Michael Larock, MD
NPI 1639138829 · Hospitalist Physician · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Larock, MD is a Hospitalist Physician provider in Bryn Mawr, PA (NPI 1639138829).
Provider details
- NPI number
- 1639138829
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD051324L (PA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
945 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 534 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 197 | $115 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 147 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 32 | $173 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $120 |
| Critical Care, First 30-74 Minutes99291 | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 1200 S Cedar Crest BlvdAllentown, PA 18103-6202Phone: (610) 402-5369
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2024-06-18
- Certified
- 2024-06-18
Frequently asked questions
- What is Michael Larock's NPI number?
- Michael Larock's National Provider Identifier (NPI) is 1639138829, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Larock's specialty?
- Michael Larock is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Larock located?
- Michael Larock's practice location on file with NPPES is 130 S Bryn Mawr Ave Ste H321, Bryn Mawr, PA 19010.
- What is Michael Larock's phone number?
- The practice phone number listed in the NPPES registry for Michael Larock is (484) 337-4097.
- Does Michael Larock accept Medicare?
- Michael Larock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Larock's NPI active?
- Yes — Michael Larock's NPI (1639138829) is active in the NPPES registry as of the last update on 2024-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.