Rachel Susanna Darken, MD
Neurology Physician · Saint Louis, MO
Rachel Susanna Darken, MD is a neurology physician with a practice address in Saint Louis, Missouri, and NPI 1134248891, issued on Mar 27, 2007. Check the license (Missouri 2009009698, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rachel Susanna Darken
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 2009009698 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1600 S Brentwood Blvd, Saint Louis, MO 63144
- Phone
- (314) 362-1408
- Enumerated
- Mar 27, 2007
- Record last updated
- Apr 17, 2025
- Fax
- (314) 747-4342
- Medicaid ID
- 204244800 MO
- Medicare enrollment
- Enrolled (PECOS I20100909000753); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 484 in Missouri → Look up another NPI →
Also registered at 1600 S Brentwood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nazik Abuelgasim, MDNeurology Physician1912494287
- Susan Adams, M.D.Pediatrics Physician1437112570
- Amy Bertelson, PHDClinical Psychologist1942226188
- Jean Birmingham, M.D.Pediatrics Physician1063475523
- Afoussatou Boire, ANPAdult Health Nurse Practitioner1013253970
- Meghann Branham, AGNPAdult Health Nurse Practitioner1306304605
Verify Rachel Susanna Darken 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 2009009698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average neurology physician in 2024
1,456 Medicare Part D claims for 197 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 54 claims were for opioids.
Most prescribed
- Rizatriptan112 claims
- Pregabalin87 claims
- Gabapentin84 claims
- Sumatriptan Succinate70 claims
- Emgality Pen69 claims
- Ubrelvy68 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): 79.3 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).
Industry payments in 2024: $289.69
13 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel Susanna Darken among 484 neurology physician records in Missouri
Rachel Susanna Darken, MD is one of 484 neurology physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 57% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2004 · median 2006 among the 285 with a school on file
- Record last updated2025 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Missouri
There are 484 neurology physician records in Missouri.
All 484 in Missouri → Every provider in Saint Louis → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Nazik Abuelgasim, MDSaint Louis, MO 631441912494287
- Luqi Chi, MDSaint Louis, MO 631441902090558
- Syed Shabee Hassan, MDSaint Louis, MO 631441174176226
- Derek Holder, MDSaint Louis, MO 631441356616494
- Yo-El Ju, MDSaint Louis, MO 631441528280393
- Bala Naveen Kakaraparthi, DOSaint Louis, MO 631441760125025
- Amy Licis, MDSaint Louis, MO 631441992914352
- Guang Hao Liu, MD PHDSaint Louis, MO 631441255954574
Common questions
What is Rachel Susanna Darken, MD's NPI number?
Rachel Susanna Darken, MD's National Provider Identifier (NPI) is 1134248891, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Susanna Darken, MD located?
The NPPES record lists a practice address at 1600 S Brentwood Blvd, Saint Louis, MO, 63144. Phone: (314) 362-1408. Providers update this record themselves, so call before visiting.
How can I verify Rachel Susanna Darken, MD's license?
NPPES lists Missouri license number 2009009698, 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 Rachel Susanna Darken, MD prescribe under Medicare Part D?
In 2024, Rachel Susanna Darken, MD had 1,456 Medicare Part D claims for 197 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Rachel Susanna Darken, MD's MIPS final score?
The 2023 MIPS final score is 79.3 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.