Harry Blackstone, DO
NPI 1720016496 · Family Medicine Physician · Zephyrhills, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harry Blackstone, DO is a Family Medicine Physician provider in Zephyrhills, FL (NPI 1720016496).
Provider details
- NPI number
- 1720016496
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS4393 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,296 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 1,644 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 851 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 303 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $84 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 73 | $13 |
| Urinalysis, Manual Test81002 | 67 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 531 | 152 |
| Atorvastatin Calcium | 487 | 147 |
| Losartan Potassium | 307 | 94 |
| Lisinopril | 277 | 87 |
| Amlodipine Besylate | 271 | 84 |
| Alprazolam | 234 | 76 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$925 across 52 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 38240 Daughtery RdZephyrhills, FL 33540-1367Phone: (813) 788-3582Fax: (813) 780-6707
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2018-04-04
Frequently asked questions
- What is Harry Blackstone's NPI number?
- Harry Blackstone's National Provider Identifier (NPI) is 1720016496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Blackstone's specialty?
- Harry Blackstone is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Blackstone located?
- Harry Blackstone's practice location on file with NPPES is 7213 Green Slope Dr, Zephyrhills, FL 33541-1306.
- What is Harry Blackstone's phone number?
- The practice phone number listed in the NPPES registry for Harry Blackstone is (813) 355-4914.
- Does Harry Blackstone accept Medicare?
- Harry Blackstone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harry Blackstone's NPI active?
- Yes — Harry Blackstone's NPI (1720016496) is active in the NPPES registry as of the last update on 2018-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.