Stephen Clarendon Ladd, PA-C
Physician Assistant · Lone Tree, CO
Stephen Clarendon Ladd, PA-C is a physician assistant with a practice address in Lone Tree, Colorado, and NPI 1801117981, issued on Jun 12, 2010. Check the license with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Clarendon Ladd
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 10101 Ridgegate Pkwy, Lone Tree, CO 80124
- Phone
- (303) 790-1800
- Enumerated
- Jun 12, 2010
- Record last updated
- Jun 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 10101 Ridgegate Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sheri BarlowClinical Social Worker1407488620
- Paul Bennett, DOHospitalist Physician1750546495
- Darcie Besel, RNRegistered Nurse1205711991
- Michele BibboNurse Practitioner1396154969
- Ellen Blatt, M.D.Diagnostic Radiology Physician1730165911
Verify Stephen Clarendon Ladd in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average physician assistant in 2024
82 Medicare Part D claims for 50 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Methylprednisolone16 claims
- Methocarbamol15 claims
- Hydrocodone-Acetaminophen13 claims
- Oxycodone Hcl13 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: $180.48
4 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Stephen Clarendon Ladd among 3,767 physician assistant records in Colorado
Stephen Clarendon Ladd, PA-C is one of 3,767 physician assistant records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 31% of them.
- NPI issued2010 · 31% of these records are older, 66% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2010 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
76 physician assistant records list a practice address in Lone Tree
They are 76 of the 1,405 NPPES records with a practice address in Lone Tree, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Lone Tree → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michael Barnes, PACLone Tree, CO 801241043248263
- Jonathan Churchill, P.A.Lone Tree, CO 801241508807041
- Silvia Connell, PACLone Tree, CO 801241447221049
- Heather Cresmen, PA-CLone Tree, CO 801241801865209
- Jacqueline FitchLone Tree, CO 801241477545069
- Maria Ibach, PALone Tree, CO 801241346296795
- Lorena Johnson, PALone Tree, CO 801241154361202
- Tracy Johnson, PA-CLone Tree, CO 801241184709347
Common questions
What is Stephen Clarendon Ladd, PA-C's NPI number?
Stephen Clarendon Ladd, PA-C's National Provider Identifier (NPI) is 1801117981, issued on Jun 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Clarendon Ladd, PA-C located?
The NPPES record lists a practice address at 10101 Ridgegate Pkwy, Lone Tree, CO, 80124. Phone: (303) 790-1800. Providers update this record themselves, so call before visiting.
How can I verify Stephen Clarendon Ladd, PA-C's license?
Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Clarendon Ladd, PA-C prescribe under Medicare Part D?
In 2024, Stephen Clarendon Ladd, PA-C had 82 Medicare Part D claims for 50 beneficiaries; the average among physician assistant prescribers was 830. 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.