NPPES file of Aug 9, 2026

Hae-Young Hawong, D.O. PHD

Neurology Physician · New Haven, CT

Hae-Young Hawong, D.O. PHD is a neurology physician with a practice address in New Haven, Connecticut, and NPI 1134654288, issued on Apr 26, 2017. Check the license (Connecticut 75524, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134654288
Name
Hae-Young Hawong
Credential
D.O. PHD
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
75524 CT
DO203500 OR
Self-reported in NPPES; status is on the state search
Practice location
800 Howard Ave Lowr Level, New Haven, CT 06519
Phone
(877) 925-3637
Enumerated
Apr 26, 2017
Record last updated
Sep 21, 2023
Fax
(877) 925-3329
Medicare enrollment
Enrolled (PECOS I20231012000112); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2016
Telehealth
Offers telehealth (CMS)
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 800 Howard Ave Lowr Level

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

  1. Aditya BodduNeurology Physician1346691409
  2. Victor Bushlyar, MDNeuromuscular Medicine (Psychiatry & Neurology) Physician1700441334
  3. Ylec Cardenas Castillo, M.D.Neuromuscular Medicine (Psychiatry & Neurology) Physician1770967549
  4. Carmen Carrion, PSYDClinical Neuropsychologist1467945675
  5. Eyiyemisi DamisahNeurological Surgery Physician1497045264
  6. Jeffrey Dewey, M.D.Neurology Physician1619315991

Verify Hae-Young Hawong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 75524
    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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52% fewer Medicare Part D claims than the average neurology physician in 2024

663 Medicare Part D claims for 188 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Hae-Young Hawong663
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa293 claims
  2. Carbidopa-Levodopa Er74 claims
  3. Gabapentin47 claims
  4. Propranolol Hcl42 claims
  5. Donepezil Hcl31 claims
  6. Primidone25 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): 73.6 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.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $147.22

4 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hae-Young Hawong$147.22
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Rehabilitation Associates IncFairfield, CT
  2. Yale UniversityNorth Haven, CT

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

Hae-Young Hawong among 345 neurology physician records in Connecticut

Hae-Young Hawong, D.O. PHD is one of 345 neurology physician records with a practice address in Connecticut. 83% 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 75% of them.

  • NPI issued2017 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2016 · median 2009 among the 216 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

121 neurology physician records list a practice address in New Haven

They are 121 of the 9,793 NPPES records with a practice address in New Haven, and 345 neurology physician records in Connecticut.

The 8 neurology physician records with the nearest ZIP codes

  1. Joachim Baehring, MDNew Haven, CT 065191982686622
  2. Adam Cohen, M.D.New Haven, CT 065191639126196
  3. Robert Duckrow, MDNew Haven, CT 065191366424004
  4. Paul Greene, M.D.New Haven, CT 065191477620540
  5. Benison Keung, MDNew Haven, CT 065191144481342
  6. Richard Nowak, M.D.New Haven, CT 065191730346818
  7. Amar Patel, M.D.New Haven, CT 065191164665238
  8. Imran Quraishi, M.D., PH.D.New Haven, CT 065191508094533

Common questions

What is Hae-Young Hawong, D.O. PHD's NPI number?

Hae-Young Hawong, D.O. PHD's National Provider Identifier (NPI) is 1134654288, issued on Apr 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Hae-Young Hawong, D.O. PHD located?

The NPPES record lists a practice address at 800 Howard Ave Lowr Level, New Haven, CT, 06519. Phone: (877) 925-3637. Providers update this record themselves, so call before visiting.

How can I verify Hae-Young Hawong, D.O. PHD's license?

NPPES lists Connecticut license number 75524, 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 Hae-Young Hawong, D.O. PHD prescribe under Medicare Part D?

In 2024, Hae-Young Hawong, D.O. PHD had 663 Medicare Part D claims for 188 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Hae-Young Hawong, D.O. PHD's MIPS final score?

The 2023 MIPS final score is 73.6 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.