William Dachman, MD
NPI 1427076405 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Dachman, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1427076405).
Provider details
- NPI number
- 1427076405
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 17287 (AZ)
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
19 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
149 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 89 | $76 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 30 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 19 | $113 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $126 |
Typical Medicare-allowed amounts for these services range $76–$126 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 63 | 13 |
| Atorvastatin Calcium | 26 | 13 |
| Gabapentin | 23 | 13 |
| Metoprolol Tartrate | 22 | 11 |
| Apixabanbrand: Eliquis | 21 | — |
| Amlodipine Besylate | 19 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2011-11-10
Frequently asked questions
- What is William Dachman's NPI number?
- William Dachman's National Provider Identifier (NPI) is 1427076405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Dachman's specialty?
- William Dachman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Dachman located?
- William Dachman's practice location on file with NPPES is 2601 E Roosevelt St, Phoenix, AZ 85008-4973.
- What is William Dachman's phone number?
- The practice phone number listed in the NPPES registry for William Dachman is (602) 344-5020.
- Does William Dachman accept Medicare?
- William Dachman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Dachman's NPI active?
- Yes — William Dachman's NPI (1427076405) is active in the NPPES registry as of the last update on 2011-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.