Erik Nielsen
Pulmonary Disease Physician · Stamford, CT
Erik Nielsen is a pulmonary disease physician with a practice address in Stamford, Connecticut, and NPI 1669904942, issued on Mar 28, 2017. Check the license (Connecticut 75135, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Erik Nielsen
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 75135 CT
Self-reported in NPPES; status is on the state search - Practice location
- 29 Hospital Plz Ste 505, Stamford, CT 06902
- Phone
- (203) 348-2437
- Enumerated
- Mar 28, 2017
- Record last updated
- Jul 18, 2023
- Fax
- (203) 276-7243
- Medicare enrollment
- Enrolled (PECOS I20230804002819); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 280 in Connecticut → Look up another NPI →
Also registered at 29 Hospital Plz Ste 505
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Bernstein, M.D.Pulmonary Disease Physician1538376793
- Ivanna Bodnar, NPNurse Practitioner1669259420
- Frantz Hastrup, M.D.Pulmonary Disease Physician1912975459
- Anna Moniodis, MDPulmonary Disease Physician1295051449
- Desh Nandedkar, M.D.Pulmonary Disease Physician1326209941
- Steven Saunders, MDPulmonary Disease Physician1033678073
Verify Erik Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 75135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
753 Medicare Part D claims for 186 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Trelegy Ellipta134 claims
- Albuterol Sulfate Hfa107 claims
- Breo Ellipta98 claims
- Anoro Ellipta49 claims
- Prednisone48 claims
- Budesonide-Formoterol Fumarate38 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: $53.77
2 payments; by number, the most common kind was food and beverage; the largest payer was Ceribell, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 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
- Stamford Health Medical Group IncStamford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erik Nielsen among 280 pulmonary disease physician records in Connecticut
Erik Nielsen is one of 280 pulmonary disease physician records with a practice address in Connecticut. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 93% of them.
- NPI issued2017 · 93% of these records are older, 6% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2017 · median 2003 among the 210 with a school on file
- Record last updated2023 · 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 207RP1001X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Connecticut
There are 280 pulmonary disease physician records in Connecticut.
All 280 in Connecticut → Every provider in Stamford → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Michael Bernstein, M.D.Stamford, CT 069021538376793
- Caroline Gulati, M.D.Stamford, CT 069021427210053
- Frantz Hastrup, M.D.Stamford, CT 069021912975459
- John Kazianis, M.D.Stamford, CT 069021730348418
- Lester Krasnogor, M.D.Stamford, CT 069021134157787
- James Krinsley, M.D.Stamford, CT 069021386672038
- Anna Moniodis, MDStamford, CT 069021295051449
- Desh Nandedkar, M.D.Stamford, CT 069021326209941
Common questions
What is Erik Nielsen's NPI number?
Erik Nielsen's National Provider Identifier (NPI) is 1669904942, issued on Mar 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Erik Nielsen located?
The NPPES record lists a practice address at 29 Hospital Plz Ste 505, Stamford, CT, 06902. Phone: (203) 348-2437. Providers update this record themselves, so call before visiting.
How can I verify Erik Nielsen's license?
NPPES lists Connecticut license number 75135, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erik Nielsen prescribe under Medicare Part D?
In 2024, Erik Nielsen had 753 Medicare Part D claims for 186 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.