Delwyn Miller, MD
NPI 1285620815 · Psychiatry Physician · Iowa City, IA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Delwyn Miller, MD is a Psychiatry Physician provider in Iowa City, IA (NPI 1285620815).
Provider details
- NPI number
- 1285620815
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 27126 (IA)
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
164 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 | 102 | $88 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 44 | $72 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $61 |
Typical Medicare-allowed amounts for these services range $61–$88 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Olanzapine | 98 |
| Clozapine | 96 |
| Risperidone | 76 |
| Clonazepam | 67 |
| Fluoxetine Hcl | 66 |
| Quetiapine Fumarate | 62 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 51 |
| Lamotrigine | 48 |
| Diazepam | 46 |
| Lorazepam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-20
- Last updated
- 2007-12-13
Frequently asked questions
- What is Delwyn Miller's NPI number?
- Delwyn Miller's National Provider Identifier (NPI) is 1285620815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Delwyn Miller's specialty?
- Delwyn Miller is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Delwyn Miller located?
- Delwyn Miller's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Delwyn Miller's phone number?
- The practice phone number listed in the NPPES registry for Delwyn Miller is (319) 353-4506.
- Does Delwyn Miller accept Medicare?
- Delwyn Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Delwyn Miller's NPI active?
- Yes — Delwyn Miller's NPI (1285620815) is active in the NPPES registry as of the last update on 2007-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.