John Damergis, M.D.
NPI 1205004249 · Sleep Medicine (Psychiatry & Neurology) Physician · Bloomington, MN
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Damergis, M.D. is a Sleep Medicine (Psychiatry & Neurology) Physician provider in Bloomington, MN (NPI 1205004249).
Provider details
- NPI number
- 1205004249
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 49503 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
487 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 194 | $173 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 143 | $125 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 36 | $161 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 35 | $93 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 35 | $622 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 305 | 93 |
| Trazodone Hcl | 167 | 49 |
| Clonazepam | 157 | 40 |
| Modafinil | 150 | 52 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 146 | 39 |
| Suvorexantbrand: Belsomra | 117 | 37 |
| Pregabalin | 113 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-12
- Last updated
- 2023-08-07
- Certified
- 2023-08-07
Frequently asked questions
- What is John Damergis's NPI number?
- John Damergis's National Provider Identifier (NPI) is 1205004249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Damergis's specialty?
- John Damergis is listed in the NPPES registry with a primary specialty of Sleep Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is John Damergis located?
- John Damergis's practice location on file with NPPES is 3601 Minnesota Dr Ste 200, Bloomington, MN 55435-5281.
- What is John Damergis's phone number?
- The practice phone number listed in the NPPES registry for John Damergis is (612) 879-1000.
- Does John Damergis accept Medicare?
- John Damergis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Damergis's NPI active?
- Yes — John Damergis's NPI (1205004249) is active in the NPPES registry as of the last update on 2023-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.