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Edit this profileAt a glance
- 200 1St St Sw, Rochester, MN 55905
About Dr. Mc Mahon
Marion Mc Mahon, M.D. is a healthcare provider in Rochester, MN specializing in endocrinology, diabetes & metabolism. According to Medicare claims data, Marion cared for 170 Medicare patients across 268 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. This provider record is associated with NPI 1073592556.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (507) 284-2511
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
200 1ST ST SW
Rochester, MN 55905
Conditions Commonly Evaluated or Treated
Within Endocrinology, Diabetes and Metabolism 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
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched conditions
Adrenal
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Procedures & services
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
Genetic evaluations
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Routine Blood Tests
Thyroid
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Women's health
Most searched procedures
Diabetes preventive care
Procedures Most Often Billed to Medicare
268 services · 170 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
148 | More often than most peers in Endocrinology, Diabetes &… |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
69 | More often than most peers in Endocrinology, Diabetes &… |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
51 | More often than most peers in Endocrinology, Diabetes &… |
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 endocrinologists at this location 1
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 — 7 related providers in 1 group
Common questions
What does Marion Mc Mahon specialize in?
Marion Mc Mahon is an endocrinologist in Rochester, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Where is Marion Mc Mahon located?
Marion Mc Mahon is listed at 200 1St St Sw, Rochester, MN 55905. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marion Mc Mahon's phone number?
The number on file is (507) 284-2511. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marion Mc Mahon's NPI number?
Marion Mc Mahon's National Provider Identifier is 1073592556. 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
How long has Marion Mc Mahon been practicing?
Marion Mc Mahon has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Marion Mc Mahon do most often?
According to Medicare billing data, Marion Mc Mahon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marion Mc Mahon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marion Mc Mahon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.