Adam Greenberg, MD
NPI 1407866288 · Internal Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adam Greenberg, MD is a Internal Medicine Physician provider in Sacramento, CA (NPI 1407866288).
Provider details
- NPI number
- 1407866288
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME72900 (FL)
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 tenure25% of score
19 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
764 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 576 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 101 | $65 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 42 | $132 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 32 | $96 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 13 | $35 |
Typical Medicare-allowed amounts for these services range $35–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 419 | 125 |
| Amlodipine Besylate | 381 | 107 |
| Hydrochlorothiazide | 169 | 58 |
| Levothyroxine Sodium | 169 | 51 |
| Lisinopril | 159 | 47 |
| Omeprazole | 155 | 48 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$61 across 3 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)
- 465 Minutemen CswySte 455Cocoa Beach, FL 32931-2881Phone: (904) 396-6620
Registry dates
- Enumerated
- 2006-08-08
- Last updated
- 2021-07-16
- Certified
- 2021-07-15
Frequently asked questions
- What is Adam Greenberg's NPI number?
- Adam Greenberg's National Provider Identifier (NPI) is 1407866288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Adam Greenberg's specialty?
- Adam Greenberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Adam Greenberg located?
- Adam Greenberg's practice location on file with NPPES is 4600 Broadway Ste 1100, Sacramento, CA 95820.
- What is Adam Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Adam Greenberg is (916) 874-9670.
- Does Adam Greenberg accept Medicare?
- Adam Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Adam Greenberg's NPI active?
- Yes — Adam Greenberg's NPI (1407866288) is active in the NPPES registry as of the last update on 2021-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.