Dr. Thomas Lanfear Griffiths, MD
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 47
- Hospital affiliations
- 2
- Industry payments
- $325
- Medical groups
- 8
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Griffiths' 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 Lanfear Griffiths is an anesthesiologist in Grand Rapids, Michigan
Dr. Griffiths practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Griffiths' NPI, 1811217250, was assigned on June 8, 2010. Dr. Griffiths holds Colorado license DR.0059924.
- NPI
- 1811217250NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981869872
- NPI enumeration date
- June 8, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Thomas Lanfear Griffiths practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Griffiths' primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. Thomas Lanfear Griffiths is affiliated with 4 sites of care and 8 medical groups
Dr. Griffiths' primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Griffiths is also affiliated with Billings Clinic Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Griffiths to 7 more medical groups, 1 group practice or clinic and 1 ambulatory surgery center, 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. Thomas Lanfear Griffiths' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Griffiths practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +3 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Lanfear Griffiths is one of 1,302 anesthesiologists in Michigan
Anesthesiology is Dr. Griffiths' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Griffiths' licenses on file in 2 states: Colorado and California.
Specialties and state licenses
- Anesthesiology, ColoradoPrimary
- California license
Anesthesiologists near Dr. Griffiths
Counts of anesthesiologists 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 Lanfear Griffiths billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Griffiths across 1 procedure code in 2024, for 47 Medicare patients. Medicare paid $407 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Griffiths compared with the Michigan median for anesthesiologists, 2024
- Dr. Griffiths
- Michigan median
- Medicare services
- 12vs 8987% below
- Medicare patients
- 47vs 17773% below
Medians across 1,283 anesthesiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Griffiths' 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. Griffiths?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Griffiths and other anesthesiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Lanfear Griffiths treated 47 Medicare patients in 2024, average age 73
CMS counts 47 Medicare patients who saw Dr. Griffiths in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Griffiths' median patient age at 66, with 44% women.
Dr. Griffiths' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Griffiths' Medicare patients by sex, 2024
- Women1940%
- Men2860%
Chronic conditions among Dr. Griffiths' Medicare patients, 2024
- High blood pressure75%
- High cholesterol64%
- Ischemic heart disease60%
- Atrial fibrillation43%
- Heart failure43%
- Arthritis40%
- COPD30%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Griffiths' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Thomas Lanfear Griffiths takes part in Medicare
Dr. Griffiths 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. Thomas Lanfear Griffiths received $325 in industry payments from 2018 to 2025
CMS Open Payments shows 4 general payments to Dr. Griffiths from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $115.
General payments to Dr. Griffiths by program year, 2018 to 2025
Companies that paid Dr. Griffiths the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas Lanfear Griffiths'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) |
| 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 Lanfear Griffiths
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 Lanfear Griffiths' NPI number?
Dr. Thomas Lanfear Griffiths' NPI number is 1811217250. It was assigned on June 8, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Lanfear Griffiths?
Dr. Thomas Lanfear Griffiths is an anesthesiologist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Thomas Lanfear Griffiths practice?
Dr. Griffiths practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Griffiths' primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Griffiths to 7 medical groups, 1 group practice or clinic and 1 ambulatory surgery center.
What is Dr. Thomas Lanfear Griffiths' office phone number?
The practice phone on file for Dr. Griffiths is (616) 391-1774.
What is Dr. Thomas Lanfear Griffiths' medical license number?
Dr. Griffiths holds Colorado license DR.0059924, one of the licenses on file in 2 states.
Which states has Dr. Thomas Lanfear Griffiths been licensed in?
Dmand AI has state licenses on file for Dr. Griffiths in Colorado and California.
Which hospitals is Dr. Thomas Lanfear Griffiths affiliated with?
Dr. Griffiths practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Griffiths is also affiliated with Billings Clinic Hospital.
What medical group is Dr. Thomas Lanfear Griffiths part of?
Dr. Griffiths is linked to Corewell Health Medical Group West. Dmand AI links Dr. Griffiths to 7 more medical groups.
Does Dr. Thomas Lanfear Griffiths accept Medicare?
Yes. CMS data shows Dr. Griffiths billed Medicare for 12 services in 2024, and Dr. Griffiths accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Lanfear Griffiths see?
CMS counts 47 Medicare patients who saw Dr. Griffiths in 2024, with an average age of 73.
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What services does Dr. Thomas Lanfear Griffiths bill to Medicare?
In 2024, Dr. Griffiths' most billed Medicare services were surgery: heart and blood vessels (36620).
Has Dr. Thomas Lanfear Griffiths received payments from drug or device companies?
CMS Open Payments shows $325 in general payments to Dr. Griffiths from 4 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Thomas Lanfear Griffiths been practicing?
Dr. Griffiths graduated from medical school in 2008, 18 years ago.
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