Martha Grogan, M.D.
NPI 1932188935 · Cardiovascular Disease Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Grogan, M.D. is a Cardiovascular Disease Physician provider in Rochester, MN (NPI 1932188935).
Provider details
- NPI number
- 1932188935
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 29561 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
324 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 147 | $69 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 30 | $3 |
| Ultrasound of Heart Blood Flow, Valves and Chambers, Follow-Up93321 | 29 | $7 |
| Ultrasound of Heart, Follow-Up93308 | 26 | $25 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 26 | $222 |
| Heart Muscle Strain Imaging93356 | 25 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tafamidisbrand: Vyndamax | 165 | 23 |
| Tafamidis Megluminebrand: Vyndaqel | 46 | — |
| Spironolactone | 28 | — |
| Diflunisal | 22 | — |
| Furosemide | 19 | — |
| Apixabanbrand: Eliquis | 16 | — |
| Torsemide | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40,810 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-10
- Last updated
- 2020-08-14
- Certified
- 2020-08-14
Frequently asked questions
- What is Martha Grogan's NPI number?
- Martha Grogan's National Provider Identifier (NPI) is 1932188935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Grogan's specialty?
- Martha Grogan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Martha Grogan located?
- Martha Grogan's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Martha Grogan's phone number?
- The practice phone number listed in the NPPES registry for Martha Grogan is (507) 284-2511.
- Does Martha Grogan accept Medicare?
- Martha Grogan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Grogan's NPI active?
- Yes — Martha Grogan's NPI (1932188935) is active in the NPPES registry as of the last update on 2020-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.