Gary Manko, M.D.
NPI 1588612139 · Internal Medicine Physician · Reisterstown, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Manko, M.D. is a Internal Medicine Physician provider in Reisterstown, MD (NPI 1588612139).
Provider details
- NPI number
- 1588612139
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D25062 (MD)
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
20 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
276 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 | 108 | $92 |
| 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 | 73 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 18 | $9 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 15 | $67 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 32 | 11 |
| Atorvastatin Calcium | 31 | 13 |
| Olmesartan Medoxomil | 26 | — |
| Levothyroxine Sodium | 25 | — |
| Lisinopril | 22 | — |
| Losartan Potassium | 22 | — |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$81 across 1 record (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)
- 360 S Garfield St Ste 550Denver, CO 80209-3392Phone: (303) 333-5456
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2023-03-23
- Certified
- 2023-03-23
Frequently asked questions
- What is Gary Manko's NPI number?
- Gary Manko's National Provider Identifier (NPI) is 1588612139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Manko's specialty?
- Gary Manko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Manko located?
- Gary Manko's practice location on file with NPPES is 750 Main St Ste 205, Reisterstown, MD 21136-2516.
- What is Gary Manko's phone number?
- The practice phone number listed in the NPPES registry for Gary Manko is (410) 526-3041.
- Does Gary Manko accept Medicare?
- Gary Manko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Manko's NPI active?
- Yes — Gary Manko's NPI (1588612139) is active in the NPPES registry as of the last update on 2023-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.