timolol, Neomycin-Polymyxin-Dexameth and Latanoprost.

Has Dr. Hema Laskhmi Ramkumar received payments from drug or device companies?

CMS Open Payments shows $27,582 in general payments to Dr. Ramkumar from 22 companies from 2016 to 2025. The largest total came from Genentech, Inc.

How long has Dr. Hema Laskhmi Ramkumar been practicing?

Dr. Ramkumar graduated from medical school in 2010, 16 years ago.

Does Dr. Hema Laskhmi Ramkumar do research?

Dmand AI links 31 publications to Dr. Ramkumar, published from 2008 to 2024. Dr. Ramkumar has worked on 2 clinical trials.

Who does Dr. Hema Laskhmi Ramkumar publish with?

Dr. Ramkumar's most frequent co-authors are William R. Freeman, MD (6 shared papers), Rohan Verma, MD (4 shared papers) and Sean David Adrean, MD (3 shared papers).

What insurance does Dr. Hema Laskhmi Ramkumar accept?

Dr. Ramkumar is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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