Dr. Martha Gillham, MD
- Medicare services, 2024
- 640
- Medicare patients, 2024
- 205
- Part D claims, 2024
- 467
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Practice address
- 800 E Chestnut St Suite 3a Suite 3a, Bellingham, WA 98225-5241
- Practice phone
- Call (360) 410-4013
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cascade Medical Advantage
Primary care practice · Bellingham, Washington
Find Dr. Gillham's professional email, personal email and mobile number
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Dr. Martha Gillham is an internist in Bellingham, Washington
Dr. Gillham practices at Cascade Medical Advantage in Bellingham, Washington.
Dr. Gillham's NPI, 1275532699, was assigned on July 18, 2005. Dr. Gillham graduated from University of Washington School of Medicine in 1995. Dr. Gillham holds Washington license MD00035167.
- NPI
- 1275532699NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113004094
- NPI enumeration date
- July 18, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (360) 410-4013
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martha Gillham practices at Cascade Medical Advantage in Bellingham, Washington
Dr. Gillham's primary practice is Cascade Medical Advantage, at 800 E Chestnut St Suite 3a Suite 3a, Bellingham, WA 98225-5241. The practice phone is (360) 410-4013.
- Cascade Medical Advantage800 E Chestnut St Suite 3a Suite 3a, Bellingham, WA 98225-5241Phone(360) 410-4013
Source: Dmand AI Affiliation Data
Dr. Martha Gillham is affiliated with 4 sites of care and 3 medical groups
Dr. Gillham's primary practice is Cascade Medical Advantage in Bellingham, Washington. Dr. Gillham is also affiliated with PeaceHealth St. Joseph Medical Center. The medical group on file is Cascade Medical Advantage. Dmand AI also links Dr. Gillham to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Martha Gillham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillham practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cascade Medical Advantage | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martha Gillham is one of 2,689 internists in Washington
Internal medicine is Dr. Gillham's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gillham is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Gillham
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. Martha Gillham billed Medicare for 640 services in 2024
CMS data shows 640 Medicare services from Dr. Gillham across 3 procedure codes in 2024, for 205 Medicare patients. Medicare paid $55,326 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gillham's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6932024: 6408%
Dr. Gillham compared with the Washington median for internists, 2024
- Dr. Gillham
- Washington median
- Medicare services
- 640vs 36476% above
- Medicare patients
- 205vs 16524% above
- Part D claims
- 200vs 18210% above
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Gillham'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. Gillham and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martha Gillham treated 205 Medicare patients in 2024, average age 77
CMS counts 205 Medicare patients who saw Dr. Gillham in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.28, 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. Gillham's median patient age at 64, with 44% women.
Dr. Gillham's Medicare patients by age, 2024
Dr. Gillham's Medicare patients by sex, 2024
- Women10451%
- Men10149%
Chronic conditions among Dr. Gillham's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease53%
- Arthritis52%
- Chronic kidney disease44%
- Mood disorders44%
- Depression42%
- Atrial fibrillation41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gillham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martha Gillham wrote 467 Medicare Part D claims in 2024
In 2024, Dr. Gillham wrote 467 Medicare Part D claims for 139 patients. 84% of them were for generic drugs. CMS names the drug for 200 of them, across 11 drugs with 11 or more claims each, at $14,055 in total drug cost. In 2023, CMS named 177 claims across 12 drugs.
Dr. Gillham's Part D claims by kind of drug, 2024
- Generic393 claims84%
- Brand-name and other74 claims16%
Dr. Gillham'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. Gillham's Part D claims, 2024
- Opioids3%15 of 467 claims
- Antibiotics10%47 of 467 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: 1772024: 20013%
Drugs named by CMS: 11 in 2024, 12 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. Martha Gillham scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Gillham for performance year 2024, reported as part of a group. Dr. Gillham accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gillham as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gillham's MIPS scores, performance year 2024
- 87of 100Final score
- 77.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Martha Gillham received $142 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Gillham from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $72.
General payments to Dr. Gillham by program year, 2016 to 2025
Companies that paid Dr. Gillham the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martha Gillham graduated from University of Washington School of Medicine
Dr. Gillham graduated from University of Washington School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martha Gillham'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)Clinician Public Reporting: Overall MIPS Performance (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. Martha Gillham
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. Martha Gillham's NPI number?
Dr. Martha Gillham's NPI number is 1275532699. It was assigned on July 18, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Martha Gillham?
Dr. Martha Gillham is an internist in Bellingham, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Martha Gillham practice?
Dr. Gillham practices at 800 E Chestnut St Suite 3a Suite 3a, Bellingham, WA 98225-5241. Dr. Gillham's primary practice is Cascade Medical Advantage in Bellingham, Washington. Dmand AI also links Dr. Gillham to 2 group practices and clinics and 2 medical groups.
What is Dr. Martha Gillham's office phone number?
The practice phone on file for Dr. Gillham is (360) 410-4013.
What is Dr. Martha Gillham's medical license number?
Dr. Gillham holds Washington license MD00035167.
Which hospitals is Dr. Martha Gillham affiliated with?
Dr. Gillham is affiliated with PeaceHealth St. Joseph Medical Center.
What medical group is Dr. Martha Gillham part of?
Dr. Gillham is linked to Cascade Medical Advantage. Dmand AI links Dr. Gillham to 2 more medical groups.
Does Dr. Martha Gillham accept Medicare?
Yes. CMS data shows Dr. Gillham billed Medicare for 640 services in 2024, and Dr. Gillham accepts Medicare assignment.
Does Dr. Martha Gillham offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gillham as offering telehealth services.
What is Dr. Martha Gillham's MIPS score?
Dr. Gillham's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Martha Gillham see?
CMS counts 205 Medicare patients who saw Dr. Gillham in 2024, with an average age of 77.
What services does Dr. Martha Gillham bill to Medicare?
In 2024, Dr. Gillham's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
Where did Dr. Martha Gillham go to medical school?
Dr. Gillham graduated from University of Washington School of Medicine in 1995.
What drugs does Dr. Martha Gillham prescribe most?
In 2024 Medicare Part D data, Dr. Gillham's most prescribed drugs by claims were Buprenorphine-Naloxone, Albuterol Sulfate Hfa and Pantoprazole Sodium.
Has Dr. Martha Gillham received payments from drug or device companies?
CMS Open Payments shows $142 in general payments to Dr. Gillham from 5 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Martha Gillham been practicing?
Dr. Gillham graduated from medical school in 1995, 31 years ago.
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