Nathaniel Howard Greene, M.D.
Anesthesiology Physician · Portland, OR
Nathaniel Howard Greene, M.D. is an anesthesiology physician with a practice address in Portland, Oregon, and NPI 1477787018, issued on May 12, 2009. Check the license (Oregon MD190570, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Howard Greene
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- MD190570 OR
2014-00383 NC
MD60375336 WA
Self-reported in NPPES; status is on the state search - Practice location
- 707 SW Washington St Ste 700, Portland, OR 97205
- Phone
- (503) 299-9906
- Enumerated
- May 12, 2009
- Record last updated
- Aug 2, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (503) 225-9002
- Medicaid ID
- 500763144 OR
- Medicare enrollment
- Enrolled (PECOS I20190712002972); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 969 in Oregon → Look up another NPI →
Also registered at 707 SW Washington St Ste 700
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas AbbatielloAnesthesiology Physician1053848150
- Eric Abhold, M.D.Anesthesiology Physician1770963381
- Kareem Aggour, M.D.Anesthesiology Physician1417223835
- Deborah Agustin, CAAAnesthesiologist Assistant1649618166
- Sarah Al-Hakim, MDAnesthesiology Physician1336464254
- Evan Alldredge, MDAnesthesiology Physician1194276931
Verify Nathaniel Howard Greene in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD190570Check 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
- Hospitalist Medicine Physicians OF Washington - TcsPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Howard Greene among 969 anesthesiology physician records in Oregon
Nathaniel Howard Greene, M.D. is one of 969 anesthesiology physician records with a practice address in Oregon. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2009 · median 2009 among the 627 with a school on file
- Record last updated2019 · 64% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
578 anesthesiology physician records list a practice address in Portland
They are 578 of the 42,088 NPPES records with a practice address in Portland, and 969 anesthesiology physician records in Oregon.
All 969 in Oregon → Every provider in Portland → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Brent Andersen, MDPortland, OR 972051013981216
- Ying-Hao Au, DOPortland, OR 972051225002439
- Neil Jeffery Axel, MDPortland, OR 972051194799304
- Michael Berry, MDPortland, OR 972051578537577
- Elizabeth Billerbeck, MDPortland, OR 972051538133749
- Bruce Bolton, MDPortland, OR 972051053385260
- Thomas Box, MDPortland, OR 972051861466088
- Matthew Buckon, MDPortland, OR 972051013981232
Common questions
What is Nathaniel Howard Greene, M.D.'s NPI number?
Nathaniel Howard Greene, M.D.'s National Provider Identifier (NPI) is 1477787018, issued on May 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Howard Greene, M.D. located?
The NPPES record lists a practice address at 707 SW Washington St Ste 700, Portland, OR, 97205. Phone: (503) 299-9906. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Howard Greene, M.D.'s license?
NPPES lists Oregon license number MD190570, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. 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.