Robert Greer, D.O.
NPI 1912386194 · Allergy & Immunology (Internal Medicine) Physician · Mobile, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Greer, D.O. is a Allergy & Immunology (Internal Medicine) Physician provider in Mobile, AL (NPI 1912386194).
Provider details
- NPI number
- 1912386194
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 25498 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
628 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 132 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $110 |
| Test to Determine Lung Volumes Using Sensors94726 | 76 | $49 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 76 | $50 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 51 | $158 |
| Test to Measure Rate of Airflow |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 224 | 57 |
| Famotidine | 192 | 57 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 186 | 79 |
| Fluticasone Propionate | 174 | 74 |
| Azelastine Hcl | 144 | 59 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 96 | 19 |
| Tiotropium Bromidebrand: Spiriva Respimat | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,358 across 137 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)
- 2500 N State StJackson, MS 39216-4500Phone: (601) 984-5601Fax: (601) 984-6601
Registry dates
- Enumerated
- 2015-05-21
- Last updated
- 2022-09-21
- Certified
- 2022-09-21
Frequently asked questions
- What is Robert Greer's NPI number?
- Robert Greer's National Provider Identifier (NPI) is 1912386194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Greer's specialty?
- Robert Greer is listed in the NPPES registry with a primary specialty of Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Greer located?
- Robert Greer's practice location on file with NPPES is 6304 USA Health Blvd, Mobile, AL 36608-0020.
- What is Robert Greer's phone number?
- The practice phone number listed in the NPPES registry for Robert Greer is (251) 633-8880.
- Does Robert Greer accept Medicare?
- Robert Greer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Greer's NPI active?
- Yes — Robert Greer's NPI (1912386194) is active in the NPPES registry as of the last update on 2022-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.