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- 3407 Wilkens Ave Ste 430, Baltimore, MD 21229
About Dr. Griffin
Based in Baltimore, MD, Catherine D. Griffin, MD is listed in the NPI registry under sleep medicine (neurology). Catherine is also listed as specializing in neurology. According to Medicare claims data, Catherine cared for 707 Medicare patients across 785 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. NPI 1629284286 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
- (667) 234-8444
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
3407 WILKENS AVE STE 430
Baltimore, MD 21229
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
Wellness and energy
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
Breathing
Mental health
Sleep
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
785 services · 707 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
37 | As often as other peers in Sleep Medicine (Neurology) |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
36 | More often than most peers in Sleep Medicine (Neurology) |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
30 | As often as other peers in Sleep Medicine (Neurology) |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
22 | Less often than most peers in Sleep Medicine (Neurology) |
| Measurement of brain wave activity (eeg), in coma or asleep | Treatment | 95822 |
18 | Too few peers to compare |
| Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | Treatment | 95720 |
15 | Too few peers to compare |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
111 | More often than most peers in Sleep Medicine (Neurology) |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
80 | More often than most peers in Sleep Medicine (Neurology) |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
74 | More than most peers in Sleep Medicine (Neurology) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
68 | As often as other peers in Sleep Medicine (Neurology) |
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.
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Griffin's specialty?
Dr. Griffin is a sleep medicine (neurology) in Baltimore, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Griffin?
Dr. Griffin is listed at 3407 Wilkens Ave Ste 430, Baltimore, MD 21229. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Griffin?
The number on file is (667) 234-8444. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Griffin's NPI number?
Dr. Griffin's National Provider Identifier is 1629284286. 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
What is Dr. Griffin's medical education?
Dr. Griffin attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Griffin been practicing?
Dr. Griffin has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Griffin known for?
According to Medicare billing data, Dr. Griffin provides treatments such as sleep study including heart rate, breathing, airflow, and effort and measurement of brain wave activity , awake and asleep, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Griffin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Griffin. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.