Mary Randall Parker, M.D.
Internal Medicine Physician · New York, NY
Mary Randall Parker, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1790781789, issued on Jun 23, 2005. Check the license (New York 211803, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mary Randall Parker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 211803 NY
Self-reported in NPPES; status is on the state search - Practice location
- 635 Madison Ave, New York, NY 10022
- Phone
- (212) 857-4655
- Enumerated
- Jun 23, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 752-3390
- Medicare enrollment
- Enrolled (PECOS I20101209000512); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 635 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Case, M.D.Internal Medicine Physician1699771758
- Jean Case, M.D.Rheumatology Physician1003812173
- Shingpui Chow, P.T.Orthopedic Physical Therapist1265897136
- Robert Cooper, M.D.Gastroenterology Physician1396783627
Verify Mary Randall Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 211803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average internal medicine physician in 2024
3,221 Medicare Part D claims for 328 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 43 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium292 claims
- Atorvastatin Calcium195 claims
- Amlodipine Besylate142 claims
- Levothyroxine Sodium118 claims
- Zolpidem Tartrate111 claims
- Losartan Potassium106 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The Madison Physicians, LLPNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Randall Parker among 12,067 internal medicine physician records in New York
Mary Randall Parker, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1997 · median 2002 among the 7,221 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Howard Adler, M.D.New York, NY 100221629078803
- David Case, M.D.New York, NY 100221699771758
- Alan Dechiario, M.D.New York, NY 100221497751523
- Eric Goldberg, MDNew York, NY 100221659379014
- Edward Greaney, MDNew York, NY 100221265430714
- Ellen Mellow, MDNew York, NY 100221366444259
- Deena Nelson, M.D.New York, NY 100221992701551
- Vincent Pedre, M.D.New York, NY 100221629067780
Common questions
What is Mary Randall Parker, M.D.'s NPI number?
Mary Randall Parker, M.D.'s National Provider Identifier (NPI) is 1790781789, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Randall Parker, M.D. located?
The NPPES record lists a practice address at 635 Madison Ave, New York, NY, 10022. Phone: (212) 857-4655. Providers update this record themselves, so call before visiting.
How can I verify Mary Randall Parker, M.D.'s license?
NPPES lists New York license number 211803, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Randall Parker, M.D. prescribe under Medicare Part D?
In 2024, Mary Randall Parker, M.D. had 3,221 Medicare Part D claims for 328 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.