Amy Singleton McMillan, PA-C
Medical Physician Assistant · Chapin, SC
Amy Singleton McMillan, PA-C is a medical physician assistant with a practice address in Chapin, South Carolina, and NPI 1245480359, issued on Sep 25, 2008. Check the license (South Carolina 1337, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy Singleton McMillan
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 1337 SC
Self-reported in NPPES; status is on the state search - Practice location
- 565 Columbia Ave, Chapin, SC 29036
- Phone
- (803) 936-7476
- Enumerated
- Sep 25, 2008
- Record last updated
- Jul 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (803) 936-7477
- Medicare enrollment
- Enrolled (PECOS I20090306000420); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 493 in South Carolina → Look up another NPI →
Also registered at 565 Columbia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Chapman, M.D.Family Medicine Physician1275584914
- Janis Keeton, MDObstetrics & Gynecology Physician1518936392
- Evelyn Tucker, MDObstetrics & Gynecology Physician1396849006
- George Watt, MDObstetrics & Gynecology Physician1700854551
Verify Amy Singleton McMillan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 1337Check 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
193 Medicare Part D claims for 61 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Estradiol50 claims
- Progesterone17 claims
- Fluconazole13 claims
- Oxybutynin Chloride Er11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $34.69
4 payments; by number, the most common kind was food and beverage; the largest payer was Sage Therapeutics, 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
- Lexington Health IncLexington, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy Singleton McMillan among 493 medical physician assistant records in South Carolina
Amy Singleton McMillan, PA-C is one of 493 medical physician assistant records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 32% of them.
- NPI issued2008 · 32% of these records are older, 62% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2014 among the 282 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in South Carolina
There are 493 medical physician assistant records in South Carolina.
All 493 in South Carolina → Every provider in Chapin → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- James Keen, PA-CElgin, SC 290451447976154
- Stephanie Batten, PA-CCamden, SC 290201164535803
- Dean Kot, PA-CCamden, SC 290201114431301
- Lauren Taylor, PACamden, SC 290201821037680
- Briana Williams, CMACamden, SC 290201366309908
- Brian Harbison, PABlythewood, SC 290161790738086
- John Ashton, PA-CIrmo, SC 290631770785503
- Taylor Branham, PA-CBethune, SC 290091508513730
Common questions
What is Amy Singleton McMillan, PA-C's NPI number?
Amy Singleton McMillan, PA-C's National Provider Identifier (NPI) is 1245480359, issued on Sep 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Amy Singleton McMillan, PA-C located?
The NPPES record lists a practice address at 565 Columbia Ave, Chapin, SC, 29036. Phone: (803) 936-7476. Providers update this record themselves, so call before visiting.
How can I verify Amy Singleton McMillan, PA-C's license?
NPPES lists South Carolina license number 1337, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Amy Singleton McMillan, PA-C prescribe under Medicare Part D?
In 2024, Amy Singleton McMillan, PA-C had 193 Medicare Part D claims for 61 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Amy Singleton McMillan, PA-C's MIPS final score?
The 2023 MIPS final score is 83 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.