Dr. Thomas Chege Macharia, MD
- Medicare services, 2024
- 719
- Medicare patients, 2024
- 273
- Part D claims, 2024
- 10,946
- Hospital affiliations
- 5
- Industry payments
- $25
- Practice address
- PO Box 151, Presque Isle, ME 04769
- Practice phone
- Call (207) 768-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Macharia'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.
Dr. Thomas Chege Macharia is an internist in Presque Isle, Maine
Dr. Macharia practices at Northern Light AR Gould Hospital in Presque Isle, Maine, part of Northern Light Health.
Dr. Macharia's NPI, 1881853919, was assigned on June 4, 2008. Dr. Macharia holds Maine license MD19963.
- NPI
- 1881853919NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163655705
- NPI enumeration date
- June 4, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (207) 768-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Chege Macharia practices at 2 locations in Presque Isle, Maine
Dr. Macharia's primary practice is Northern Light AR Gould Hospital, at PO Box 151, Presque Isle, ME 04769 in Aroostook County. The practice phone is (207) 768-4000. Dr. Macharia also practices at Northern Light AR Gould Hospital, 140 Academy St, Presque Isle, ME 04769.
- Northern Light AR Gould HospitalPrimaryPO Box 151, Presque Isle, ME 04769 · Aroostook CountyPhone(207) 768-4000
- Northern Light AR Gould Hospital140 Academy St, Presque Isle, ME 04769 · Aroostook CountyPhone(207) 768-4000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Thomas Chege Macharia is affiliated with 8 sites of care and 1 medical group
Dr. Macharia's primary practice is Northern Light AR Gould Hospital in Presque Isle, Maine, part of Northern Light Health. Dr. Macharia is also affiliated with Northern Light Eastern Maine Medical Center. The medical group on file is Northern Light AR Gould Hospital. Dmand AI also links Dr. Macharia to 3 more hospitals, 1 dialysis center, 1 home health agency and 1 hospice, each named with a free account. Dr. Macharia's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Chege Macharia's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Macharia practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Light AR Gould Hospital | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northern Light Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas Chege Macharia is one of 572 internists in Maine
Internal medicine is Dr. Macharia's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Macharia is licensed in Maine.
Specialties and state licenses
- Internal medicine, MainePrimary
Internists near Dr. Macharia
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. Thomas Chege Macharia billed Medicare for 719 services in 2024
CMS data shows 719 Medicare services from Dr. Macharia across 5 procedure codes in 2024, for 273 Medicare patients. Medicare paid $27,604 for them.
Dr. Macharia's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5042024: 5519%
- Other services
- 2023: 1952024: 16814%
Where Dr. Macharia's Medicare services took place, 2024
- In an office21930%
- In a facility50070%
Dr. Macharia compared with the Maine median for internists, 2024
- Dr. Macharia
- Maine median
- Medicare services
- 719vs 3142.3 times
- Medicare patients
- 273vs 15477% above
- Part D claims
- 10,067vs 21147.7 times
Medians across 600 internists in Maine with Dmand AI profiles that report each measure.
Dr. Macharia'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.
Need commercial claims for Dr. Macharia?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Macharia and other internists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Chege Macharia treated 273 Medicare patients in 2024, average age 75
CMS counts 273 Medicare patients who saw Dr. Macharia in 2024. The largest group is 75 to 84, with 110 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.63, 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. Macharia's median patient age at 62, with 47% women.
Dr. Macharia's Medicare patients by age, 2024
Dr. Macharia's Medicare patients by sex, 2024
- Women8431%
- Men18969%
Chronic conditions among Dr. Macharia's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes40%
- Ischemic heart disease34%
- Atrial fibrillation29%
- Chronic kidney disease29%
- COPD28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Macharia's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Chege Macharia wrote 10,946 Medicare Part D claims in 2024
In 2024, Dr. Macharia wrote 10,946 Medicare Part D claims for 691 patients. 81% of them were for generic drugs. CMS names the drug for 10,067 of them, across 149 drugs with 11 or more claims each, at $1,833,024 in total drug cost. In 2023, CMS named 8,859 claims across 141 drugs.
Dr. Macharia's Part D claims by kind of drug, 2024
- Generic8,907 claims81%
- Brand-name1,943 claims18%
- Other96 claims1%
Dr. Macharia'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. Macharia's Part D claims, 2024
- Opioids2%245 of 10,946 claims
- Antibiotics1%125 of 10,946 claims
- Antipsychotics, patients 65 and over0%47 of 10,946 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: 8,8592024: 10,06714%
Drugs named by CMS: 149 in 2024, 141 in 2023.
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
Dr. Thomas Chege Macharia offers telehealth to Medicare patients
Dr. Macharia accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Macharia as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Thomas Chege Macharia received $25 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Macharia from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $13.
General payments to Dr. Macharia by program year, 2017 to 2018
Companies that paid Dr. Macharia the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas Chege Macharia'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Thomas Chege Macharia
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. Thomas Chege Macharia's NPI number?
Dr. Thomas Chege Macharia's NPI number is 1881853919. It was assigned on June 4, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Chege Macharia?
Dr. Thomas Chege Macharia is an internist in Presque Isle, Maine. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thomas Chege Macharia practice?
Dr. Macharia practices at PO Box 151, Presque Isle, ME 04769. Dr. Macharia also practices at 140 Academy St, Presque Isle, ME 04769. Dr. Macharia's primary practice is Northern Light AR Gould Hospital in Presque Isle, Maine, part of Northern Light Health. Dmand AI also links Dr. Macharia to 3 hospitals, 1 dialysis center, 1 home health agency and 1 hospice.
What is Dr. Thomas Chege Macharia's office phone number?
The practice phone on file for Dr. Macharia is (207) 768-4000.
What is Dr. Thomas Chege Macharia's medical license number?
Dr. Macharia holds Maine license MD19963.
Which hospitals is Dr. Thomas Chege Macharia affiliated with?
Dr. Macharia practices at Northern Light AR Gould Hospital in Presque Isle, Maine. Dr. Macharia is also affiliated with Northern Light Eastern Maine Medical Center. Dmand AI links Dr. Macharia to 3 more hospitals.
What medical group is Dr. Thomas Chege Macharia part of?
Dr. Macharia is linked to Northern Light AR Gould Hospital.
Does Dr. Thomas Chege Macharia accept Medicare?
Yes. CMS data shows Dr. Macharia billed Medicare for 719 services in 2024, and Dr. Macharia accepts Medicare assignment.
Does Dr. Thomas Chege Macharia offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Macharia as offering telehealth services.
How many Medicare patients does Dr. Thomas Chege Macharia see?
CMS counts 273 Medicare patients who saw Dr. Macharia in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Thomas Chege Macharia bill to Medicare?
In 2024, Dr. Macharia's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
What drugs does Dr. Thomas Chege Macharia prescribe most?
In 2024 Medicare Part D data, Dr. Macharia's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Amlodipine Besylate.
Has Dr. Thomas Chege Macharia received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Dr. Macharia from 2 companies from 2017 to 2018. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Thomas Chege Macharia been practicing?
Dr. Macharia graduated from medical school in 1998, 28 years ago.
Selling to internal medicine practices?
See internists in Maine 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