John E. Lammers, M.D.
Geriatric Medicine (Internal Medicine) Physician · Mobile, AL
John E. Lammers, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Mobile, Alabama, and NPI 1639128937, issued on May 6, 2006. Check the license (Alabama 11874, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John E. Lammers
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 11874 AL
01041213A IN
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Spring Hill Ave, Mobile, AL 36607
- Phone
- (251) 287-8420
- Enumerated
- May 6, 2006
- Record last updated
- Dec 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (251) 287-8477
- Medicaid ID
- 100217340 IN
- Medicare enrollment
- Enrolled (PECOS I20220422001822); accepts Medicare assignment
- Medical or professional school
- University Of South Alabama College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 42 in Alabama → Look up another NPI →
Also registered at 2900 Spring Hill Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Alvis, R.N.Registered Nurse1487006904
- Aleta Beaver, L.C.S.W.Clinical Social Worker1912263971
- Mary BrabnerRegistered Nurse1740695683
- Juanita Brooks, LPNLicensed Practical Nurse1124435482
- Carolyn Brown, CDM, CFPPDietary Manager1407264120
- Neshia ClaiborneMedical Technologist1790161487
Verify John E. Lammers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 11874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
80 Medicare Part D claims for 44 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Gabapentin12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- USA Health Physician Billing Services LLCMobile, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John E. Lammers among 42 geriatric medicine (internal medicine) physician records in Alabama
John E. Lammers, M.D. is one of 42 geriatric medicine (internal medicine) physician records with a practice address in Alabama. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 36% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1982 · median 2001 among the 22 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Alabama
There are 42 geriatric medicine (internal medicine) physician records in Alabama.
All 42 in Alabama → Every provider in Mobile → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Marcia Littles, M.D.Mobile, AL 366081205880093
- Juanita Heersink, M.D.Dothan, AL 363051659661874
- Igor Bidikov, MDHeflin, AL 362641649247545
- Joel Bolen, MDMontgomery, AL 361061063576130
- Jaehneth Ewell-Taylor, M.D.Tuskegee, AL 360831568564292
- Shalini Goswami, M.D.Prattville, AL 360661730290693
- Malavika Shah, M.D.Walnut Grove, AL 359901639129430
- Rodney Holladay, M.D.Huntsville, AL 358011881679488
Common questions
What is John E. Lammers, M.D.'s NPI number?
John E. Lammers, M.D.'s National Provider Identifier (NPI) is 1639128937, issued on May 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John E. Lammers, M.D. located?
The NPPES record lists a practice address at 2900 Spring Hill Ave, Mobile, AL, 36607. Phone: (251) 287-8420. Providers update this record themselves, so call before visiting.
How can I verify John E. Lammers, M.D.'s license?
NPPES lists Alabama license number 11874, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John E. Lammers, M.D. prescribe under Medicare Part D?
In 2024, John E. Lammers, M.D. had 80 Medicare Part D claims for 44 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is John E. Lammers, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.