Nathaniel Greenwood, D.O.
Emergency Medicine Physician · Cedar Park, TX
Nathaniel Greenwood, D.O. is an emergency medicine physician with a practice address in Cedar Park, Texas, and NPI 1770798563, issued on May 14, 2007. Check the license (Texas P2863, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Greenwood
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- P2863 TX
2008 NE
OT011248 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3620 E Whitestone Blvd, Cedar Park, TX 78613
- Phone
- (512) 260-2732
- Enumerated
- May 14, 2007
- Record last updated
- Mar 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20120620000141); may accept Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 3620 E Whitestone Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc DanielClinical Laboratory Director (Non-physician)1457243438
- Monique Graves, RNNurse Practitioner1295224244
- Rytan KingRegistered Nurse1851225460
- Harrison Lobdell, MDEmergency Medicine Physician1154775740
- Bonnie Thomson, FNPFamily Nurse Practitioner1013754571
Verify Nathaniel Greenwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P2863Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average emergency medicine physician in 2024
28 Medicare Part D claims for 21 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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 3 group practices
- Bandera Emergency Physicians PLLCSan Antonio, TX
- Brushy Creek Emergency PhysiciansRound Rock, TX
- Lake Travis Emergency Physicians PLLCAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Greenwood among 4,885 emergency medicine physician records in Texas
Nathaniel Greenwood, D.O. is one of 4,885 emergency medicine physician records with a practice address in Texas. 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 59% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2013 among the 2,779 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Cedar Park → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ramya Baumgardner, MDCedar Park, TX 786131962030775
- Brandon Browne, M.D.Cedar Park, TX 786131922284777
- Robert Emmick, MDCedar Park, TX 786131720045263
- Adam HaushalterCedar Park, TX 786131821483827
- Nathaniel Lafleur, M.D.Cedar Park, TX 786131871933788
- Frederick Levy, M.D.Cedar Park, TX 786131417991480
- Harrison Lobdell, MDCedar Park, TX 786131154775740
- Joseph Robson, M.D.Cedar Park, TX 786131962442640
Common questions
What is Nathaniel Greenwood, D.O.'s NPI number?
Nathaniel Greenwood, D.O.'s National Provider Identifier (NPI) is 1770798563, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Greenwood, D.O. located?
The NPPES record lists a practice address at 3620 E Whitestone Blvd, Cedar Park, TX, 78613. Phone: (512) 260-2732. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Greenwood, D.O.'s license?
NPPES lists Texas license number P2863, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathaniel Greenwood, D.O. prescribe under Medicare Part D?
In 2024, Nathaniel Greenwood, D.O. had 28 Medicare Part D claims for 21 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.