Philip E. Greenspan, MD
Pulmonary Disease Physician · Fairfield, CT
Philip E. Greenspan, MD is a pulmonary disease physician with a practice address in Fairfield, Connecticut, and NPI 1568543288, issued on Oct 18, 2006. Check the license (Connecticut 043568, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Philip E. Greenspan
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 043568 CT
Self-reported in NPPES; status is on the state search - Practice location
- 501 Kings Hwy E, Fairfield, CT 06825
- Phone
- (203) 610-6300
- Enumerated
- Oct 18, 2006
- Record last updated
- May 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 610-6347
- Medicaid ID
- 001435686 CT
- Medicare enrollment
- Enrolled (PECOS I20061130000395); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1998
- 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 501 Kings Hwy E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Atterbury, DDSDental Anesthesiology1518542398
- Cathleen Azarigian, APRNFamily Nurse Practitioner1265757926
- David Barton, DDSDental Anesthesiology1891357281
- Seth Blattman, M.D.Vascular Surgery Physician1477508778
- Catherine Burdge, APRNAcute Care Nurse Practitioner1548421019
- David Bushell, MDPulmonary Disease Physician1144301839
Verify Philip E. Greenspan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 043568Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,544 Medicare Part D claims for 395 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 74% of claims.
Most prescribed
- Trelegy Ellipta491 claims
- Albuterol Sulfate Hfa485 claims
- Breo Ellipta251 claims
- Incruse Ellipta247 claims
- Prednisone175 claims
- Spiriva Respimat127 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.
The MIPS final score for 2023 (Medicare payment program): 93.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northeast Medical Group IncBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip E. Greenspan among 280 pulmonary disease physician records in Connecticut
Philip E. Greenspan, MD 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 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 51% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1998 · median 2003 among the 210 with a school on file
- Record last updated2013 · 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 Fairfield → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- David Bushell, MDFairfield, CT 068251144301839
- Eric Gentry, MDFairfield, CT 068251134200827
- Stasia Wieber, MDFairfield, CT 068251366461477
- Igal Staw, M.D.Fairfield, CT 068241013901602
- A Marino, M.D.Greenwich, CT 068301902810583
- Augustine Andoh-Duku, M.DDanbury, CT 068101992010565
- Guillermo Ballarino, M.D.Danbury, CT 068101386810802
- Thomas Botta, M.D.Danbury, CT 068101417177072
Common questions
What is Philip E. Greenspan, MD's NPI number?
Philip E. Greenspan, MD's National Provider Identifier (NPI) is 1568543288, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Philip E. Greenspan, MD located?
The NPPES record lists a practice address at 501 Kings Hwy E, Fairfield, CT, 06825. Phone: (203) 610-6300. Providers update this record themselves, so call before visiting.
How can I verify Philip E. Greenspan, MD's license?
NPPES lists Connecticut license number 043568, 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 Philip E. Greenspan, MD prescribe under Medicare Part D?
In 2024, Philip E. Greenspan, MD had 2,544 Medicare Part D claims for 395 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Philip E. Greenspan, MD's MIPS final score?
The 2023 MIPS final score is 93.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.