NPPES file of Aug 9, 2026

Herman K. Lo, MD

Family Medicine Physician · Union, SC

Herman K. Lo, MD is a family medicine physician with a practice address in Union, South Carolina, and NPI 1669413902, issued on Jun 9, 2006. Check the license (South Carolina 84450, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669413902
Name
Herman K. Lo
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
84450 SC
Self-reported in NPPES; status is on the state search
Practice location
322 W South St, Union, SC 29379
Phone
(864) 429-8029
Enumerated
Jun 9, 2006
Record last updated
Aug 15, 2023
Fax
(864) 429-3515
Medicaid ID
844509 SC
Medicare enrollment
Enrolled (PECOS I20230714003257); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 322 W South St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Susan Cherry-Casey, NURSE PRACTITIONERNurse Practitioner1619412079
  2. Anterpreet Dua, MDPain Medicine (Anesthesiology) Physician1881661270
  3. Maisie Fisher, PA-CPhysician Assistant1285457077
  4. David Keith, MDFamily Medicine Physician1487677712
  5. Susan McClellan, C.R.N.A.Certified Registered Nurse Anesthetist1891995239
  6. Sunitha Nagubilli, MDFamily Medicine Physician1225325293

Verify Herman K. Lo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 84450
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2% more Medicare Part D claims than the average family medicine physician in 2024

3,622 Medicare Part D claims for 459 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 25 claims were for opioids.

  1. Herman Lo3,622
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium240 claims
  2. Amlodipine Besylate159 claims
  3. Lisinopril109 claims
  4. Gabapentin98 claims
  5. Carvedilol97 claims
  6. Pantoprazole Sodium94 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: $401.49

21 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Herman Lo$401.49
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Union Medical CenterUnion, SC · Acute Care Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Herman K. Lo among 2,700 family medicine physician records in South Carolina

Herman K. Lo, MD is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2019 · median 2006 among the 1,638 with a school on file
  • Record last updated2023 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 family medicine physician records list a practice address in Union

They are 9 of the 144 NPPES records with a practice address in Union, and 2,700 family medicine physician records in South Carolina.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Flood, M.D.Union, SC 293791902891153
  2. Jimmy Fowler, MDUnion, SC 293791871572495
  3. Harold Hope, MDUnion, SC 293791265577910
  4. David Keith, MDUnion, SC 293791487677712
  5. Laura Moretz, MDUnion, SC 293791912951815
  6. Sunitha Nagubilli, MDUnion, SC 293791225325293
  7. Omri Webb, MDUnion, SC 293791194822510
  8. Robert Wentz, MDUnion, SC 293791346261690

Common questions

What is Herman K. Lo, MD's NPI number?

Herman K. Lo, MD's National Provider Identifier (NPI) is 1669413902, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Herman K. Lo, MD located?

The NPPES record lists a practice address at 322 W South St, Union, SC, 29379. Phone: (864) 429-8029. Providers update this record themselves, so call before visiting.

How can I verify Herman K. Lo, MD's license?

NPPES lists South Carolina license number 84450, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Herman K. Lo, MD prescribe under Medicare Part D?

In 2024, Herman K. Lo, MD had 3,622 Medicare Part D claims for 459 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.