Dr. Gary William Lambert, DO
- Medicare services, 2024
- 5,979
- Medicare patients, 2024
- 624
- Part D claims, 2024
- 30,348
- MIPS score, 2024
- 36
- Hospital affiliations
- 4
- Practice address
- 300 Rockefeller Drive, Muskogee, OK 74401
- Practice phone
- Call (918) 682-5501
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lambert'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. Gary William Lambert is a family medicine physician in Muskogee, Oklahoma
Dr. Lambert practices at Saint Francis Hospital Muskogee in Muskogee, Oklahoma, part of Saint Francis Health System.
Dr. Lambert's NPI, 1619068715, was assigned on September 27, 2006. Dr. Lambert graduated from Oklahoma State University College of Osteopathic Medicine in 1978. Dr. Lambert holds Oklahoma license 1950.
- NPI
- 1619068715NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860306768
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (918) 682-5501
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary William Lambert practices at Saint Francis Hospital Muskogee in Muskogee, Oklahoma
Dr. Lambert's primary practice is Saint Francis Hospital Muskogee, at 300 Rockefeller Drive, Muskogee, OK 74401 in Muskogee County. The practice phone is (918) 682-5501.
- Saint Francis Hospital Muskogee300 Rockefeller Drive, Muskogee, OK 74401 · Muskogee CountyPhone(918) 682-5501
Source: Dmand AI Affiliation Data
Dr. Gary William Lambert is affiliated with 16 sites of care and 2 medical groups
Dr. Lambert's primary practice is Saint Francis Hospital Muskogee in Muskogee, Oklahoma, part of Saint Francis Health System. Dr. Lambert is also affiliated with Saint Francis Hospital. The medical group on file is Diagnostic Imaging Associates. Dmand AI also links Dr. Lambert to 2 more hospitals, 5 home health agencies, 4 skilled nursing facilities, 1 clinical lab, 1 group practice or clinic, 1 hospice 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. Gary William Lambert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lambert practices, 16 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Francis Hospital Muskogee | Available with a free account |
| +15 more sites and 1 medical group | 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 Saint Francis Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gary William Lambert is one of 1,964 family medicine physicians in Oklahoma
Family medicine is Dr. Lambert's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Lambert is licensed in Oklahoma.
Specialties and state licenses
- Family medicine, OklahomaPrimary
Family medicine physicians near Dr. Lambert
Counts of family medicine physicians 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. Gary William Lambert billed Medicare for 5,979 services in 2024
CMS data shows 5,979 Medicare services from Dr. Lambert across 28 procedure codes in 2024, for 624 Medicare patients. Medicare paid $203,618 for them.
Dr. Lambert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4,1272024: 3,45216%
- Tests and treatments
- 2023: 8652024: 76012%
- Surgery
- 2023: 6162024: 5806%
- Drugs given in the office
- 2023: 5342024: 47411%
- Lab and pathology
- 2023: 4832024: 31535%
- Imaging
- 2023: 2682024: 22317%
- Other services
- 2023: 2612024: 17533%
Where Dr. Lambert's Medicare services took place, 2024
- In an office4,73779%
- In a facility1,24221%
Dr. Lambert compared with the Oklahoma median for family medicine physicians, 2024
- Dr. Lambert
- Oklahoma median
- Medicare services
- 5,979vs 49512.1 times
- Medicare patients
- 624vs 1743.6 times
- Part D claims
- 29,493vs 1,19724.6 times
Medians across 1,938 family medicine physicians in Oklahoma with Dmand AI profiles that report each measure.
Dr. Lambert'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary William Lambert treated 624 Medicare patients in 2024, average age 77
CMS counts 624 Medicare patients who saw Dr. Lambert in 2024. The largest group is 75 to 84, with 220 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.83, 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. Lambert's median patient age at 71, with 57% women.
Dr. Lambert's Medicare patients by age, 2024
Dr. Lambert's Medicare patients by sex, 2024
- Women35256%
- Men27244%
Chronic conditions among Dr. Lambert's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Anxiety42%
- Chronic kidney disease42%
- Diabetes42%
- Ischemic heart disease41%
- Depression38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lambert'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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary William Lambert wrote 30,348 Medicare Part D claims in 2024
In 2024, Dr. Lambert wrote 30,348 Medicare Part D claims for 855 patients. 83% of them were for generic drugs. CMS names the drug for 29,493 of them, across 265 drugs with 11 or more claims each, at $2,377,211 in total drug cost. In 2023, CMS named 26,318 claims across 252 drugs.
Dr. Lambert's Part D claims by kind of drug, 2024
- Generic25,304 claims83%
- Brand-name4,942 claims16%
- Other102 claims0%
Dr. Lambert'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. Lambert's Part D claims, 2024
- Opioids4%1,110 of 30,348 claims
- Antibiotics3%973 of 30,348 claims
- Antipsychotics, patients 65 and over1%239 of 30,348 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: 26,3182024: 29,49312%
Drugs named by CMS: 265 in 2024, 252 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. Gary William Lambert scored 36 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 36 out of 100 for Dr. Lambert for performance year 2024, reported individually. Dr. Lambert accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 30 procedures of removal of skin lesions by Dr. Lambert, more than 68% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Lambert's MIPS scores, performance year 2024
- 36of 100Final score
- 15of 100Quality
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Lambert ranks in Medicare procedure volume
- Removal of skin lesions
- 68th percentile30 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gary William Lambert received $94 in industry payments from 2016 to 2021
CMS Open Payments shows 5 general payments to Dr. Lambert from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 68% of the total. Sunovion Pharmaceuticals Inc. paid the most, $37.
General payments to Dr. Lambert by program year, 2016 to 2021
General payments to Dr. Lambert by kind, 2016 to 2021
- Food and beverage$6468%
- Education$3032%
Companies that paid Dr. Lambert the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary William Lambert graduated from Oklahoma State University College of Osteopathic Medicine
Dr. Lambert graduated from Oklahoma State University College of Osteopathic Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary William Lambert'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 National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)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. Gary William Lambert
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. Gary William Lambert's NPI number?
Dr. Gary William Lambert's NPI number is 1619068715. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary William Lambert?
Dr. Gary William Lambert is a family medicine physician in Muskogee, Oklahoma. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gary William Lambert practice?
Dr. Lambert practices at 300 Rockefeller Drive, Muskogee, OK 74401. Dr. Lambert's primary practice is Saint Francis Hospital Muskogee in Muskogee, Oklahoma, part of Saint Francis Health System. Dmand AI also links Dr. Lambert to 2 hospitals, 5 home health agencies, 4 skilled nursing facilities, 1 clinical lab, 1 group practice or clinic, 1 hospice and 1 medical group.
What is Dr. Gary William Lambert's office phone number?
The practice phone on file for Dr. Lambert is (918) 682-5501.
What is Dr. Gary William Lambert's medical license number?
Dr. Lambert holds Oklahoma license 1950.
Which hospitals is Dr. Gary William Lambert affiliated with?
Dr. Lambert practices at Saint Francis Hospital Muskogee in Muskogee, Oklahoma. Dr. Lambert is also affiliated with Saint Francis Hospital. Dmand AI links Dr. Lambert to 2 more hospitals.
What medical group is Dr. Gary William Lambert part of?
Dr. Lambert is linked to Diagnostic Imaging Associates. Dmand AI links Dr. Lambert to 1 more medical group.
Does Dr. Gary William Lambert accept Medicare?
Yes. CMS data shows Dr. Lambert billed Medicare for 5,979 services in 2024, and Dr. Lambert accepts Medicare assignment.
What is Dr. Gary William Lambert's MIPS score?
Dr. Lambert's MIPS final score for performance year 2024 is 36 out of 100, reported individually.
How many Medicare patients does Dr. Gary William Lambert see?
CMS counts 624 Medicare patients who saw Dr. Lambert in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Gary William Lambert bill to Medicare?
In 2024, Dr. Lambert's most billed Medicare services were nursing facility care (99307), nursing facility care (99308) and office visit, established patient (99214).
Where did Dr. Gary William Lambert go to medical school?
Dr. Lambert graduated from Oklahoma State University College of Osteopathic Medicine in 1978.
What drugs does Dr. Gary William Lambert prescribe most?
In 2024 Medicare Part D data, Dr. Lambert's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Furosemide.
Has Dr. Gary William Lambert received payments from drug or device companies?
CMS Open Payments shows $94 in general payments to Dr. Lambert from 4 companies from 2016 to 2021. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Gary William Lambert been practicing?
Dr. Lambert graduated from medical school in 1978, 48 years ago.
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