Nathaniel Spencer Harriman, M.S.S., PA-C
Medical Physician Assistant · San Luis, AZ
Nathaniel Spencer Harriman, M.S.S., PA-C is a medical physician assistant with a practice address in San Luis, Arizona, and NPI 1053862300, issued on Oct 21, 2016. Check the license (Arizona 6552, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Spencer Harriman
- Credential
- M.S.S., PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 6552 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1896 E Babbitt LN, San Luis, AZ 85349
- Phone
- (928) 722-6112
- Enumerated
- Oct 21, 2016
- Record last updated
- Dec 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (928) 722-6113
- Medicaid ID
- 190373 AZ
- Medicare enrollment
- Enrolled (PECOS I20161122002279); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1896 E Babbitt LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Covington, FNPFamily Nurse Practitioner1851413231
- Adrian Gutierrez, FNP-BCNurse Practitioner1215396650
- Adlene Joseph, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1063958676
- Victoria Lasala, M.D.Pediatrics Physician1528500576
- Edgar Mayorquin, NPNurse Practitioner1619462009
- Leonardo Rodriguez, M.D.Pediatrics Physician1801007000
Verify Nathaniel Spencer Harriman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 6552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average medical physician assistant in 2024
197 Medicare Part D claims for 110 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 58 claims were for opioids.
Most prescribed
- Oxycodone Hcl49 claims
- Methocarbamol46 claims
- Gabapentin28 claims
- Methylprednisolone21 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.
Industry payments in 2024: $1,181.66
15 payments; by number, the most common kind was food and beverage; the largest payer was ImpactOrtho, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Vhs Outpatient Clinics IncGoodyear, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 medical physician assistant records list a practice address in San Luis
They are 4 of the 133 NPPES records with a practice address in San Luis, and 996 medical physician assistant records in Arizona.
All 4 in San Luis → All 996 in Arizona → Every provider in San Luis →
Other medical physician assistant records in Arizona
- Carley Abbott, PA-CChandler, AZ1649959792
- Delmas Abbott, PA-CPrescott, AZ1437452836
- Michael Abraham, PA-CPhoenix, AZ1548651599
- Elaine Accomando, PACottonwood, AZ1033189444
- Jesus Acero, PAPhoenix, AZ1104583582
- Mica Adair, PAPrescott Valley, AZ1831653377
- Sarah Adamo, PA-CGilbert, AZ1952652604
- Gladys Adams, PA-CPhoenix, AZ1982603601
- Robin Adamson, PA-CChandler, AZ1649220401
- Mark Adelman, P.A.Mesa, AZ1255370409
Common questions
What is Nathaniel Spencer Harriman, M.S.S., PA-C's NPI number?
Nathaniel Spencer Harriman, M.S.S., PA-C's National Provider Identifier (NPI) is 1053862300, issued on Oct 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Spencer Harriman, M.S.S., PA-C located?
The NPPES record lists a practice address at 1896 E Babbitt LN, San Luis, AZ, 85349. Phone: (928) 722-6112. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Spencer Harriman, M.S.S., PA-C's license?
NPPES lists Arizona license number 6552, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Nathaniel Spencer Harriman, M.S.S., PA-C prescribe under Medicare Part D?
In 2024, Nathaniel Spencer Harriman, M.S.S., PA-C had 197 Medicare Part D claims for 110 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.