Physician Profile
Rachel S. Darken, MD
Unclaimed ProfileAbout Dr. Darken
Based in Saint Louis, MO, Rachel S. Darken, MD is listed in the NPI registry under sleep medicine. Rachel graduated from Js Weill Medical College, Cornell University in 2004. Rachel is also listed as specializing in neurology. Medicare claims data shows Rachel provided 35,775 services to 448 patients. The services billed most often include injection, onabotulinumtoxina, 1 unit, injection of chemical for paralysis of facial and neck nerve muscles on both sides of face, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'. NPI 1134248891 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (314) 362-1408
- Email not available
Practice Locations
1600 S BRENTWOOD BLVD DIV NEUROLOGY SLEEP MED, STE 600
Saint Louis, MO 63144
Conditions Commonly Evaluated or Treated
Within Sleep Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Breathing disruption
Circadian rhythm
- Antisocial personality disorder
- Delayed Sleep Phase
- Irregular Sleep-Wake Schedule
- Jet Lag Disorder
- Non-24-Hour Body Clock
- Shift Work Sleep Problems
- Sleep problems
Daytime alertness
- Daytime Exhaustion
- Excessive daytime sleepiness
- Excessive Sleeping
- Sleep Grogginess
- Sudden Muscle Weakness When Laughing
Excessive sleepiness
General sleep
General symptoms
Hormonal sleep
Insomnia & anxiety
Movement disorders
Neurological sleep
Parasomnia
- Acting Out Dreams
- Bedwetting
- Chronic Nightmares
- Exploding Head Syndrome
- Hallucinations While Falling Asleep
- Sleep Eating
- Sleep Groaning
- Sleep Paralysis
- Sleep Problems in Kids
- Sleep Talking
- Sleepwalking
Parasomnias
Pediatric sleep
Sleep breathing
Sleep disruption
Sleep movement
Sleep quality
Sleep timing
Procedures & services
Most searched procedures
Behavioral therapy
- Child Sleep Habit Coaching
- CPAP Desensitization Therapy
- Sleep counseling
- Sleep hygiene counseling
- Sleep Restriction Therapy
- Stimulus Control Therapy
Circadian therapy
Consultation
CPAP & positive airway pressure
- Adaptive Servo-Ventilation Setup
- Auto-CPAP Setup
- BiPAP therapy
- CPAP Heated Tubing & Humidifier Setup
- CPAP Mask Fitting
- CPAP Pressure Adjustment
Device management
Devices
Diagnostic testing
- Daytime Nap Study
- Drug-induced sleep endoscopy
- Overnight Oxygen Tracking
- Sleep Alertness Test
- Sleep Tracker Watch Monitoring
Diagnostics
Evaluations
Lifestyle & devices
Medical management
Oral appliances
- Night Guard For Clenching
- Oral Appliance Adjustment
- Sleep Apnea Mouthpiece
- Snoring Mouth Guard Fitting
Respiratory care
Snoring & airway
Surgery
Surgical & implants
- Deviated Septum Surgery For Sleep
- Expansion Sphincter Pharyngoplasty
- Hypoglossal nerve stimulator implantation
- Jaw Advancement Surgery
- Palate Stiffening Procedure
- Tongue Base Reduction Surgery
- Turbinate Shrinking For Breathing
- Uvulopalatopharyngoplasty
Therapy
Procedures Most Often Billed to Medicare
35,775 services · 448 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | Procedure | 64615 |
177 | More than most peers in Sleep Medicine |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
21 | Less often than most peers in Sleep Medicine |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
17 | Less often than most peers in Sleep Medicine |
| Injection, onabotulinumtoxina, 1 unit | Drug given | J0585 |
35,200 | More than most peers in Sleep Medicine |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
112 | As often as other peers in Sleep Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
77 | More often than most peers in Sleep Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
48 | Less often than most peers in Sleep Medicine |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
47 | As often as other peers in Sleep Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
36 | As often as other peers in Sleep Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
25 | Less often than most peers in Sleep Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other sleep medicines at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 3 groups
Other sleep medicines in Saint Louis 6
Same specialty, same city.
Trained at Js Weill Medical College, Cornell University 2
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Js Weill Medical College, Cornell University 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Darken?
Dr. Darken is a sleep medicine in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Darken's address?
Dr. Darken is listed at 1600 S Brentwood Blvd Div Neurology Sleep Med, Ste 600, Saint Louis, MO 63144. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Darken?
The number on file is (314) 362-1408. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Darken?
Dr. Darken's National Provider Identifier is 1134248891. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Darken train?
Dr. Darken attended Js Weill Medical College, Cornell University, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Darken have?
Dr. Darken has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Darken perform?
According to Medicare billing data, Dr. Darken performs procedures including injection of chemical for paralysis of facial and neck nerve muscles on both sides of face; provides treatments such as sleep study in sleep lab with continuous airway pressure and sleep study in sleep lab, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Darken's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Darken. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.