Paul Sack, M.D.
NPI 1598707606 · Endocrinology, Diabetes & Metabolism Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Sack, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Baltimore, MD (NPI 1598707606).
Provider details
- NPI number
- 1598707606
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D60541 (MD)
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
1,306 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 | 594 | $131 |
| 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 | 409 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $94 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 53 | $80 |
| Telephone, Internet, Or Electronic Health Record Assessment and Management With Written Report By Consulting Physician, at Least 5 Minutes99451 | 36 | $36 |
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 |
|---|---|---|
| Levothyroxine Sodium | 401 | 110 |
| Tirzepatidebrand: Mounjaro | 266 | 46 |
| Semaglutidebrand: Ozempic | 212 | 61 |
| Atorvastatin Calcium | 191 | 63 |
| Dulaglutidebrand: Trulicity | 172 | 49 |
| Metformin Hcl | 169 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,621 across 5 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
- 2006-06-12
- Last updated
- 2016-12-09
Frequently asked questions
- What is Paul Sack's NPI number?
- Paul Sack's National Provider Identifier (NPI) is 1598707606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Sack's specialty?
- Paul Sack is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Sack located?
- Paul Sack's practice location on file with NPPES is 200 E 33rd St, Baltimore, MD 21218-3322.
- What is Paul Sack's phone number?
- The practice phone number listed in the NPPES registry for Paul Sack is (410) 554-4511.
- Does Paul Sack accept Medicare?
- Paul Sack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Sack's NPI active?
- Yes — Paul Sack's NPI (1598707606) is active in the NPPES registry as of the last update on 2016-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.