Nathaniel D. Hare, M.D.
Allergy & Immunology Physician · Williamsport, PA
Nathaniel D. Hare, M.D. is an allergy & immunology physician with a practice address in Williamsport, Pennsylvania, and NPI 1598974560, issued on May 22, 2007. Check the license (Pennsylvania MD448662, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Nathaniel D. Hare
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD448662 PA
Self-reported in NPPES; status is on the state search - Practice location
- 451 River Ave, Williamsport, PA 17701
- Phone
- (570) 320-7070
- Enumerated
- May 22, 2007
- Record last updated
- Jun 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (570) 320-7071
- Medicare enrollment
- Enrolled (PECOS I20130621000188); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 183 in Pennsylvania → Look up another NPI →
Verify Nathaniel D. Hare in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD448662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average allergy & immunology physician in 2024
933 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 34% of claims.
Most prescribed
- Ipratropium Bromide159 claims
- Azelastine Hcl80 claims
- Montelukast Sodium76 claims
- Hizentra71 claims
- Prednisone63 claims
- Albuterol Sulfate Hfa50 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Susquehanna Physician ServicesWilliamsport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel D. Hare among 183 allergy & immunology physician records in Pennsylvania
Nathaniel D. Hare, M.D. is one of 183 allergy & immunology physician records with a practice address in Pennsylvania. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2001 · median 2000 among the 109 with a school on file
- Record last updated2020 · 61% 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 Pennsylvania 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 Pennsylvania
There are 183 allergy & immunology physician records in Pennsylvania.
All 183 in Pennsylvania → Every provider in Williamsport → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Amanda Bittner, MDLancaster, PA 176011093703134
- Laura Fisher, MDLancaster, PA 176011376619387
- Stephen Lockey, MDLancaster, PA 176011649269416
- Mark Titi, MDLancaster, PA 176011649268525
- Michael Facktor, M.D.Danville, PA 178221467436592
- Patricia Hutchinson, MDDanville, PA 178221891776548
- Jaison Jose, D.O.Danville, PA 178221871752600
- Paul Sutton, M.D.Lewisburg, PA 178371689681264
Common questions
What is Nathaniel D. Hare, M.D.'s NPI number?
Nathaniel D. Hare, M.D.'s National Provider Identifier (NPI) is 1598974560, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel D. Hare, M.D. located?
The NPPES record lists a practice address at 451 River Ave, Williamsport, PA, 17701. Phone: (570) 320-7070. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel D. Hare, M.D.'s license?
NPPES lists Pennsylvania license number MD448662, 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 Nathaniel D. Hare, M.D. prescribe under Medicare Part D?
In 2024, Nathaniel D. Hare, M.D. had 933 Medicare Part D claims for 184 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Nathaniel D. Hare, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.5 of 100, reported for the practice group. 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.