Provider Profile
Mary K. Hearne, APN
Unclaimed ProfileAbout Mary Hearne
Mary K. Hearne, APN is a nurse practitioner practicing in San Marcos, TX. According to Medicare claims data, Mary cared for 94 Medicare patients across 102 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (512) 396-5603
- Email not available
Practice Locations
1251 SADLER EAST DR BUILDING J, SUITE 2100
San Marcos, TX 78666
Procedures Most Often Billed to Medicare
102 services · 94 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
12 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
79 | As often as other peers in Nurse Practitioner |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 | Less often than most peers in Nurse Practitioner |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in San Marcos 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Mary K. Hearne specialize in?
Mary K. Hearne is a nurse practitioner in San Marcos, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary K. Hearne located?
Mary K. Hearne is listed at 1251 Sadler East Dr Building J, Suite 2100, San Marcos, TX 78666. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary K. Hearne's phone number?
The number on file is (512) 396-5603. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary K. Hearne's NPI number?
Mary K. Hearne's National Provider Identifier is 1639609852. 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 Mary K. Hearne train?
Mary K. Hearne attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary K. Hearne been practicing?
Mary K. Hearne has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Mary K. Hearne do most often?
According to Medicare billing data, Mary K. Hearne provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary K. Hearne confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary K. Hearne. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.