Timothy Hollowed, MD
NPI 1427678200 · Family Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Hollowed, MD is a Family Medicine Physician provider in Phoenix, AZ (NPI 1427678200).
Provider details
- NPI number
- 1427678200
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
266 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 | 188 | $123 |
| Hemoglobin A1c Level83036 | 38 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 17 | $125 |
Typical Medicare-allowed amounts for these services range $10–$125 (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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 193 | 78 |
| Lisinopril | 141 | 57 |
| Metformin Hcl | 138 | 52 |
| Amlodipine Besylate | 81 | 41 |
| Levothyroxine Sodium | 79 | 30 |
| Gabapentin | 72 | 26 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-21
- Last updated
- 2024-12-05
- Certified
- 2024-12-05
Frequently asked questions
- What is Timothy Hollowed's NPI number?
- Timothy Hollowed's National Provider Identifier (NPI) is 1427678200, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Hollowed's specialty?
- Timothy Hollowed is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Hollowed located?
- Timothy Hollowed's practice location on file with NPPES is 2927 N 7th Ave, Phoenix, AZ 85013-4102.
- What is Timothy Hollowed's phone number?
- The practice phone number listed in the NPPES registry for Timothy Hollowed is (602) 406-3153.
- Does Timothy Hollowed accept Medicare?
- Timothy Hollowed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Hollowed's NPI active?
- Yes — Timothy Hollowed's NPI (1427678200) is active in the NPPES registry as of the last update on 2024-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.