Dr. Marcus Guy Tomberlin, MD
- Medicare services, 2024
- 452
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 312
- Hospital affiliations
- 2
- Industry payments
- $79
- Practice address
- 2901 Squalicum Parkway, Bellingham, WA 98225
- Practice phone
- Call (360) 734-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tomberlin's professional email, personal email and mobile number
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Dr. Marcus Guy Tomberlin is an infectious disease specialist in Bellingham, Washington
Dr. Tomberlin practices at PeaceHealth St. Joseph Medical Center in Bellingham, Washington, part of PeaceHealth.
Dr. Tomberlin's NPI, 1750349486, was assigned on May 2, 2006. Dr. Tomberlin graduated from Wake Forest University School of Medicine in 1987. Dr. Tomberlin holds Washington license MD00044613.
- NPI
- 1750349486NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799754313
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Practice phone
- (360) 734-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Marcus Guy Tomberlin practices at PeaceHealth St. Joseph Medical Center in Bellingham, Washington
Dr. Tomberlin's primary practice is PeaceHealth St. Joseph Medical Center, at 2901 Squalicum Parkway, Bellingham, WA 98225 in Whatcom County. The practice phone is (360) 734-5400.
- PeaceHealth St. Joseph Medical Center2901 Squalicum Parkway, Bellingham, WA 98225 · Whatcom CountyPhone(360) 734-5400
Source: Dmand AI Affiliation Data
Dr. Marcus Guy Tomberlin is affiliated with 3 sites of care and 1 medical group
Dr. Tomberlin's primary practice is PeaceHealth St. Joseph Medical Center in Bellingham, Washington, part of PeaceHealth. The medical group on file is PeaceHealth Medical Group. Dmand AI also links Dr. Tomberlin to 1 more hospital and 1 group practice or clinic, 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. Marcus Guy Tomberlin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tomberlin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PeaceHealth St. Joseph Medical Center | Available with a free account |
| +2 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 PeaceHealth and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marcus Guy Tomberlin is one of 218 infectious disease specialists in Washington
Infectious disease is Dr. Tomberlin's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Tomberlin is licensed in Washington.
Specialties and state licenses
- Infectious disease, WashingtonPrimary
Infectious disease specialists near Dr. Tomberlin
Counts of infectious disease specialists 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. Marcus Guy Tomberlin billed Medicare for 452 services in 2024
CMS data shows 452 Medicare services from Dr. Tomberlin across 10 procedure codes in 2024, for 168 Medicare patients. Medicare paid $34,125 for them.
Dr. Tomberlin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3262024: 35710%
- Surgery
- 2023: 772024: 726%
- Other services
- 2023: 322024: 2328%
Where Dr. Tomberlin's Medicare services took place, 2024
- In an office19944%
- In a facility25356%
Dr. Tomberlin compared with the Washington median for infectious disease specialists, 2024
- Dr. Tomberlin
- Washington median
- Medicare services
- 452vs 2012.2 times
- Medicare patients
- 168vs 9970% above
- Part D claims
- 205vs 17815% above
Medians across 213 infectious disease specialists in Washington with Dmand AI profiles that report each measure.
Dr. Tomberlin'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. Tomberlin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tomberlin and other infectious disease specialists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marcus Guy Tomberlin treated 168 Medicare patients in 2024, average age 75
CMS counts 168 Medicare patients who saw Dr. Tomberlin in 2024. The largest group is 75 to 84, with 80 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.08, 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. Tomberlin's median patient age at 71, with 50% women.
Dr. Tomberlin's Medicare patients by age, 2024
Dr. Tomberlin's Medicare patients by sex, 2024
- Women6136%
- Men10764%
Chronic conditions among Dr. Tomberlin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis54%
- Ischemic heart disease48%
- Diabetes39%
- Mood disorders39%
- Chronic kidney disease38%
- Heart failure38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tomberlin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marcus Guy Tomberlin wrote 312 Medicare Part D claims in 2024
In 2024, Dr. Tomberlin wrote 312 Medicare Part D claims for 80 patients. 87% of them were for generic drugs. CMS names the drug for 205 of them, across 11 drugs with 11 or more claims each, at $71,014 in total drug cost. In 2023, CMS named 164 claims across 9 drugs.
Dr. Tomberlin's Part D claims by kind of drug, 2024
- Generic272 claims87%
- Brand-name40 claims13%
Dr. Tomberlin'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. Tomberlin's Part D claims, 2024
- Antibiotics87%271 of 312 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: 1642024: 20525%
Drugs named by CMS: 11 in 2024, 9 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. Marcus Guy Tomberlin ranks in the 75th percentile for removal of tissue in Medicare
CMS counts 34 procedures of removal of tissue by Dr. Tomberlin, more than 75% of the clinicians it reports for that procedure.
Where Dr. Tomberlin ranks in Medicare procedure volume
- Removal of tissue
- 75th percentile34 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Marcus Guy Tomberlin received $79 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Tomberlin from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $68.
General payments to Dr. Tomberlin by program year, 2016 to 2025
Companies that paid Dr. Tomberlin 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. Marcus Guy Tomberlin graduated from Wake Forest University School of Medicine
Dr. Tomberlin graduated from Wake Forest University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marcus Guy Tomberlin'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) |
| 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 Utilization Data (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. Marcus Guy Tomberlin
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. Marcus Guy Tomberlin's NPI number?
Dr. Marcus Guy Tomberlin's NPI number is 1750349486. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marcus Guy Tomberlin?
Dr. Marcus Guy Tomberlin is an infectious disease specialist in Bellingham, Washington. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Marcus Guy Tomberlin practice?
Dr. Tomberlin practices at 2901 Squalicum Parkway, Bellingham, WA 98225. Dr. Tomberlin's primary practice is PeaceHealth St. Joseph Medical Center in Bellingham, Washington, part of PeaceHealth. Dmand AI also links Dr. Tomberlin to 1 hospital and 1 group practice or clinic.
What is Dr. Marcus Guy Tomberlin's office phone number?
The practice phone on file for Dr. Tomberlin is (360) 734-5400.
What is Dr. Marcus Guy Tomberlin's medical license number?
Dr. Tomberlin holds Washington license MD00044613.
Which hospitals is Dr. Marcus Guy Tomberlin affiliated with?
Dr. Tomberlin practices at PeaceHealth St. Joseph Medical Center in Bellingham, Washington. Dmand AI links Dr. Tomberlin to 1 more hospital.
What medical group is Dr. Marcus Guy Tomberlin part of?
Dr. Tomberlin is linked to PeaceHealth Medical Group.
Does Dr. Marcus Guy Tomberlin accept Medicare?
Yes. CMS data shows Dr. Tomberlin billed Medicare for 452 services in 2024.
How many Medicare patients does Dr. Marcus Guy Tomberlin see?
CMS counts 168 Medicare patients who saw Dr. Tomberlin in 2024, with an average age of 75.
What services does Dr. Marcus Guy Tomberlin bill to Medicare?
In 2024, Dr. Tomberlin's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and surgery: skin and soft tissue (11042).
Show 4 more questionsShow fewer questions
Where did Dr. Marcus Guy Tomberlin go to medical school?
Dr. Tomberlin graduated from Wake Forest University School of Medicine in 1987.
What drugs does Dr. Marcus Guy Tomberlin prescribe most?
In 2024 Medicare Part D data, Dr. Tomberlin's most prescribed drugs by claims were Vancomycin HCl, Doxycycline Monohydrate and Teflaro.
Has Dr. Marcus Guy Tomberlin received payments from drug or device companies?
CMS Open Payments shows $79 in general payments to Dr. Tomberlin from 2 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Marcus Guy Tomberlin been practicing?
Dr. Tomberlin graduated from medical school in 1987, 39 years ago.
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