DR. DONALD GUSTAVE AMMERMAN M.D.
NPI 1316032295
Psychiatry & Neurology - Psychiatry in Danbury, CT
About Dr. Donald Gustave Ammerman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DONALD GUSTAVE AMMERMAN M.D. (NPI 1316032295) is an individual psychiatry provider in Danbury, Connecticut, licensed in Connecticut (047925) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Connecticut School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Donald Gustave Ammerman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Donald Ammerman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 25 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06810 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DANBURY, CT 06810
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Donald Ammerman's NPI number?
The NPI number for Donald Ammerman is 1316032295. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Donald Ammerman located?
Donald Ammerman practices at 84 Hospital Ave Cpc Associates, Danbury, CT 06810. The listed phone number is (203) 792-6060.
What is Donald Ammerman's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Donald Ammerman enrolled in Medicare?
Yes. Donald Ammerman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Donald Ammerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Ammerman reassigns Medicare benefits to Contemporary Care, LLC (Danbury, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Donald Ammerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Donald Ammerman accept?
Health plans from Anthem Blue Cross and Blue Shield list Donald Ammerman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Donald Ammerman was last updated on August 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Donald Gustave Ammerman, M.D. · NPI 1316032295
Psychiatry physician in Danbury, Connecticut. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1316032295 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 047925 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 84 HOSPITAL AVE, CPC ASSOCIATES, Danbury, CT 06810
- **Phone:** (203) 792-6060
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Contemporary Care, LLC (NPI 1639734338, Danbury, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** August 20, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1316032295) · Data from the CMS NPPES public registry.