Hang Pak, D.O.
Anesthesiology Physician · Livingston, NJ
Hang Pak, D.O. is an anesthesiology physician with a practice address in Livingston, New Jersey, and NPI 1972638229, issued on Feb 23, 2007. Check the license (New Jersey MB05559400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Hang Pak
- Credential
- D.O.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- MB05559400 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 200 S Orange Ave, Livingston, NJ 07039
- Phone
- (973) 322-7246
- Enumerated
- Feb 23, 2007
- Record last updated
- Jan 3, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (973) 322-7791
- Medicaid ID
- 5297702 NJ
- Medicare enrollment
- Enrolled (PECOS I20050817001016); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 1988
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,714 in New Jersey → Look up another NPI →
Also registered at 200 S Orange Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christina Alfonso, RDRegistered Dietitian1811937170
- Stephanie Allocca, WHNPWomen's Health Nurse Practitioner1700284981
- Valeriu Andrei, MDSurgery Physician1932255247
- Carole Andreou, OTOccupational Therapist1346289063
Verify Hang Pak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MB05559400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average anesthesiology physician in 2024
877 Medicare Part D claims for 86 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 283 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen188 claims
- Gabapentin122 claims
- Naloxone Hcl66 claims
- Meloxicam61 claims
- Baclofen57 claims
- Tizanidine Hcl56 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.
Bills Medicare through 2 group practices
- Barnabas Health Medical Group PCNewark, NJ
- Rwjbh Observation Associates LLCLivingston, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hang Pak among 1,714 anesthesiology physician records in New Jersey
Hang Pak, D.O. is one of 1,714 anesthesiology physician records with a practice address in New Jersey. 76% 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 56% of them.
- NPI issued2007 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1988 · median 2002 among the 1,178 with a school on file
- Record last updated2017 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 anesthesiology physician records list a practice address in Livingston
They are 48 of the 1,714 NPPES records with a practice address in Livingston, and 1,714 anesthesiology physician records in New Jersey.
All 1,714 in New Jersey → Every provider in Livingston → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Miro Bergam, M.D.Livingston, NJ 070391104901420
- Jonathan Blank, M.D.Livingston, NJ 070391366511412
- Joel Braverman, M.D.Livingston, NJ 070391659488070
- Ronald Cardoso, M.D.Livingston, NJ 070391891856456
- Dae Syk Chung, M.D.Livingston, NJ 070391376618892
- Robert Ciolino, M.D.Livingston, NJ 070391962577494
- Gerry Fox, M.D.Livingston, NJ 070391043374523
- David Holland, MDLivingston, NJ 070391790782522
Common questions
What is Hang Pak, D.O.'s NPI number?
Hang Pak, D.O.'s National Provider Identifier (NPI) is 1972638229, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hang Pak, D.O. located?
The NPPES record lists a practice address at 200 S Orange Ave, Livingston, NJ, 07039. Phone: (973) 322-7246. Providers update this record themselves, so call before visiting.
How can I verify Hang Pak, D.O.'s license?
NPPES lists New Jersey license number MB05559400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hang Pak, D.O. prescribe under Medicare Part D?
In 2024, Hang Pak, D.O. had 877 Medicare Part D claims for 86 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.