Physician Profile
David M McMahon, DO
Unclaimed ProfileAbout Dr. Mcmahon
Based in Green Bay, WI, David M McMahon, DO is listed in the NPI registry under psychiatry. David graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2010. Medicare claims data shows David provided 421 services to 132 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (920) 433-3630
- Email not available
Practice Locations
301 E SAINT JOSEPH ST
Green Bay, WI 54301
Conditions Commonly Evaluated or Treated
Within Psychiatry 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
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
421 services · 132 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
85 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
84 |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
28 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
201 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 |
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 psychiatry specialists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 30 related providers in 4 groups
Other psychiatry specialists in Green Bay 6
Same specialty, same city.
Trained at Des Moines University of Osteopathic Medicine and Health Sciences 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Des Moines University of Osteopathic Medicine and Health Sciences 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Dr. McMahon specialize in?
Dr. McMahon is a psychiatry in Green Bay, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Where is Dr. McMahon located?
Dr. McMahon is listed at 301 E SAINT JOSEPH ST, Green Bay, WI 54301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. McMahon's phone number?
The number on file is (920) 433-3630. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. McMahon?
Dr. McMahon's National Provider Identifier is 1457662249. 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 Dr. McMahon go to medical school?
Dr. McMahon attended Des Moines University of Osteopathic Medicine and Health Sciences, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. McMahon have?
Dr. McMahon has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Dr. McMahon do most often?
According to Medicare billing data, Dr. McMahon provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. McMahon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McMahon. 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.