Gary Holloway, D.O.
NPI 1982625976 · Family Medicine Physician · Lake Orion, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Holloway, D.O. is a Family Medicine Physician provider in Lake Orion, MI (NPI 1982625976).
Provider details
- NPI number
- 1982625976
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101012531 (MI)
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
446 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 | 194 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 171 | $69 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 81 | $139 |
Typical Medicare-allowed amounts for these services range $69–$139 (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 · 156 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 402 | 59 |
| Atorvastatin Calcium | 388 | 103 |
| Levothyroxine Sodium | 334 | 69 |
| Omeprazole | 333 | 81 |
| Alprazolam | 296 | 34 |
| Gabapentin | 250 | 42 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Holloway's NPI number?
- Gary Holloway's National Provider Identifier (NPI) is 1982625976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Holloway's specialty?
- Gary Holloway is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Holloway located?
- Gary Holloway's practice location on file with NPPES is 46 W Shadbolt St, Lake Orion, MI 48362-3170.
- What is Gary Holloway's phone number?
- The practice phone number listed in the NPPES registry for Gary Holloway is (248) 814-9300.
- Does Gary Holloway accept Medicare?
- Gary Holloway is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Holloway's NPI active?
- Yes — Gary Holloway's NPI (1982625976) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.