Dr. Ratna K. Zampani, MD
- Medicare services, 2023
- 563
- Part D claims, 2024
- 101
- Industry payments
- $43
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 36475 5 Mile Rd, Livonia, MI 48154
- Practice phone
- Call (734) 655-4800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Mary Mercy Livonia
Livonia, Michigan
Find Dr. Zampani's professional email, personal email and mobile number
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Dr. Ratna K. Zampani is an internist in Livonia, Michigan
Dr. Zampani practices at St Mary Mercy Livonia in Livonia, Michigan.
Dr. Zampani's NPI, 1568454254, was assigned on August 18, 2005. Dr. Zampani holds Michigan license 4301040714.
- NPI
- 1568454254NPI Registry (opens in a new tab)
- NPI enumeration date
- August 18, 2005
- NPI status
- Active
- Practice phone
- (734) 655-4800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ratna K. Zampani practices at St Mary Mercy Livonia in Livonia, Michigan
Dr. Zampani's primary practice is St Mary Mercy Livonia, at 36475 5 Mile Rd, Livonia, MI 48154 in Wayne County. The practice phone is (734) 655-4800.
- St Mary Mercy Livonia36475 5 Mile Rd, Livonia, MI 48154 · Wayne CountyPhone(734) 655-4800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ratna K. Zampani is affiliated with 3 sites of care and 2 medical groups
Dr. Zampani's primary practice is St Mary Mercy Livonia in Livonia, Michigan. The medical group on file is St. Mary's Mercy Hospital. Dmand AI also links Dr. Zampani to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ratna K. Zampani's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zampani practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Mary Mercy Livonia | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ratna K. Zampani is one of 4,804 internists in Michigan
Internal medicine is Dr. Zampani's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zampani is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Zampani
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. Ratna K. Zampani billed Medicare for 563 services in 2023
CMS data shows 563 Medicare services from Dr. Zampani across 6 procedure codes in 2023. Medicare paid $15,343 for them. Every service was in an office.
Dr. Zampani's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1,3242023: 32076%
- Surgery
- 2022: 7592023: 18875%
- Other services
- 2022: 3562023: 3191%
- Lab and pathology
- 2022: 4152023: 1397%
- Tests and treatments
- 2022: 1332023: 1192%
- Imaging
- 2022: 732023: 0100%
Dr. Zampani compared with the Michigan median for internists, 2023
- Dr. Zampani
- Michigan median
- Medicare services
- 563vs 42333% above
- Part D claims
- 14vs 31496% below
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Zampani's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Zampani?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zampani and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ratna K. Zampani's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Zampani's median patient age at 77, with 75% women.
Dr. Zampani's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women75%
- Men24%
Source: Dmand AI Patient Panel Data
Dr. Ratna K. Zampani wrote 101 Medicare Part D claims in 2024
In 2024, Dr. Zampani wrote 101 Medicare Part D claims for 35 patients. 94% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $250 in total drug cost. In 2023, CMS named 3,709 claims across 60 drugs.
Dr. Zampani's Part D claims by kind of drug, 2024
- Generic95 claims94%
- Brand-name and other6 claims6%
Dr. Zampani'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: 3,7092024: 14100%
Drugs named by CMS: 1 in 2024, 60 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
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Dr. Ratna K. Zampani received $43 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. Zampani from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $27.
General payments to Dr. Zampani by program year, 2016 to 2023
Companies that paid Dr. Zampani the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ratna K. Zampani'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 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 Data |
| 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) |
| 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. Ratna K. Zampani
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What is Dr. Ratna K. Zampani's NPI number?
Dr. Ratna K. Zampani's NPI number is 1568454254. It was assigned on August 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Ratna K. Zampani?
Dr. Ratna K. Zampani is an internist in Livonia, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ratna K. Zampani practice?
Dr. Zampani practices at 36475 5 Mile Rd, Livonia, MI 48154. Dr. Zampani's primary practice is St Mary Mercy Livonia in Livonia, Michigan. Dmand AI also links Dr. Zampani to 2 group practices and clinics and 1 medical group.
What is Dr. Ratna K. Zampani's office phone number?
The practice phone on file for Dr. Zampani is (734) 655-4800.
What is Dr. Ratna K. Zampani's medical license number?
Dr. Zampani holds Michigan license 4301040714.
What medical group is Dr. Ratna K. Zampani part of?
Dr. Zampani is linked to St. Mary's Mercy Hospital. Dmand AI links Dr. Zampani to 1 more medical group.
Does Dr. Ratna K. Zampani accept Medicare?
Yes. CMS data shows Dr. Zampani billed Medicare for 563 services in 2023.
What services does Dr. Ratna K. Zampani bill to Medicare?
In 2023, Dr. Zampani's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and office visit, established patient (99214).
What drugs does Dr. Ratna K. Zampani prescribe most?
In 2024 Medicare Part D data, Dr. Zampani's most prescribed drugs by claims were Nitroglycerin.
Has Dr. Ratna K. Zampani received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Zampani from 2 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Ratna K. Zampani been practicing?
Dr. Zampani graduated from medical school in 1974, 52 years ago.
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