Nathan Henderson Parker, MD
Emergency Medicine Physician · Mount Shasta, CA
Nathan Henderson Parker, MD is an emergency medicine physician with a practice address in Mount Shasta, California, and NPI 1881987436, issued on May 16, 2011. Check the license (California A122594, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan Henderson Parker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A122594 CA
Self-reported in NPPES; status is on the state search - Practice location
- 914 Pine St, Mount Shasta, CA 96067
- Phone
- (530) 926-9360
- Enumerated
- May 16, 2011
- Record last updated
- Sep 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 914 Pine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Brucker, C.R.N.A.Certified Registered Nurse Anesthetist1073582854
- Rebecca Dyson, M.D.Diagnostic Radiology Physician1922003961
- Jennifer Fisher, RNStudent in an Organized Health Care Education/Training Program1871431759
- Peter Halt, M.D.Diagnostic Radiology Physician1396740338
- Frank Laiacona, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1316389976
- Sean Malee, M.D.Internal Medicine Physician1447343447
Verify Nathan Henderson Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average emergency medicine physician in 2024
265 Medicare Part D claims for 182 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 36 claims were for opioids.
Most prescribed
- Cephalexin38 claims
- Hydrocodone-Acetaminophen29 claims
- Ondansetron Odt17 claims
- Cefuroxime13 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.
Nathan Henderson Parker among 7,751 emergency medicine physician records in California
Nathan Henderson Parker, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2014 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 emergency medicine physician records list a practice address in Mount Shasta
They are 3 of the 200 NPPES records with a practice address in Mount Shasta, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Mount Shasta → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Gabriel Ochoa, M.D.Mount Shasta, CA 960671952755167
- Christopher Rackoff, MDMt Shasta, CA 960671255765657
- Grover Shipman, MDMount Shasta, CA 960671104929017
- Fredric De Picciotto, MDMillville, CA 960621114938842
- Eric Rudnick, M.D.Red Bluff, CA 960801821462938
- Teri Boster, M.D.Redding, CA 960491720143530
- Henry Edelstein, M.D.Weaverville, CA 960931962599886
- Julie Helms-Schue, M.D.Weaverville, CA 960931548588973
Common questions
What is Nathan Henderson Parker, MD's NPI number?
Nathan Henderson Parker, MD's National Provider Identifier (NPI) is 1881987436, issued on May 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Henderson Parker, MD located?
The NPPES record lists a practice address at 914 Pine St, Mount Shasta, CA, 96067. Phone: (530) 926-9360. Providers update this record themselves, so call before visiting.
How can I verify Nathan Henderson Parker, MD's license?
NPPES lists California license number A122594, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan Henderson Parker, MD prescribe under Medicare Part D?
In 2024, Nathan Henderson Parker, MD had 265 Medicare Part D claims for 182 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.