Alexander K. Mammen, M.D.
Family Medicine Physician · Saint Louis, MO
Alexander K. Mammen, M.D. is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1609874734, issued on Jul 12, 2005. Check the license (Missouri 36849, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Alexander K. Mammen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36849 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4530 Lemay Ferry RD, Saint Louis, MO 63129
- Phone
- (314) 487-8724
- Enumerated
- Jul 12, 2005
- Record last updated
- Oct 16, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (314) 487-0443
- Medicare enrollment
- Enrolled (PECOS I20040624000153); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Verify Alexander K. Mammen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 36849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average family medicine physician in 2024
5,558 Medicare Part D claims for 290 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 117 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium271 claims
- Simvastatin235 claims
- Metformin Hcl Er207 claims
- Atorvastatin Calcium179 claims
- Metoprolol Succinate142 claims
- Amlodipine Besylate140 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.
Industry payments in 2024: $157.03
1 payment: food and beverage; the largest payer was Procept BioRobotics Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Alexander K. Mammen among 2,991 family medicine physician records in Missouri
Alexander K. Mammen, M.D. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1983 · median 2006 among the 1,778 with a school on file
- Record last updated2017 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Missouri
There are 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Saint Louis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kevin Brennan, DOOakville, MO 631291679215016
- Andrew Bryant, MDSaint Louis, MO 631291982044327
- Andrew Grabowski, DOSaint Louis, MO 631291093714917
- Alexander Mazzaferro, M.D.Saint Louis, MO 631291982017786
- Alejandro Ojascastro, M.D.Saint Louis, MO 631291154437994
- Jay Shah, MDSaint Louis, MO 631291366632440
- Stephen Staten, MDSaint Louis, MO 631291457351363
- Donna Wagstaff, MDSaint Louis, MO 631291326030586
Common questions
What is Alexander K. Mammen, M.D.'s NPI number?
Alexander K. Mammen, M.D.'s National Provider Identifier (NPI) is 1609874734, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alexander K. Mammen, M.D. located?
The NPPES record lists a practice address at 4530 Lemay Ferry RD, Saint Louis, MO, 63129. Phone: (314) 487-8724. Providers update this record themselves, so call before visiting.
How can I verify Alexander K. Mammen, M.D.'s license?
NPPES lists Missouri license number 36849, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexander K. Mammen, M.D. prescribe under Medicare Part D?
In 2024, Alexander K. Mammen, M.D. had 5,558 Medicare Part D claims for 290 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.