Physician Profile
Unclaimed ProfileAbout LAY
Cathy H Lay, MD is a healthcare provider in Helena, MT specializing in family practice. Cathy trained at Medical University of South Carolina College of Medicine, graduating in 2004. Cathy is also listed as specializing in family medicine. Medicare claims data shows Cathy provided 594 services to 569 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Lay specialize in?
Dr. Lay is a family practice in Helena, MT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Lay located?
Dr. Lay is listed at 3330 PTARMIGAN LN, Helena, MT 59602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lay's phone number?
The number on file is (406) 457-4180. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lay?
Dr. Lay's National Provider Identifier is 1508952037. 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. Lay go to medical school?
Dr. Lay attended Medical University of South Carolina College of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lay have?
Dr. Lay has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lay do most often?
According to Medicare billing data, Dr. Lay provides treatments such as inhalation treatment for airway obstruction or sputum production, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lay's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lay. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (406) 457-4180
- Email not available
Practice Locations
3330 PTARMIGAN LN
Helena, MT 59602
Procedures Most Often Billed to Medicare
594 services · 569 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Inhalation treatment for airway obstruction or sputum production | Treatment | 94640 |
12 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
263 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
250 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
41 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
16 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 5
Same specialty, same street address — most likely the same department or group.
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.
Other family practices in Helena 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Medical University of South Carolina College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Medical University of South Carolina College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Inhalation treatment for airway obstruction or sputum production 8
Providers in MT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.