Rob Parrish, M.D.
NPI 1194743773 · Neurological Surgery Physician · Houston, TX
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rob Parrish, M.D. is a Neurological Surgery Physician provider in Houston, TX (NPI 1194743773).
Provider details
- NPI number
- 1194743773
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- F9929 (TX)
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
1,330 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 | 494 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 126 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 102 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 87 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 77 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 66 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 94 | 46 |
| Azithromycin | 57 | 45 |
| Cephalexin | 42 | 32 |
| Levothyroxine Sodium | 41 | 14 |
| Alendronate Sodium | 39 | 11 |
| Montelukast Sodium | 30 | 11 |
| Meloxicam | 25 | 16 |
| Carbidopa/Levodopa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2014-08-21
Frequently asked questions
- What is Rob Parrish's NPI number?
- Rob Parrish's National Provider Identifier (NPI) is 1194743773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rob Parrish's specialty?
- Rob Parrish is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Rob Parrish located?
- Rob Parrish's practice location on file with NPPES is 6560 Fannin St, Houston, TX 77030-2761.
- What is Rob Parrish's phone number?
- The practice phone number listed in the NPPES registry for Rob Parrish is (713) 441-3800.
- Does Rob Parrish accept Medicare?
- Rob Parrish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rob Parrish's NPI active?
- Yes — Rob Parrish's NPI (1194743773) is active in the NPPES registry as of the last update on 2014-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.