NPPES file of Aug 9, 2026

Philip Hemmers, D.O.

Allergy & Immunology Physician · Norwalk, CT

Philip Hemmers, D.O. is an allergy & immunology physician with a practice address in Norwalk, Connecticut, and NPI 1386700854, issued on Dec 29, 2006. Check the license (Connecticut 044867, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386700854
Name
Philip Hemmers
Credential
D.O.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
044867 CT
Self-reported in NPPES; status is on the state search
Practice location
761 Main Ave, Norwalk, CT 06851
Phone
(203) 870-8731
Enumerated
Dec 29, 2006
Record last updated
Sep 1, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(203) 803-2730
Medicare enrollment
Enrolled (PECOS I20080728000433); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 761 Main Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Charles Adelmann, M.D.Gastroenterology Physician1861436511
  2. Stella Arbitman, M.D., CCFPFamily Medicine Physician1467726141
  3. Thomas Ayoub, MDObstetrics & Gynecology Physician1700990652
  4. Kristen Baker, PA CMedical Physician Assistant1427061100
  5. Sharyu Bande, MDInternal Medicine Physician1619130705
  6. Cindy Barboza, APRNFamily Nurse Practitioner1528499951

Verify Philip Hemmers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 044867
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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5% more Medicare Part D claims than the average allergy & immunology physician in 2024

778 Medicare Part D claims for 184 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Philip Hemmers778
  2. Specialty average741

Most prescribed

  1. Azelastine Hcl117 claims
  2. Montelukast Sodium102 claims
  3. Fluticasone Propionate69 claims
  4. Levocetirizine Dihydrochloride50 claims
  5. Albuterol Sulfate Hfa41 claims
  6. Epinephrine36 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: $55.98

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Philip Hemmers$55.98
  2. Specialty average$8,321.81

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

  1. The Connecticut Dermatology Group PLLCNorwalk, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Philip Hemmers among 57 allergy & immunology physician records in Connecticut

Philip Hemmers, D.O. is one of 57 allergy & immunology physician records with a practice address in Connecticut. 79% 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 19% of them.

  • NPI issued2006 · 19% of these records are older, 42% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2001 · median 2002 among the 35 with a school on file
  • Record last updated2011 · 65% 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 Connecticut 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 Connecticut

There are 57 allergy & immunology physician records in Connecticut.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Kaoru Harada, M.D.Norwalk, CT 068511215383864
  2. Mark Litchman, MDNorwalk, CT 068511447341243
  3. Aymeric Louit, MDNorwalk, CT 068511881744456
  4. Agnieszka Matczuk, MDNorwalk, CT 068511467436733
  5. Joseph Sproviero, MD PHDNorwalk, CT 068511780775577
  6. Michael Lewin, MDNorwalk, CT 068501538100557
  7. Gary Soffer, MDGreenwich, CT 068301477991867
  8. Aimee Altschul-Latzman, M.D.Fairfield, CT 068241003855859

Common questions

What is Philip Hemmers, D.O.'s NPI number?

Philip Hemmers, D.O.'s National Provider Identifier (NPI) is 1386700854, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Philip Hemmers, D.O. located?

The NPPES record lists a practice address at 761 Main Ave, Norwalk, CT, 06851. Phone: (203) 870-8731. Providers update this record themselves, so call before visiting.

How can I verify Philip Hemmers, D.O.'s license?

NPPES lists Connecticut license number 044867, 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 Hemmers, D.O. prescribe under Medicare Part D?

In 2024, Philip Hemmers, D.O. had 778 Medicare Part D claims for 184 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.