Fred Grynberg, M.D.
NPI 1083600803 · Pulmonary Disease Physician · Miami, FL
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fred Grynberg, M.D. is a Pulmonary Disease Physician provider in Miami, FL (NPI 1083600803).
Provider details
- NPI number
- 1083600803
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME53766 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
698 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 295 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 256 | $128 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 65 | $143 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $138 |
| Test to Measure Expiratory Airflow and Volume94010 | 27 | $29 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 124 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 111 | 51 |
| Montelukast Sodium | 67 | 25 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 63 | 16 |
| Prednisone | 55 | 20 |
| Albuterol Sulfatebrand: Ventolin Hfa | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,681 across 27 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
Registry dates
- Enumerated
- 2005-09-27
- Last updated
- 2023-02-20
- Certified
- 2023-02-20
Frequently asked questions
- What is Fred Grynberg's NPI number?
- Fred Grynberg's National Provider Identifier (NPI) is 1083600803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fred Grynberg's specialty?
- Fred Grynberg is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Fred Grynberg located?
- Fred Grynberg's practice location on file with NPPES is 1190 Nw 95th St Ste 108, Miami, FL 33150-2064.
- What is Fred Grynberg's phone number?
- The practice phone number listed in the NPPES registry for Fred Grynberg is (305) 547-4669.
- Does Fred Grynberg accept Medicare?
- Fred Grynberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fred Grynberg's NPI active?
- Yes — Fred Grynberg's NPI (1083600803) is active in the NPPES registry as of the last update on 2023-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.