Dr. Nadia Teresa Orr, MD
- Medicare services, 2024
- 609
- Medicare patients, 2024
- 223
- Part D claims, 2024
- 343
- Hospital affiliations
- 1
- Industry payments
- $181
- Practice address
- 34 Maple St, Norwalk, CT 06850
- Practice phone
- Call (203) 852-2016
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Norwalk Hospital
Norwalk, Connecticut
Find Dr. Orr's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nadia Teresa Orr is an internist in Norwalk, Connecticut
Dr. Orr practices at Norwalk Hospital in Norwalk, Connecticut.
Dr. Orr's NPI, 1346703733, was assigned on April 11, 2019. Dr. Orr holds Colorado license 0069134.
- NPI
- 1346703733NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517347727
- NPI enumeration date
- April 11, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 852-2016
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nadia Teresa Orr practices at Norwalk Hospital in Norwalk, Connecticut
Dr. Orr's primary practice is Norwalk Hospital, at 34 Maple St, Norwalk, CT 06850 in Western Ct County. The practice phone is (203) 852-2016.
- Norwalk Hospital34 Maple St, Norwalk, CT 06850 · Western Ct CountyPhone(203) 852-2016
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nadia Teresa Orr is affiliated with 5 sites of care and 2 medical groups
Dr. Orr's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dr. Orr is also affiliated with Norwalk Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Orr to 2 more group practices and clinics, 1 hospice and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nadia Teresa Orr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Orr practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Norwalk Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nadia Teresa Orr is one of 2,189 internists in Connecticut
Internal medicine is Dr. Orr's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Orr is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Orr
Counts of internists 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. Nadia Teresa Orr billed Medicare for 609 services in 2024
CMS data shows 609 Medicare services from Dr. Orr across 6 procedure codes in 2024, for 223 Medicare patients. Medicare paid $45,979 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Orr's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6282024: 6093%
Dr. Orr compared with the Connecticut median for internists, 2024
- Dr. Orr
- Connecticut median
- Medicare services
- 609vs 39056% above
- Medicare patients
- 223vs 17230% above
- Part D claims
- 95vs 34372% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Orr'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. Nadia Teresa Orr treated 223 Medicare patients in 2024, average age 75
CMS counts 223 Medicare patients who saw Dr. Orr in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.18, 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. Orr's median patient age at 76, with 51% women.
Dr. Orr's Medicare patients by age, 2024
Dr. Orr's Medicare patients by sex, 2024
- Women11049%
- Men11351%
Chronic conditions among Dr. Orr's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes51%
- Mood disorders46%
- COPD45%
- Chronic kidney disease43%
- Ischemic heart disease41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Orr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nadia Teresa Orr wrote 343 Medicare Part D claims in 2024
In 2024, Dr. Orr wrote 343 Medicare Part D claims for 152 patients. 87% of them were for generic drugs. CMS names the drug for 95 of them, across 6 drugs with 11 or more claims each, at $1,369 in total drug cost. In 2023, CMS named 110 claims across 7 drugs.
Dr. Orr's Part D claims by kind of drug, 2024
- Generic300 claims87%
- Brand-name and other43 claims13%
Dr. Orr'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. Orr's Part D claims, 2024
- Opioids7%23 of 343 claims
- Antibiotics23%78 of 343 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: 1102024: 9514%
Drugs named by CMS: 6 in 2024, 7 in 2023.
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. Nadia Teresa Orr takes part in Medicare
Dr. Orr 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. Nadia Teresa Orr received $181 in industry payments from 2022 to 2024
CMS Open Payments shows 4 general payments to Dr. Orr from 4 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $80.
General payments to Dr. Orr by program year, 2022 to 2024
Companies that paid Dr. Orr the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nadia Teresa Orr's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nadia Teresa Orr
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. Nadia Teresa Orr's NPI number?
Dr. Nadia Teresa Orr's NPI number is 1346703733. It was assigned on April 11, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Nadia Teresa Orr?
Dr. Nadia Teresa Orr is an internist in Norwalk, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nadia Teresa Orr practice?
Dr. Orr practices at 34 Maple St, Norwalk, CT 06850. Dr. Orr's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dmand AI also links Dr. Orr to 2 group practices and clinics, 1 hospice and 1 medical group.
What is Dr. Nadia Teresa Orr's office phone number?
The practice phone on file for Dr. Orr is (203) 852-2016.
What is Dr. Nadia Teresa Orr's medical license number?
Dr. Orr holds Colorado license 0069134.
Which hospitals is Dr. Nadia Teresa Orr affiliated with?
Dr. Orr is affiliated with Norwalk Hospital.
What medical group is Dr. Nadia Teresa Orr part of?
Dr. Orr is linked to Danbury Medical Group. Dmand AI links Dr. Orr to 1 more medical group.
Does Dr. Nadia Teresa Orr accept Medicare?
Yes. CMS data shows Dr. Orr billed Medicare for 609 services in 2024, and Dr. Orr accepts Medicare assignment.
How many Medicare patients does Dr. Nadia Teresa Orr see?
CMS counts 223 Medicare patients who saw Dr. Orr in 2024, with an average age of 75.
What services does Dr. Nadia Teresa Orr bill to Medicare?
In 2024, Dr. Orr's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
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What drugs does Dr. Nadia Teresa Orr prescribe most?
In 2024 Medicare Part D data, Dr. Orr's most prescribed drugs by claims were Cefpodoxime Proxetil, Prednisone and Amlodipine Besylate.
Has Dr. Nadia Teresa Orr received payments from drug or device companies?
CMS Open Payments shows $181 in general payments to Dr. Orr from 4 companies from 2022 to 2024. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Nadia Teresa Orr been practicing?
Dr. Orr graduated from medical school in 2019, 7 years ago.
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