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John Mccarthy, D.O.
NPI 1356619381 · Psychiatry Physician · Ionia, MI
John Mccarthy, D.O. is a Psychiatry Physician provider in Ionia, MI (NPI 1356619381).
Provider details
- NPI number
- 1356619381
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5101006203 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
1728 W Bluewater Hwy
Mtu-Rtp-1
Ionia, MI 48846-8553
Phone: (616) 527-3100
Street-level locationGet directions
Mailing address
907 Whittier Dr
East Lansing, MI 48823-2451
Registry dates
- Enumerated
- 2011-12-05
- Last updated
- 2011-12-05
Frequently asked questions
- What is John Mccarthy's NPI number?
- John Mccarthy's National Provider Identifier (NPI) is 1356619381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mccarthy's specialty?
- John Mccarthy is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Mccarthy located?
- John Mccarthy's practice location on file with NPPES is 1728 W Bluewater Hwy, Ionia, MI 48846-8553.
- What is John Mccarthy's phone number?
- The practice phone number listed in the NPPES registry for John Mccarthy is (616) 527-3100.
- Is John Mccarthy's NPI active?
- Yes — John Mccarthy's NPI (1356619381) is active in the NPPES registry as of the last update on 2011-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.