Dr. Karen Ashmore Maltby, MD

  • Tupelo, MS
  • Allergist and immunologist
NPI1114134863PAC ID2668618265
Medicare services, 2024
4,231
Medicare patients, 2024
232
Part D claims, 2024
1,655
Hospital affiliations
1
Industry payments
$15,823
Practice address
1512 Medical Park Cir, Tupelo, MS 38801
Practice phone
Call (662) 377-4685
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

North Mississippi Allergy and Asthma Center

Tupelo, Mississippi

See all 4 affiliations

Find Dr. Maltby's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Karen Ashmore Maltby is an allergist and immunologist in Tupelo, Mississippi

Dr. Maltby practices at North Mississippi Allergy and Asthma Center in Tupelo, Mississippi.

Dr. Maltby's NPI, 1114134863, was assigned on May 16, 2007. Dr. Maltby graduated from University of Mississippi School of Medicine in 2006. Dr. Maltby holds Tennessee license 46387.

NPI and contact details
Medicare PAC ID
2668618265
NPI enumeration date
May 16, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(662) 377-4685
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
46
Medical school graduation
2006

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

Dr. Karen Ashmore Maltby practices at North Mississippi Allergy and Asthma Center in Tupelo, Mississippi

Dr. Maltby's primary practice is North Mississippi Allergy and Asthma Center, at 1512 Medical Park Cir, Tupelo, MS 38801 in Lee County. The practice phone is (662) 377-4685.

  • North Mississippi Allergy and Asthma Center
    1512 Medical Park Cir, Tupelo, MS 38801 · Lee CountyPhone(662) 377-4685

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Karen Ashmore Maltby is affiliated with 3 sites of care and 1 medical group

Dr. Maltby's primary practice is North Mississippi Allergy and Asthma Center in Tupelo, Mississippi. Dr. Maltby is also affiliated with North Mississippi Medical Center-Tupelo. The medical group on file is North Mississippi Allergy and Asthma Center. Dmand AI also links Dr. Maltby to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Maltby

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Karen Ashmore Maltby's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maltby practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
North Mississippi Allergy and Asthma CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Maltby practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Karen Ashmore Maltby is one of 23 allergists and immunologists in Mississippi

Allergy and immunology is Dr. Maltby's primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Maltby is licensed in Tennessee.

Specialties and state licenses

  • Allergy and immunology, TennesseePrimaryLicense 46387 · taxonomy 207K00000X

Allergists and immunologists near Dr. Maltby

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

23allergists and immunologists in Mississippi
2allergists and immunologists in Tupelo

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

Dr. Karen Ashmore Maltby billed Medicare for 4,231 services in 2024

CMS data shows 4,231 Medicare services from Dr. Maltby across 9 procedure codes in 2024, for 232 Medicare patients. Medicare paid $42,859 for them. Every service was in an office.

Medicare services, 20244,231
Medicare patients232
Paid by Medicare$42,859
Procedure codes9

Dr. Maltby's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 3,6952024: 3,8625%
Office and hospital visits
2023: 2472024: 2512%
Other services
2023: 02024: 74
Surgery
2023: 552024: 4420%

Dr. Maltby compared with the Mississippi median for allergists and immunologists, 2024

  • Dr. Maltby
  • Mississippi median
Medicare services
4,231vs 4,231Close to median
Medicare patients
232vs 226Close to median
Part D claims
1,586vs 1,22130% above

Medians across 24 allergists and immunologists in Mississippi with Dmand AI profiles that report each measure.

Dr. Maltby's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Maltby

Need commercial claims for Dr. Maltby?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maltby and other allergists and immunologists in Mississippi.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Karen Ashmore Maltby treated 232 Medicare patients in 2024, average age 69

CMS counts 232 Medicare patients who saw Dr. Maltby in 2024. The largest group is 65 to 74, with 114 patients. 73% of them have high blood pressure, and 73% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Maltby's median patient age at 21, with 60% women.

Medicare patients, 2024232
Average age69
Average risk score1.07
Also on Medicaid16%

Dr. Maltby's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Maltby's Medicare patients by sex, 2024

  • Women18680%
  • Men4620%

Chronic conditions among Dr. Maltby's Medicare patients, 2024

  1. High blood pressure73%
  2. High cholesterol73%
  3. Arthritis54%
  4. Diabetes31%
  5. Asthma30%
  6. Anxiety28%
  7. Mood disorders27%
  8. Depression26%

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

Dr. Maltby's patients across all payers

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

Patient panel by age, all payers

Median age 21

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. Karen Ashmore Maltby wrote 1,655 Medicare Part D claims in 2024

In 2024, Dr. Maltby wrote 1,655 Medicare Part D claims for 270 patients. 72% of them were for generic drugs. CMS names the drug for 1,586 of them, across 24 drugs with 11 or more claims each, at $2,044,423 in total drug cost. In 2023, CMS named 1,555 claims across 25 drugs.

Part D claims, 20241,655
Drugs named by CMS24
Total drug cost$2M
Part D patients270

Dr. Maltby's Part D claims by kind of drug, 2024

  • Generic1,197 claims72%
  • Brand-name458 claims28%

Dr. Maltby'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 Dr. Maltby's Part D claims, 2024

  • Antibiotics1%16 of 1,655 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,5552024: 1,5862%

Drugs named by CMS: 24 in 2024, 25 in 2023.

See all prescribing by Dr. Maltby

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 Dr. Karen Ashmore Maltby takes part in Medicare

Dr. Maltby 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)

For MedTech and pharma teams

Find allergists and immunologists like Dr. Maltby by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Karen Ashmore Maltby received $15,823 in industry payments from 2016 to 2025

CMS Open Payments shows 822 general payments to Dr. Maltby from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. CSL Behring paid the most, $2,461.

General payments to Dr. Maltby by program year, 2016 to 2025

General payments to Dr. Maltby by kind, 2016 to 2025

$15.8Kin total
  • Food and beverage$15,30997%
  • Education$4973%
  • Consulting fees$170%

Companies that paid Dr. Maltby the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Maltby

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

Dr. Karen Ashmore Maltby graduated from University of Mississippi School of Medicine

Dr. Maltby graduated from University of Mississippi School of Medicine in 2006.

  1. Medical schoolUniversity of Mississippi School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Karen Ashmore Maltby'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 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)
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 Dr. Karen Ashmore Maltby

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

What is Dr. Karen Ashmore Maltby's NPI number?

Dr. Karen Ashmore Maltby's NPI number is 1114134863. It was assigned on May 16, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Karen Ashmore Maltby?

Dr. Karen Ashmore Maltby is an allergist and immunologist in Tupelo, Mississippi. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).

Where does Dr. Karen Ashmore Maltby practice?

Dr. Maltby practices at 1512 Medical Park Cir, Tupelo, MS 38801. Dr. Maltby's primary practice is North Mississippi Allergy and Asthma Center in Tupelo, Mississippi. Dmand AI also links Dr. Maltby to 1 group practice or clinic.

What is Dr. Karen Ashmore Maltby's office phone number?

The practice phone on file for Dr. Maltby is (662) 377-4685.

What is Dr. Karen Ashmore Maltby's medical license number?

Dr. Maltby holds Tennessee license 46387.

Which hospitals is Dr. Karen Ashmore Maltby affiliated with?

Dr. Maltby is affiliated with North Mississippi Medical Center-Tupelo.

What medical group is Dr. Karen Ashmore Maltby part of?

Dr. Maltby is linked to North Mississippi Allergy and Asthma Center.

Does Dr. Karen Ashmore Maltby accept Medicare?

Yes. CMS data shows Dr. Maltby billed Medicare for 4,231 services in 2024, and Dr. Maltby accepts Medicare assignment.

How many Medicare patients does Dr. Karen Ashmore Maltby see?

CMS counts 232 Medicare patients who saw Dr. Maltby in 2024, with an average age of 69.

What services does Dr. Karen Ashmore Maltby bill to Medicare?

In 2024, Dr. Maltby's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95024).

Show 4 more questionsShow fewer questions

Where did Dr. Karen Ashmore Maltby go to medical school?

Dr. Maltby graduated from University of Mississippi School of Medicine in 2006.

What drugs does Dr. Karen Ashmore Maltby prescribe most?

In 2024 Medicare Part D data, Dr. Maltby's most prescribed drugs by claims were Montelukast Sodium, Fluticasone Propionate and Famotidine.

Has Dr. Karen Ashmore Maltby received payments from drug or device companies?

CMS Open Payments shows $15,823 in general payments to Dr. Maltby from 36 companies from 2016 to 2025. The largest total came from CSL Behring.

How long has Dr. Karen Ashmore Maltby been practicing?

Dr. Maltby graduated from medical school in 2006, 20 years ago.

Selling to allergy and immunology practices?

See allergists and immunologists in Mississippi by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)