Clarissa Hayes, DO
Endocrinology, Diabetes & Metabolism Physician · Allentown, PA
Clarissa Hayes, DO is an endocrinology, diabetes & metabolism physician with a practice address in Allentown, Pennsylvania, and NPI 1306410568, issued on May 13, 2021. Check the license (Pennsylvania OT020790, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Clarissa Hayes
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- OT020790 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1243 S Cedar Crest Blvd Ste 2800, Allentown, PA 18103
- Phone
- (833) 363-6274
- Enumerated
- May 13, 2021
- Record last updated
- Jun 13, 2024
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 485 in Pennsylvania → Look up another NPI →
Also registered at 1243 S Cedar Crest Blvd Ste 2800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammad Uzair Abdul Rauf, MDStudent in an Organized Health Care Education/Training Program1194242537
- Phyllis Amrick, CRNPAdult Health Nurse Practitioner1467621458
- Anne BorjaEndocrinology, Diabetes & Metabolism Physician1891144424
- Lindor Gelin, DOEndocrinology, Diabetes & Metabolism Physician1255953584
- Deborah HerrFamily Nurse Practitioner1477387454
- Cathleen Keegan-Pursell, CRNPAcute Care Nurse Practitioner1336875939
Verify Clarissa Hayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OT020790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
362 Medicare Part D claims for 116 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Rosuvastatin Calcium20 claims
- Albuterol Sulfate Hfa18 claims
- Atorvastatin Calcium16 claims
- Gabapentin16 claims
- Losartan Potassium15 claims
- Metformin Hcl15 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.
Clarissa Hayes among 485 endocrinology, diabetes & metabolism physician records in Pennsylvania
Clarissa Hayes, DO is one of 485 endocrinology, diabetes & metabolism physician records with a practice address in Pennsylvania. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 96% of them.
- NPI issued2021 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Pennsylvania
There are 485 endocrinology, diabetes & metabolism physician records in Pennsylvania.
All 485 in Pennsylvania → Every provider in Allentown → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Aakif Ahmad, DOAllentown, PA 181031720308331
- Andrew Brackbill, M.D.Allentown, PA 181031447455209
- Robert Doll, M.D.Allentown, PA 181031043203375
- Mal Homan, MDAllentown, PA 181031215905898
- Sharmila Koshy, MDAllentown, PA 181031609037696
- Ya-Yu Lee, MDAllentown, PA 181031235271545
- Angela Magdaleno, D.O.Allentown, PA 181031720475189
- Robert McCauley, M.D.Allentown, PA 181031992920466
Common questions
What is Clarissa Hayes, DO's NPI number?
Clarissa Hayes, DO's National Provider Identifier (NPI) is 1306410568, issued on May 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Clarissa Hayes, DO located?
The NPPES record lists a practice address at 1243 S Cedar Crest Blvd Ste 2800, Allentown, PA, 18103. Phone: (833) 363-6274. Providers update this record themselves, so call before visiting.
How can I verify Clarissa Hayes, DO's license?
NPPES lists Pennsylvania license number OT020790, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clarissa Hayes, DO prescribe under Medicare Part D?
In 2024, Clarissa Hayes, DO had 362 Medicare Part D claims for 116 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.