Catherine M. Oberholzer, MD
Anesthesiology Physician · Honolulu, HI
Catherine M. Oberholzer, MD is an anesthesiology physician with a practice address in Honolulu, Hawaii, and NPI 1326052549, issued on Jul 27, 2006. Check the license (Hawaii MD-15981, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Catherine M. Oberholzer
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- MD-15981 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Punchbowl St, Honolulu, HI 96813
- Phone
- (808) 971-1085
- Enumerated
- Jul 27, 2006
- Record last updated
- Jan 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130206000170); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2003
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 231 in Hawaii → Look up another NPI →
Also registered at 1301 Punchbowl St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine M. Oberholzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-15981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Koolau Anesthesia Group LLCKailua, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine M. Oberholzer among 231 anesthesiology physician records in Hawaii
Catherine M. Oberholzer, MD is one of 231 anesthesiology physician records with a practice address in Hawaii. 67% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2003 · median 2004 among the 142 with a school on file
- Record last updated2012 · 59% 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 Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
151 anesthesiology physician records list a practice address in Honolulu
They are 151 of the 12,408 NPPES records with a practice address in Honolulu, and 231 anesthesiology physician records in Hawaii.
All 231 in Hawaii → Every provider in Honolulu → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Wei Chao, MDHonolulu, HI 968131881767721
- Donald Gaucher, MDHonolulu, HI 968131407871973
- Yong Goh, MDHonolulu, HI 968131972663060
- Bradley Hall, M.D.Honolulu, HI 968131174617195
- Millicent Khaw, M.D.Honolulu, HI 968131235201278
- Gilbert KorenagaHonolulu, HI 968131700985850
- Curtis Lavatai, M.D.Honolulu, HI 968131689742199
- Duncan Macdonald, M.D.Honolulu, HI 968131871658591
Common questions
What is Catherine M. Oberholzer, MD's NPI number?
Catherine M. Oberholzer, MD's National Provider Identifier (NPI) is 1326052549, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine M. Oberholzer, MD located?
The NPPES record lists a practice address at 1301 Punchbowl St, Honolulu, HI, 96813. Phone: (808) 971-1085. Providers update this record themselves, so call before visiting.
How can I verify Catherine M. Oberholzer, MD's license?
NPPES lists Hawaii license number MD-15981, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.