Dr. Tammi Thomas Howard, MD
- Medicare services, 2024
- 127
- Medicare patients, 2024
- 45
- Part D claims, 2024
- 125
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 1221 Mercantile Lane, Largo, MD 20774
- Practice phone
- Call (301) 300-8733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ambulatory Surgery Center at Largo Medical Center
Surgery Center - Medicare-Certified · Largo, Maryland
Find Dr. Howard's professional email, personal email and mobile number
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Dr. Tammi Thomas Howard is an internist in Upper Marlboro, Maryland
Dr. Howard practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland.
Dr. Howard's NPI, 1114189560, was assigned on June 26, 2008. Dr. Howard graduated from Ohio State University College of Medicine in 2008. Dr. Howard holds District of Columbia license MD045398.
- NPI
- 1114189560NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810175676
- NPI enumeration date
- June 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 300-8733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tammi Thomas Howard practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland
Dr. Howard's primary practice is Ambulatory Surgery Center at Largo Medical Center, at 1221 Mercantile Lane, Largo, MD 20774. The practice phone is (301) 300-8733.
- Ambulatory Surgery Center at Largo Medical Center1221 Mercantile Lane, Largo, MD 20774Phone(301) 300-8733
Source: Dmand AI Affiliation Data
Dr. Tammi Thomas Howard is affiliated with 2 sites of care and 1 medical group
Dr. Howard's primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Howard to 1 more dialysis center, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Tammi Thomas Howard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Howard practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ambulatory Surgery Center at Largo Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tammi Thomas Howard is one of 3,320 internists in Maryland
Internal medicine is Dr. Howard's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Howard's licenses on file in 3 states: District of Columbia, Minnesota and Ohio.
Specialties and state licenses
- Internal medicine, District of ColumbiaPrimary
- Minnesota license
- Ohio license
Internists near Dr. Howard
Counts of internists 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
Dr. Tammi Thomas Howard billed Medicare for 127 services in 2024
CMS data shows 127 Medicare services from Dr. Howard across 3 procedure codes in 2024, for 45 Medicare patients. Medicare paid $8,450 for them. Every service was in an office.
Dr. Howard's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 792024: 9824%
- Surgery
- 2023: 162024: 2981%
Dr. Howard compared with the Maryland median for internists, 2024
- Dr. Howard
- Maryland median
- Medicare services
- 127vs 65681% below
- Medicare patients
- 45vs 25182% below
- Part D claims
- 34vs 30989% below
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Howard'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tammi Thomas Howard treated 45 Medicare patients in 2024, average age 72
CMS counts 45 Medicare patients who saw Dr. Howard in 2024. The largest group is 65 to 74, with 28 patients. 47% of them have high blood pressure, and 44% have arthritis. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Howard's median patient age at 46, with 71% women.
Dr. Howard's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Howard's Medicare patients by sex, 2024
- Women3169%
- Men1431%
Chronic conditions among Dr. Howard's Medicare patients, 2024
- High blood pressure47%
- Arthritis44%
- High cholesterol44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Howard's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women71%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tammi Thomas Howard wrote 125 Medicare Part D claims in 2024
In 2024, Dr. Howard wrote 125 Medicare Part D claims for 31 patients. 78% of them were for generic drugs. CMS names the drug for 34 of them, across 2 drugs with 11 or more claims each, at $219 in total drug cost.
Dr. Howard's Part D claims by kind of drug, 2024
- Generic98 claims78%
- Brand-name and other27 claims22%
Dr. Howard's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Tammi Thomas Howard takes part in Medicare
Dr. Howard 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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Dr. Tammi Thomas Howard graduated from Ohio State University College of Medicine
Dr. Howard graduated from Ohio State University College of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tammi Thomas Howard's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tammi Thomas Howard
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. Tammi Thomas Howard's NPI number?
Dr. Tammi Thomas Howard's NPI number is 1114189560. It was assigned on June 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Tammi Thomas Howard?
Dr. Tammi Thomas Howard is an internist in Upper Marlboro, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tammi Thomas Howard practice?
Dr. Howard practices at 1221 Mercantile Lane, Largo, MD 20774. Dr. Howard's primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. Dmand AI also links Dr. Howard to 1 dialysis center.
What is Dr. Tammi Thomas Howard's office phone number?
The practice phone on file for Dr. Howard is (301) 300-8733.
What is Dr. Tammi Thomas Howard's medical license number?
Dr. Howard holds District of Columbia license MD045398, one of the licenses on file in 3 states.
Which states has Dr. Tammi Thomas Howard been licensed in?
Dmand AI has state licenses on file for Dr. Howard in District of Columbia, Minnesota and Ohio.
What medical group is Dr. Tammi Thomas Howard part of?
Dr. Howard is linked to Mid-Atlantic Permanente Medical Group.
Does Dr. Tammi Thomas Howard accept Medicare?
Yes. CMS data shows Dr. Howard billed Medicare for 127 services in 2024, and Dr. Howard accepts Medicare assignment.
How many Medicare patients does Dr. Tammi Thomas Howard see?
CMS counts 45 Medicare patients who saw Dr. Howard in 2024, with an average age of 72.
What services does Dr. Tammi Thomas Howard bill to Medicare?
In 2024, Dr. Howard's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
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Where did Dr. Tammi Thomas Howard go to medical school?
Dr. Howard graduated from Ohio State University College of Medicine in 2008.
What drugs does Dr. Tammi Thomas Howard prescribe most?
In 2016 Medicare Part D data, Dr. Howard's most prescribed drugs by claims were Quetiapine Fumarate and Lisinopril.
How long has Dr. Tammi Thomas Howard been practicing?
Dr. Howard graduated from medical school in 2008, 18 years ago.
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