Mary Parker, M.D.
NPI 1790781789 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Parker, M.D. is a Internal Medicine Physician provider in New York, NY (NPI 1790781789).
Provider details
- NPI number
- 1790781789
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 211803 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,157 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 382 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 312 | $101 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 278 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 94 | $143 |
| Administration of Influenza Virus VaccineG0008 | 49 | $36 |
| Admn Sarscov2 Vacc 1 Dose90480 | 25 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 292 | 76 |
| Atorvastatin Calcium | 195 | 59 |
| Amlodipine Besylate | 142 | 42 |
| Levothyroxine Sodium | 118 | 29 |
| Zolpidem Tartrate | 111 | 33 |
| Losartan Potassium | 106 | 30 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Parker's NPI number?
- Mary Parker's National Provider Identifier (NPI) is 1790781789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Parker's specialty?
- Mary Parker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Parker located?
- Mary Parker's practice location on file with NPPES is 635 Madison Ave, New York, NY 10022-1009.
- What is Mary Parker's phone number?
- The practice phone number listed in the NPPES registry for Mary Parker is (212) 857-4655.
- Does Mary Parker accept Medicare?
- Mary Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Parker's NPI active?
- Yes — Mary Parker's NPI (1790781789) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.