Dr. Harbax Tina Kaur Singh, MD

  • Durham, NC
  • Ophthalmologist
NPI1215098686PAC ID3678669504
Medicare services, 2024
1,548
Medicare patients, 2024
648
Part D claims, 2024
488
Hospital affiliations
1
Medical group
1
Practice address
2301 Erwin Rd, Durham, NC 27705
Practice phone
Call (919) 684-8111
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Duke University Hospital

Hospital · Durham, North Carolina

See all 3 affiliations

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Dr. Harbax Tina Kaur Singh is an ophthalmologist in Durham, North Carolina

Dr. Singh practices at Duke University Hospital in Durham, North Carolina, part of Duke University.

Dr. Singh's NPI, 1215098686, was assigned on December 12, 2006. Dr. Singh graduated from Brody School of Medicine at East Carolina University in 1997.

NPI and contact details
Medicare PAC ID
3678669504
NPI enumeration date
December 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(919) 684-8111
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Harbax Tina Kaur Singh practices at Duke University Hospital in Durham, North Carolina

Dr. Singh's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.

Source: Dmand AI Affiliation Data

Dr. Harbax Tina Kaur Singh is affiliated with 2 sites of care and 1 medical group

Dr. Singh's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Singh to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Singh

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

Dmand AI tracks the EHR system at Dr. Harbax Tina Kaur Singh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Singh practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Duke University HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Harbax Tina Kaur Singh is one of 552 ophthalmologists in North Carolina

Ophthalmology is Dr. Singh's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Singh's licenses on file in 3 states: North Carolina, District of Columbia and Maryland.

Specialties and state licenses

  • Ophthalmology, North Carolinataxonomy 207W00000X
  • District of Columbia licenseLicense MD33774
  • Maryland licenseLicense D58966

Ophthalmologists near Dr. Singh

Counts of ophthalmologists 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. Harbax Tina Kaur Singh billed Medicare for 1,548 services in 2024

CMS data shows 1,548 Medicare services from Dr. Singh across 11 procedure codes in 2024, for 648 Medicare patients. Medicare paid $129,814 for them.

Medicare services, 20241,548
Medicare patients648
Paid by Medicare$129,814
Procedure codes11

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

  • 2023
  • 2024
Tests and treatments
2023: 1,5122024: 1,33911%
Surgery
2023: 1232024: 20970%
Imaging
2023: 202024: 0100%
Office and hospital visits
2023: 112024: 0100%

Where Dr. Singh's Medicare services took place, 2024

  • In an office1,35688%
  • In a facility19212%

Dr. Singh compared with the North Carolina median for ophthalmologists, 2024

  • Dr. Singh
  • North Carolina median
Medicare services
1,548vs 1,7019% below
Medicare patients
648vs 56614% above
Part D claims
397vs 62036% below

Medians across 580 ophthalmologists in North Carolina with Dmand AI profiles that report each measure.

Dr. Singh'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. Harbax Tina Kaur Singh treated 648 Medicare patients in 2024, average age 75

CMS counts 648 Medicare patients who saw Dr. Singh in 2024. The largest group is 75 to 84, with 289 patients. 74% of them have high cholesterol, and 68% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Singh's median patient age at 73, with 65% women.

Medicare patients, 2024648
Average age75
Average risk score1.01
Also on Medicaid3%

Dr. Singh's Medicare patients by age, 2024

Dr. Singh's Medicare patients by sex, 2024

  • Women41163%
  • Men23737%

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

  1. High cholesterol74%
  2. High blood pressure68%
  3. Arthritis44%
  4. Diabetes27%
  5. Osteoporosis23%
  6. Chronic kidney disease22%
  7. Mood disorders20%
  8. Anxiety19%

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

Dr. Singh's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women65%
  • Men35%

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

Dr. Harbax Tina Kaur Singh wrote 488 Medicare Part D claims in 2024

In 2024, Dr. Singh wrote 488 Medicare Part D claims for 158 patients. 57% of them were for generic drugs. CMS names the drug for 397 of them, across 10 drugs with 11 or more claims each, at $54,762 in total drug cost. In 2023, CMS named 453 claims across 13 drugs.

Part D claims, 2024488
Drugs named by CMS10
Total drug cost$54,762
Part D patients158

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

  • Generic277 claims57%
  • Brand-name211 claims43%

Dr. Singh'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. Singh's Part D claims, 2024

  • Antibiotics3%13 of 488 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: 4532024: 39712%

Drugs named by CMS: 10 in 2024, 13 in 2023.

See all prescribing by Dr. Singh

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. Harbax Tina Kaur Singh ranks in the 78th percentile for cataract surgery in Medicare

Dr. Singh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 135 procedures of cataract surgery by Dr. Singh, more than 78% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Singh ranks in Medicare procedure volume

Cataract surgery
78th percentile135 procedures

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

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

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Dr. Harbax Tina Kaur Singh graduated from Brody School of Medicine at East Carolina University

Dr. Singh graduated from Brody School of Medicine at East Carolina University in 1997.

  1. Medical schoolBrody School of Medicine at East Carolina University

Source: Dmand AI Professional Profile Data

Sources for Dr. Harbax Tina Kaur Singh'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)
Training, board certification and membershipsDmand AI Professional Profile 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. Harbax Tina Kaur Singh

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. Harbax Tina Kaur Singh's NPI number?

Dr. Harbax Tina Kaur Singh's NPI number is 1215098686. It was assigned on December 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Harbax Tina Kaur Singh?

Dr. Harbax Tina Kaur Singh is an ophthalmologist in Durham, North Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Harbax Tina Kaur Singh practice?

Dr. Singh practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Singh's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Singh to 1 group practice or clinic.

What is Dr. Harbax Tina Kaur Singh's office phone number?

The practice phone on file for Dr. Singh is (919) 684-8111.

Which states has Dr. Harbax Tina Kaur Singh been licensed in?

Dmand AI has state licenses on file for Dr. Singh in North Carolina, District of Columbia and Maryland.

Which hospitals is Dr. Harbax Tina Kaur Singh affiliated with?

Dr. Singh practices at Duke University Hospital in Durham, North Carolina.

What medical group is Dr. Harbax Tina Kaur Singh part of?

Dr. Singh is linked to Duke Health Integrated Practice.

Does Dr. Harbax Tina Kaur Singh accept Medicare?

Yes. CMS data shows Dr. Singh billed Medicare for 1,548 services in 2024, and Dr. Singh accepts Medicare assignment.

How many Medicare patients does Dr. Harbax Tina Kaur Singh see?

CMS counts 648 Medicare patients who saw Dr. Singh in 2024, with an average age of 75.

What services does Dr. Harbax Tina Kaur Singh bill to Medicare?

In 2024, Dr. Singh's most billed Medicare services were eye exam or test (92014), surgery: eye (66984) and eye exam or test (92136).

Show 3 more questionsShow fewer questions

Where did Dr. Harbax Tina Kaur Singh go to medical school?

Dr. Singh graduated from Brody School of Medicine at East Carolina University in 1997.

What drugs does Dr. Harbax Tina Kaur Singh prescribe most?

In 2024 Medicare Part D data, Dr. Singh's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Restasis.

How long has Dr. Harbax Tina Kaur Singh been practicing?

Dr. Singh graduated from medical school in 1997, 29 years ago.

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