Lydia Karlyn Marsham, PA-C

  • Sanford, FL
  • Physician assistant
NPI1053655878PAC ID9234416496
Part D claims, 2024
1,125
Hospital affiliations
3
Industry payments
$2,763
Medical group
1
State license
1
Practice address
1401 W Seminole Blvd, Sanford, FL 32771
Practice phone
Call (407) 321-4500
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

HCA Florida Lake Monroe Hospital

Hospital · Sanford, Florida

See all 5 affiliations

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Lydia Karlyn Marsham is a physician assistant in Sanford, Florida

Lydia Marsham practices at HCA Florida Lake Monroe Hospital in Sanford, Florida, part of HCA Healthcare.

Lydia Marsham's NPI, 1053655878, was assigned on November 16, 2012. Lydia Marsham holds Florida license PA9103622.

NPI and contact details
Medicare PAC ID
9234416496
NPI enumeration date
November 16, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(407) 321-4500
Professional email
Get email
Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Lydia Karlyn Marsham practices at HCA Florida Lake Monroe Hospital in Sanford, Florida

Lydia Marsham's primary practice is HCA Florida Lake Monroe Hospital, at 1401 W Seminole Blvd, Sanford, FL 32771 in Seminole County. The practice phone is (407) 321-4500.

Source: Dmand AI Affiliation Data

Lydia Karlyn Marsham is affiliated with 4 sites of care and 1 medical group

Lydia Marsham's primary practice is HCA Florida Lake Monroe Hospital in Sanford, Florida, part of HCA Healthcare. Lydia Marsham is also affiliated with AdventHealth Orlando. The medical group on file is Ayesha Ahmar MD & Associates. Dmand AI also links Lydia Marsham to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Lydia Marsham

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Lydia Karlyn Marsham's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Lydia Marsham practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HCA Florida Lake Monroe HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Lydia Karlyn Marsham is one of 1,969 physician assistants in Florida

Medical is Lydia Marsham's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Lydia Marsham is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Lydia Marsham is licensed in Florida.

Specialties and state licenses

  • Medical physician assistant, FloridaPrimaryLicense PA9103622 · taxonomy 363AM0700X

Physician assistants near Lydia Marsham

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Lydia Karlyn Marsham's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Lydia Marsham's median patient age at 49, with 72% women.

Lydia Marsham's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women72%
  • Men27%

Source: Dmand AI Patient Panel Data

Lydia Karlyn Marsham wrote 1,125 Medicare Part D claims in 2024

In 2024, Lydia Marsham wrote 1,125 Medicare Part D claims for 195 patients. 86% of them were for generic drugs. CMS names the drug for 704 of them, across 29 drugs with 11 or more claims each, at $8,703 in total drug cost.

Part D claims, 20241,125
Drugs named by CMS29
Total drug cost$8,703
Part D patients195

Lydia Marsham's Part D claims by kind of drug, 2024

  • Generic967 claims86%
  • Brand-name and other158 claims14%

Lydia Marsham's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Lydia Marsham's Part D claims, 2024

  • Antibiotics5%53 of 1,125 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Lydia Marsham

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Lydia Karlyn Marsham takes part in Medicare

Lydia Marsham accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Lydia Karlyn Marsham received $2,763 in industry payments from 2024 to 2025

CMS Open Payments shows 77 general payments to Lydia Marsham from 18 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $469.

General payments to Lydia Marsham by program year, 2024 to 2025

Companies that paid Lydia Marsham the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Lydia Marsham

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Lydia Karlyn Marsham has 1 award and honors on record

Dmand AI lists 1 award for Lydia Marsham.

Awards and honors for Lydia Marsham

  1. Undated
    • Medical Captain

Source: Dmand AI Professional Profile Data

Lydia Karlyn Marsham is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Lydia Karlyn Marsham's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Lydia Karlyn Marsham

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Lydia Karlyn Marsham's NPI number?

Lydia Karlyn Marsham's NPI number is 1053655878. It was assigned on November 16, 2012, and it is active in the NPI Registry.

What does Lydia Karlyn Marsham specialize in?

Lydia Karlyn Marsham is a physician assistant in Sanford, Florida. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Lydia Karlyn Marsham practice?

Lydia Marsham practices at 1401 W Seminole Blvd, Sanford, FL 32771. Lydia Marsham's primary practice is HCA Florida Lake Monroe Hospital in Sanford, Florida, part of HCA Healthcare. Dmand AI also links Lydia Marsham to 1 hospital and 1 group practice or clinic.

What is Lydia Karlyn Marsham's office phone number?

The practice phone on file for Lydia Marsham is (407) 321-4500.

What is Lydia Karlyn Marsham's medical license number?

Lydia Marsham holds Florida license PA9103622.

Which hospitals is Lydia Karlyn Marsham affiliated with?

Lydia Marsham practices at HCA Florida Lake Monroe Hospital in Sanford, Florida. Lydia Marsham is also affiliated with AdventHealth Orlando. Dmand AI links Lydia Marsham to 1 more hospital.

What medical group is Lydia Karlyn Marsham part of?

Lydia Marsham is linked to Ayesha Ahmar MD & Associates.

Does Lydia Karlyn Marsham accept Medicare?

Yes. CMS lists Lydia Marsham as accepting Medicare assignment.

Is Lydia Karlyn Marsham board certified?

Yes. Lydia Marsham is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What drugs does Lydia Karlyn Marsham prescribe most?

In 2024 Medicare Part D data, Lydia Marsham's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Levothyroxine Sodium.

Has Lydia Karlyn Marsham received payments from drug or device companies?

CMS Open Payments shows $2,763 in general payments to Lydia Marsham from 18 companies from 2024 to 2025. The largest total came from Medtronic, Inc.

How long has Lydia Karlyn Marsham been practicing?

Lydia Marsham's NPI was assigned in 2012.

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