Melissa P. Pennington, PA-C

  • Saint Louis, MO
  • Physician assistant
NPI1225149685PAC ID7517973126
Medicare patients, 2024
194
Part D claims, 2024
1,015
Hospital affiliations
2
Industry payments
$151
Medical group
1
Practice address
10010 Kennerly Road, Saint Louis, MO 63128
Practice phone
Call (314) 525-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital South

Hospital · Saint Louis, Missouri

See all 4 affiliations

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Melissa P. Pennington is a physician assistant in Saint Louis, Missouri

Melissa Pennington practices at Mercy Hospital South in Saint Louis, Missouri, part of Mercy.

Melissa Pennington's NPI, 1225149685, was assigned on August 31, 2006. Melissa Pennington holds Missouri license 2012037436.

NPI and contact details
Medicare PAC ID
7517973126
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(314) 525-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
47
Medical school graduation
2005

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

Melissa P. Pennington practices at Mercy Hospital South in Saint Louis, Missouri

Melissa Pennington's primary practice is Mercy Hospital South, at 10010 Kennerly Road, Saint Louis, MO 63128 in St. Louis County. The practice phone is (314) 525-1000.

  • Mercy Hospital South
    10010 Kennerly Road, Saint Louis, MO 63128 · St. Louis CountyPhone(314) 525-1000

Source: Dmand AI Affiliation Data

Melissa P. Pennington is affiliated with 3 sites of care and 1 medical group

Melissa Pennington's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. Melissa Pennington is also affiliated with Mercy Hospital St. Louis. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Melissa Pennington to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Melissa Pennington

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

Dmand AI tracks the EHR system at Melissa P. Pennington's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Melissa Pennington practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Hospital SouthAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Melissa P. Pennington is one of 1,484 physician assistants in Missouri

Physician assistant is Melissa Pennington's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Melissa Pennington's licenses on file in 3 states: Missouri, Minnesota and Washington.

Specialties and state licenses

  • Physician assistant, MissouriPrimaryLicense 2012037436 · taxonomy 363A00000X
  • Minnesota licenseLicense 11042
  • Washington licenseLicense WA PA 10004933

Physician assistants near Melissa Pennington

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

Melissa P. Pennington treated 194 Medicare patients in 2024, average age 76

CMS counts 194 Medicare patients who saw Melissa Pennington in 2024. The largest group is 75 to 84, with 85 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Melissa Pennington's median patient age at 70, with 64% women.

Medicare patients, 2024194
Average age76
Average risk score1.70
Also on Medicaid10%

Melissa Pennington's Medicare patients by age, 2024

Melissa Pennington's Medicare patients by sex, 2024

  • Women12765%
  • Men6735%

Chronic conditions among Melissa Pennington's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis62%
  4. Mood disorders53%
  5. Depression51%
  6. Chronic kidney disease47%
  7. Ischemic heart disease42%
  8. Anxiety39%

Share of Medicare patients with each condition. A patient can have several.

Melissa Pennington's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women64%
  • Men35%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Melissa P. Pennington wrote 1,015 Medicare Part D claims in 2024

In 2024, Melissa Pennington wrote 1,015 Medicare Part D claims for 406 patients. 88% of them were for generic drugs.

Part D claims, 20241,015
Part D patients406

Melissa Pennington's Part D claims by kind of drug, 2024

  • Generic893 claims88%
  • Brand-name and other122 claims12%

Drug classes CMS tracks in Melissa Pennington's Part D claims, 2024

  • Antibiotics14%140 of 1,015 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Melissa P. Pennington offers telehealth to Medicare patients

Melissa Pennington accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Melissa Pennington as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Melissa P. Pennington received $151 in industry payments in 2025

CMS Open Payments shows 7 general payments to Melissa Pennington from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $28.

Companies that paid Melissa Pennington the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Melissa Pennington

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

Sources for Melissa P. Pennington'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
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 Melissa P. Pennington

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

What is Melissa P. Pennington's NPI number?

Melissa P. Pennington's NPI number is 1225149685. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What does Melissa P. Pennington specialize in?

Melissa P. Pennington is a physician assistant in Saint Louis, Missouri. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Melissa P. Pennington practice?

Melissa Pennington practices at 10010 Kennerly Road, Saint Louis, MO 63128. Melissa Pennington's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. Dmand AI also links Melissa Pennington to 1 group practice or clinic.

What is Melissa P. Pennington's office phone number?

The practice phone on file for Melissa Pennington is (314) 525-1000.

What is Melissa P. Pennington's medical license number?

Melissa Pennington holds Missouri license 2012037436, one of the licenses on file in 3 states.

Which states has Melissa P. Pennington been licensed in?

Dmand AI has state licenses on file for Melissa Pennington in Missouri, Minnesota and Washington.

Which hospitals is Melissa P. Pennington affiliated with?

Melissa Pennington practices at Mercy Hospital South in Saint Louis, Missouri. Melissa Pennington is also affiliated with Mercy Hospital St. Louis.

What medical group is Melissa P. Pennington part of?

Melissa Pennington is linked to Mercy Clinic East Communities.

Does Melissa P. Pennington accept Medicare?

Yes. CMS lists Melissa Pennington as accepting Medicare assignment.

Does Melissa P. Pennington offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Melissa Pennington as offering telehealth services.

Show 3 more questionsShow fewer questions

How many Medicare patients does Melissa P. Pennington see?

CMS counts 194 Medicare patients who saw Melissa Pennington in 2024, with an average age of 76.

Has Melissa P. Pennington received payments from drug or device companies?

CMS Open Payments shows $151 in general payments to Melissa Pennington from 7 companies from 2025 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Melissa P. Pennington been practicing?

Melissa Pennington graduated from medical school in 2005, 21 years ago.

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