Daniel Grimmer, MD
NPI 1427010610 · Anatomic Pathology & Clinical Pathology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Grimmer, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Houston, TX (NPI 1427010610).
Provider details
- NPI number
- 1427010610
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J2588 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
867 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 374 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 197 | $26 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 79 | $33 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 58 | $76 |
| Cell Examination of Specimen, Concentration Technique88108 | 54 | $21 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 38 | $11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-04
- Last updated
- 2012-04-03
Frequently asked questions
- What is Daniel Grimmer's NPI number?
- Daniel Grimmer's National Provider Identifier (NPI) is 1427010610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Grimmer's specialty?
- Daniel Grimmer is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Grimmer located?
- Daniel Grimmer's practice location on file with NPPES is One Baylor Plaze, Suite 286a, Houston, TX 77030.
- What is Daniel Grimmer's phone number?
- The practice phone number listed in the NPPES registry for Daniel Grimmer is (713) 785-8357.
- Does Daniel Grimmer accept Medicare?
- Daniel Grimmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Grimmer's NPI active?
- Yes — Daniel Grimmer's NPI (1427010610) is active in the NPPES registry as of the last update on 2012-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.