Dr. Jacob A. Armstrong, MD
- Medicare services, 2024
- 370
- Medicare patients, 2024
- 151
- Hospital affiliations
- 1
- Industry payments
- $41
- Medical groups
- 2
- Practice address
- 6411 Fannin, Houston, TX 77030
- Practice phone
- Call (713) 704-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Jacob A. Armstrong is a pathologist in Houston, Texas
Dr. Armstrong practices at Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System.
Dr. Armstrong's NPI, 1629455886, was assigned on April 27, 2015. Dr. Armstrong graduated from University of Texas Medical School at Houston in 2015. Dr. Armstrong holds Texas license SS2720.
- NPI
- 1629455886NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628471208
- NPI enumeration date
- April 27, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 704-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jacob A. Armstrong practices at Memorial Hermann-Texas Medical Center in Houston, Texas
Dr. Armstrong's primary practice is Memorial Hermann-Texas Medical Center, at 6411 Fannin, Houston, TX 77030 in Harris County. The practice phone is (713) 704-3700.
- Memorial Hermann-Texas Medical Center6411 Fannin, Houston, TX 77030 · Harris CountyPhone(713) 704-3700
Source: Dmand AI Affiliation Data
Dr. Jacob A. Armstrong is affiliated with 2 sites of care and 2 medical groups
Dr. Armstrong's primary practice is Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System. The medical group on file is UTHealth Houston Department of Pathology and Laboratory Medicine. Dmand AI also links Dr. Armstrong to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jacob A. Armstrong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Armstrong practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hermann-Texas Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jacob A. Armstrong is one of 1,145 pathologists in Texas
Anatomic pathology and clinical pathology is Dr. Armstrong's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dmand AI has Dr. Armstrong's licenses on file in 2 states: Texas and Louisiana.
Specialties and state licenses
- Anatomic pathology and clinical pathology, TexasPrimary
- Louisiana license
Pathologists near Dr. Armstrong
Counts of pathologists 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. Jacob A. Armstrong billed Medicare for 370 services in 2024
CMS data shows 370 Medicare services from Dr. Armstrong across 12 procedure codes in 2024, for 151 Medicare patients. Medicare paid $8,401 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Armstrong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 6392024: 37042%
Dr. Armstrong compared with the Texas median for pathologists, 2024
- Dr. Armstrong
- Texas median
- Medicare services
- 370vs 91860% below
- Medicare patients
- 151vs 35457% below
Medians across 976 pathologists in Texas with Dmand AI profiles that report each measure.
Dr. Armstrong'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Armstrong and other pathologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jacob A. Armstrong treated 151 Medicare patients in 2024, average age 71
CMS counts 151 Medicare patients who saw Dr. Armstrong in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 3.22, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Armstrong's median patient age at 60, with 53% women.
Dr. Armstrong's Medicare patients by age, 2024
Dr. Armstrong's Medicare patients by sex, 2024
- Women7852%
- Men7348%
Chronic conditions among Dr. Armstrong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease65%
- Ischemic heart disease56%
- Heart failure55%
- Arthritis54%
- Diabetes49%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Armstrong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jacob A. Armstrong takes part in Medicare
Dr. Armstrong 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. Jacob A. Armstrong received $41 in industry payments from 2022 to 2023
CMS Open Payments shows 2 general payments to Dr. Armstrong from 1 drug or device company from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Adaptive Biotechnologies Corporation paid the most, $41.
General payments to Dr. Armstrong by program year, 2022 to 2023
Companies that paid Dr. Armstrong the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jacob A. Armstrong graduated from University of Texas Medical School at Houston
Dr. Armstrong graduated from University of Texas Medical School at Houston in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jacob A. Armstrong'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Jacob A. Armstrong
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. Jacob A. Armstrong's NPI number?
Dr. Jacob A. Armstrong's NPI number is 1629455886. It was assigned on April 27, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob A. Armstrong?
Dr. Jacob A. Armstrong is a pathologist in Houston, Texas. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Jacob A. Armstrong practice?
Dr. Armstrong practices at 6411 Fannin, Houston, TX 77030. Dr. Armstrong's primary practice is Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System. Dmand AI also links Dr. Armstrong to 1 group practice or clinic and 1 medical group.
What is Dr. Jacob A. Armstrong's office phone number?
The practice phone on file for Dr. Armstrong is (713) 704-3700.
What is Dr. Jacob A. Armstrong's medical license number?
Dr. Armstrong holds Texas license SS2720, one of the licenses on file in 2 states.
Which states has Dr. Jacob A. Armstrong been licensed in?
Dmand AI has state licenses on file for Dr. Armstrong in Texas and Louisiana.
Which hospitals is Dr. Jacob A. Armstrong affiliated with?
Dr. Armstrong practices at Memorial Hermann-Texas Medical Center in Houston, Texas.
What medical group is Dr. Jacob A. Armstrong part of?
Dr. Armstrong is linked to UTHealth Houston Department of Pathology and Laboratory Medicine. Dmand AI links Dr. Armstrong to 1 more medical group.
Does Dr. Jacob A. Armstrong accept Medicare?
Yes. CMS data shows Dr. Armstrong billed Medicare for 370 services in 2024, and Dr. Armstrong accepts Medicare assignment.
How many Medicare patients does Dr. Jacob A. Armstrong see?
CMS counts 151 Medicare patients who saw Dr. Armstrong in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. Jacob A. Armstrong bill to Medicare?
In 2024, Dr. Armstrong's most billed Medicare services were lab and pathology test (85060), lab and pathology test (88341) and lab and pathology test (88313).
Where did Dr. Jacob A. Armstrong go to medical school?
Dr. Armstrong graduated from University of Texas Medical School at Houston in 2015.
Has Dr. Jacob A. Armstrong received payments from drug or device companies?
CMS Open Payments shows $41 in general payments to Dr. Armstrong from 1 company from 2022 to 2023. The largest total came from Adaptive Biotechnologies Corporation.
How long has Dr. Jacob A. Armstrong been practicing?
Dr. Armstrong graduated from medical school in 2015, 11 years ago.
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