John Mulligan, D.O.
NPI 1659352847 · Cardiovascular Disease Physician · Hastings, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mulligan, D.O. is a Cardiovascular Disease Physician provider in Hastings, MI (NPI 1659352847).
Provider details
- NPI number
- 1659352847
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101006820 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
245 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 152 | $128 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 40 | $161 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 25 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $87 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $112 |
Typical Medicare-allowed amounts for these services range $14–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 246 | 62 |
| Metoprolol Succinate | 239 | 82 |
| Atorvastatin Calcium | 175 | 57 |
| Spironolactone | 150 | 47 |
| Carvedilol | 132 | 39 |
| Rosuvastatin Calcium | 123 | 44 |
| Ezetimibe | 121 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-07
- Last updated
- 2021-02-24
- Certified
- 2021-02-24
Frequently asked questions
- What is John Mulligan's NPI number?
- John Mulligan's National Provider Identifier (NPI) is 1659352847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mulligan's specialty?
- John Mulligan is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Mulligan located?
- John Mulligan's practice location on file with NPPES is 1005 W Green St, Hastings, MI 49058-1712.
- What is John Mulligan's phone number?
- The practice phone number listed in the NPPES registry for John Mulligan is (616) 885-5000.
- Does John Mulligan accept Medicare?
- John Mulligan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mulligan's NPI active?
- Yes — John Mulligan's NPI (1659352847) is active in the NPPES registry as of the last update on 2021-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.