Dr. Usman C. Ramzan, MD
- Medicare services, 2024
- 642
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 2,619
- Hospital affiliations
- 1
- Industry payments
- $3,468
- Practice address
- 1952 Whitney Ave., Hamden, CT 06517
- Practice phone
- Call (203) 848-1803
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Radiology of Greater New Haven
Imaging Center - Main Location · Hamden, Connecticut
Find Dr. Ramzan'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. Usman C. Ramzan is an internist in Hamden, Connecticut
Dr. Ramzan practices at Radiology of Greater New Haven in Hamden, Connecticut.
Dr. Ramzan's NPI, 1356387823, was assigned on June 21, 2006. Dr. Ramzan graduated from Boston University School of Medicine in 2001. Dr. Ramzan holds Connecticut license 044658.
- NPI
- 1356387823NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810955663
- NPI enumeration date
- June 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 848-1803
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Usman C. Ramzan practices at Radiology of Greater New Haven in Hamden, Connecticut
Dr. Ramzan's primary practice is Radiology of Greater New Haven, at 1952 Whitney Ave., Hamden, CT 06517. The practice phone is (203) 848-1803.
- Radiology of Greater New Haven1952 Whitney Ave., Hamden, CT 06517Phone(203) 848-1803
Source: Dmand AI Affiliation Data
Dr. Usman C. Ramzan is affiliated with 6 sites of care and 3 medical groups
Dr. Ramzan's primary practice is Radiology of Greater New Haven in Hamden, Connecticut. Dr. Ramzan is also affiliated with Yale New Haven Hospital. The medical group on file is Internal Medicine of Greater New Haven. Dmand AI also links Dr. Ramzan to 2 more group practices and clinics, 2 medical groups, 1 physician office and 1 therapy and rehab clinic, each named with a free account. Dr. Ramzan's employer is on file too: an imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Usman C. Ramzan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ramzan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Radiology of Greater New Haven | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Usman C. Ramzan is one of 2,189 internists in Connecticut
Internal medicine is Dr. Ramzan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Ramzan's licenses on file in 2 states: Connecticut and Rhode Island.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
- Rhode Island license
Internists near Dr. Ramzan
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. Usman C. Ramzan billed Medicare for 642 services in 2024
CMS data shows 642 Medicare services from Dr. Ramzan across 11 procedure codes in 2024, for 83 Medicare patients. Medicare paid $37,145 for them. Every service was in an office.
Dr. Ramzan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4682024: 30535%
- Other services
- 2023: 1022024: 281175%
- Tests and treatments
- 2023: 762024: 5626%
Dr. Ramzan compared with the Connecticut median for internists, 2024
- Dr. Ramzan
- Connecticut median
- Medicare services
- 642vs 39065% above
- Medicare patients
- 83vs 17252% below
- Part D claims
- 2,039vs 3435.9 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Ramzan'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ramzan and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Usman C. Ramzan treated 83 Medicare patients in 2024, average age 71
CMS counts 83 Medicare patients who saw Dr. Ramzan in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ramzan's median patient age at 58, with 35% women.
Dr. Ramzan's Medicare patients by age, 2024
Dr. Ramzan's Medicare patients by sex, 2024
- Women3441%
- Men4959%
Chronic conditions among Dr. Ramzan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Anxiety39%
- Mood disorders35%
- Depression29%
- Ischemic heart disease28%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ramzan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women35%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Usman C. Ramzan wrote 2,619 Medicare Part D claims in 2024
In 2024, Dr. Ramzan wrote 2,619 Medicare Part D claims for 208 patients. 91% of them were for generic drugs. CMS names the drug for 2,039 of them, across 57 drugs with 11 or more claims each, at $115,770 in total drug cost. In 2023, CMS named 1,725 claims across 52 drugs.
Dr. Ramzan's Part D claims by kind of drug, 2024
- Generic2,377 claims91%
- Brand-name and other242 claims9%
Dr. Ramzan'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. Ramzan's Part D claims, 2024
- Opioids1%30 of 2,619 claims
- Antibiotics3%66 of 2,619 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: 1,7252024: 2,03918%
Drugs named by CMS: 57 in 2024, 52 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
Dr. Usman C. Ramzan offers telehealth to Medicare patients
Dr. Ramzan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ramzan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Usman C. Ramzan received $3,468 in industry payments from 2016 to 2025
CMS Open Payments shows 187 general payments to Dr. Ramzan from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. AstraZeneca Pharmaceuticals LP paid the most, $340.
General payments to Dr. Ramzan by program year, 2016 to 2025
General payments to Dr. Ramzan by kind, 2016 to 2025
- Food and beverage$3,21093%
- Travel and lodging$2457%
- Education$130%
Companies that paid Dr. Ramzan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Usman C. Ramzan graduated from Boston University School of Medicine
Dr. Ramzan graduated from Boston University School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Usman C. Ramzan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Usman C. Ramzan
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. Usman C. Ramzan's NPI number?
Dr. Usman C. Ramzan's NPI number is 1356387823. It was assigned on June 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Usman C. Ramzan?
Dr. Usman C. Ramzan is an internist in Hamden, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Usman C. Ramzan practice?
Dr. Ramzan practices at 1952 Whitney Ave., Hamden, CT 06517. Dr. Ramzan's primary practice is Radiology of Greater New Haven in Hamden, Connecticut. Dmand AI also links Dr. Ramzan to 2 group practices and clinics, 2 medical groups, 1 physician office and 1 therapy and rehab clinic.
What is Dr. Usman C. Ramzan's office phone number?
The practice phone on file for Dr. Ramzan is (203) 848-1803.
What is Dr. Usman C. Ramzan's medical license number?
Dr. Ramzan holds Connecticut license 044658, one of the licenses on file in 2 states.
Which states has Dr. Usman C. Ramzan been licensed in?
Dmand AI has state licenses on file for Dr. Ramzan in Connecticut and Rhode Island.
Which hospitals is Dr. Usman C. Ramzan affiliated with?
Dr. Ramzan is affiliated with Yale New Haven Hospital.
What medical group is Dr. Usman C. Ramzan part of?
Dr. Ramzan is linked to Internal Medicine of Greater New Haven. Dmand AI links Dr. Ramzan to 2 more medical groups.
Does Dr. Usman C. Ramzan accept Medicare?
Yes. CMS data shows Dr. Ramzan billed Medicare for 642 services in 2024, and Dr. Ramzan accepts Medicare assignment.
Does Dr. Usman C. Ramzan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ramzan as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Usman C. Ramzan see?
CMS counts 83 Medicare patients who saw Dr. Ramzan in 2024, with an average age of 71.
What services does Dr. Usman C. Ramzan bill to Medicare?
In 2024, Dr. Ramzan's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and heart test or procedure (93000).
Where did Dr. Usman C. Ramzan go to medical school?
Dr. Ramzan graduated from Boston University School of Medicine in 2001.
What drugs does Dr. Usman C. Ramzan prescribe most?
In 2024 Medicare Part D data, Dr. Ramzan's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Usman C. Ramzan received payments from drug or device companies?
CMS Open Payments shows $3,468 in general payments to Dr. Ramzan from 43 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Usman C. Ramzan been practicing?
Dr. Ramzan graduated from medical school in 2001, 25 years ago.
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