Dr. Haran Nathan Ratna, MD, MPH

  • Long Beach, NY
  • Internist
NPI1851912836PAC ID9830548320
Medicare services, 2024
209
Medicare patients, 2024
148
Part D claims, 2024
774
Publications
1
Hospital affiliations
1
Practice address
440 E Bay Dr, Long Beach, NY 11561
Practice phone
Call (516) 536-1455
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

North Shore Medical Group of the Mount Sinai School of Medicine

Long Beach, New York

See all 6 affiliations

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Dr. Haran Nathan Ratna is an internist in Long Beach, New York

Dr. Ratna practices at North Shore Medical Group of the Mount Sinai School of Medicine in Long Beach, New York.

Dr. Ratna's NPI, 1851912836, was assigned on May 1, 2020. Dr. Ratna holds New York license 325433-01.

NPI and contact details
Medicare PAC ID
9830548320
NPI enumeration date
May 1, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(516) 536-1455
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Dr. Haran Nathan Ratna practices at North Shore Medical Group of the Mount Sinai School of Medicine in Long Beach, New York

Dr. Ratna's primary practice is North Shore Medical Group of the Mount Sinai School of Medicine, at 440 E Bay Dr, Long Beach, NY 11561 in Nassau County. The practice phone is (516) 536-1455.

  • North Shore Medical Group of the Mount Sinai School of Medicine
    440 E Bay Dr, Long Beach, NY 11561 · Nassau CountyPhone(516) 536-1455

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

Dr. Haran Nathan Ratna is affiliated with 5 sites of care and 1 medical group

Dr. Ratna's primary practice is North Shore Medical Group of the Mount Sinai School of Medicine in Long Beach, New York. Dr. Ratna is also affiliated with Mount Sinai South Nassau. The medical group on file is Mount Sinai Doctors Long Island. Dmand AI also links Dr. Ratna to 2 more home health agencies and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Ratna

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

Dmand AI tracks the EHR system at Dr. Haran Nathan Ratna's practice

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

EHR by site
SiteEHR vendor and product
North Shore Medical Group of the Mount Sinai School of MedicineAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Haran Nathan Ratna is one of 9,643 internists in New York

Internal medicine is Dr. Ratna's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ratna is licensed in New York.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 325433-01 · taxonomy 207R00000X

Internists near Dr. Ratna

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

9,643internists in New York
4internists in Long Beach

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

Dr. Haran Nathan Ratna billed Medicare for 209 services in 2024

CMS data shows 209 Medicare services from Dr. Ratna across 5 procedure codes in 2024, for 148 Medicare patients. Medicare paid $17,874 for them. Every service was in an office.

Medicare services, 2024209
Medicare patients148
Paid by Medicare$17,874
Procedure codes5

Dr. Ratna's Medicare services by type, 2024

  1. Office and hospital visits193
  2. Tests and treatments16

Dr. Ratna compared with the New York median for internists, 2024

  • Dr. Ratna
  • New York median
Medicare services
209vs 42651% below
Medicare patients
148vs 1586% below
Part D claims
387vs 62238% below

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Dr. Ratna'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.

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

Dr. Haran Nathan Ratna treated 148 Medicare patients in 2024, average age 76

CMS counts 148 Medicare patients who saw Dr. Ratna in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ratna's median patient age at 64, with 51% women.

Medicare patients, 2024148
Average age76
Average risk score1.13
Also on Medicaid9%

Dr. Ratna's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ratna's Medicare patients by sex, 2024

  • Women7651%
  • Men7249%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Ischemic heart disease47%
  5. Diabetes28%
  6. Anxiety26%
  7. Atrial fibrillation20%
  8. Mood disorders20%

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

Dr. Ratna's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women51%
  • Men47%

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

Dr. Haran Nathan Ratna wrote 774 Medicare Part D claims in 2024

In 2024, Dr. Ratna wrote 774 Medicare Part D claims for 176 patients. 86% of them were for generic drugs. CMS names the drug for 387 of them, across 19 drugs with 11 or more claims each, at $3,284 in total drug cost.

Part D claims, 2024774
Drugs named by CMS19
Total drug cost$3,284
Part D patients176

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

  • Generic669 claims86%
  • Brand-name and other105 claims14%

Dr. Ratna'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.

Drug classes CMS tracks in Dr. Ratna's Part D claims, 2024

  • Opioids2%19 of 774 claims
  • Antibiotics9%70 of 774 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Ratna

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

How Dr. Haran Nathan Ratna takes part in Medicare

Dr. Ratna accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Haran Nathan Ratna has 1 publication on record

Dmand AI links 1 paper to Dr. Ratna in 2015.

Papers1

Recent publications by Dr. Ratna

See all 1 publications and co-authors

See who Dr. Ratna researches with

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

How network discovery works

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

Dr. Haran Nathan Ratna received $81 in industry payments in 2025

CMS Open Payments shows 4 general payments to Dr. Ratna from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $22.

Companies that paid Dr. Ratna the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ratna

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

Sources for Dr. Haran Nathan Ratna'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)
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)
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. Haran Nathan Ratna

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. Haran Nathan Ratna's NPI number?

Dr. Haran Nathan Ratna's NPI number is 1851912836. It was assigned on May 1, 2020, and it is active in the NPI Registry.

What kind of doctor is Dr. Haran Nathan Ratna?

Dr. Haran Nathan Ratna is an internist in Long Beach, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Haran Nathan Ratna practice?

Dr. Ratna practices at 440 E Bay Dr, Long Beach, NY 11561. Dr. Ratna's primary practice is North Shore Medical Group of the Mount Sinai School of Medicine in Long Beach, New York. Dmand AI also links Dr. Ratna to 2 home health agencies and 1 group practice or clinic.

What is Dr. Haran Nathan Ratna's office phone number?

The practice phone on file for Dr. Ratna is (516) 536-1455.

What is Dr. Haran Nathan Ratna's medical license number?

Dr. Ratna holds New York license 325433-01.

Which hospitals is Dr. Haran Nathan Ratna affiliated with?

Dr. Ratna is affiliated with Mount Sinai South Nassau.

What medical group is Dr. Haran Nathan Ratna part of?

Dr. Ratna is linked to Mount Sinai Doctors Long Island.

Does Dr. Haran Nathan Ratna accept Medicare?

Yes. CMS data shows Dr. Ratna billed Medicare for 209 services in 2024, and Dr. Ratna accepts Medicare assignment.

How many Medicare patients does Dr. Haran Nathan Ratna see?

CMS counts 148 Medicare patients who saw Dr. Ratna in 2024, with an average age of 76.

What services does Dr. Haran Nathan Ratna bill to Medicare?

In 2024, Dr. Ratna's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).

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What drugs does Dr. Haran Nathan Ratna prescribe most?

In 2024 Medicare Part D data, Dr. Ratna's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Atorvastatin Calcium and Losartan Potassium.

Has Dr. Haran Nathan Ratna received payments from drug or device companies?

CMS Open Payments shows $81 in general payments to Dr. Ratna from 4 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Haran Nathan Ratna been practicing?

Dr. Ratna graduated from medical school in 2016, 10 years ago.

Does Dr. Haran Nathan Ratna do research?

Dmand AI links 1 publication to Dr. Ratna.

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