Ramarathinam Nagarajan, MD PHD
Allergy & Immunology Physician · Minneapolis, MN
Ramarathinam Nagarajan, MD PHD is an allergy & immunology physician with a practice address in Minneapolis, Minnesota, and NPI 1689636482, issued on Apr 5, 2006. Check the license (Minnesota 42705, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Ramarathinam Nagarajan
- Credential
- MD PHD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 42705 MN
Self-reported in NPPES; status is on the state search - Practice location
- 825 Nicollet Mall, Minneapolis, MN 55402
- Phone
- (612) 339-0807
- Enumerated
- Apr 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (612) 339-1854
- Medicare enrollment
- Enrolled (PECOS I20100505000028); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 85 in Minnesota → Look up another NPI →
Also registered at 825 Nicollet Mall
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wendy Bach, DDSGeneral Practice Dentistry1912979469
- Lara Bainer, D.D.S.General Practice Dentistry1336586015
- Gary Berman, M.D.Clinical & Laboratory Immunology (Allergy & Immunology) Physician1609836121
- Jennifer Biglow, M.D.Dermatology Physician1629021134
- Richard Bransford, M.D.Clinical & Laboratory Immunology (Allergy & Immunology) Physician1851351241
- Denise Brown, NPNurse Practitioner1851836464
Verify Ramarathinam Nagarajan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 42705Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average allergy & immunology physician in 2024
834 Medicare Part D claims for 174 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Trelegy Ellipta151 claims
- Zafirlukast128 claims
- Fluticasone Propionate125 claims
- Albuterol Sulfate Hfa58 claims
- Azelastine Hcl50 claims
- Breo Ellipta38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $171.56
9 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Minnesota Allergy And Asthma LLCEdina, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramarathinam Nagarajan among 85 allergy & immunology physician records in Minnesota
Ramarathinam Nagarajan, MD PHD is one of 85 allergy & immunology physician records with a practice address in Minnesota. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1976 · median 2004 among the 56 with a school on file
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Minnesota
There are 85 allergy & immunology physician records in Minnesota.
All 85 in Minnesota → Every provider in Minneapolis → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Joshua Dorn, MDMinneapolis, MN 554041346683687
- Gregory GilmetMinneapolis, MN 554131083036222
- Nancy Ott, MDMinneapolis, MN 554141295840783
- Alexandra Graden, M.D.St Louis Park, MN 554161619355625
- David Graft, MDSt Louis Park, MN 554161659357002
- Brenda Guyer, MDSt Louis Park, MN 554161871579078
- Pamela Harris, MDSt Louis Park, MN 554161861478828
- Alyssa Kerber, MDSt Louis Park, MN 554161154858579
Common questions
What is Ramarathinam Nagarajan, MD PHD's NPI number?
Ramarathinam Nagarajan, MD PHD's National Provider Identifier (NPI) is 1689636482, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramarathinam Nagarajan, MD PHD located?
The NPPES record lists a practice address at 825 Nicollet Mall, Minneapolis, MN, 55402. Phone: (612) 339-0807. Providers update this record themselves, so call before visiting.
How can I verify Ramarathinam Nagarajan, MD PHD's license?
NPPES lists Minnesota license number 42705, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ramarathinam Nagarajan, MD PHD prescribe under Medicare Part D?
In 2024, Ramarathinam Nagarajan, MD PHD had 834 Medicare Part D claims for 174 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.