Dr. Mary Randall Parker, MD
- Medicare services, 2024
- 1,242
- Medicare patients, 2024
- 344
- Part D claims, 2024
- 3,221
- Hospital affiliations
- 5
- Industry payments
- $656
- Practice address
- 535 East 70th Street, New York, NY 10021
- Practice phone
- Call (212) 606-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Parker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mary Randall Parker is an internist in New York, New York
Dr. Parker practices at Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery.
Dr. Parker's NPI, 1790781789, was assigned on June 23, 2005. Dr. Parker graduated from Tufts University School Of Medicine in 1997. Dr. Parker holds New York license 211803.
- NPI
- 1790781789NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345437810
- NPI enumeration date
- June 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 606-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Randall Parker practices at Hospital for Special Surgery in New York, New York
Dr. Parker's primary practice is Hospital for Special Surgery, at 535 East 70th Street, New York, NY 10021 in New York County. The practice phone is (212) 606-1000.
- Hospital for Special Surgery535 East 70th Street, New York, NY 10021 · New York CountyPhone(212) 606-1000
Source: Dmand AI Affiliation Data
Dr. Mary Randall Parker is affiliated with 6 sites of care and 1 medical group
Dr. Parker's primary practice is Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery. Dr. Parker is also affiliated with Tisch Hospital. The medical group on file is The Madison Physicians. Dmand AI also links Dr. Parker to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Randall Parker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parker practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital for Special Surgery | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hospital for Special Surgery and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mary Randall Parker is one of 9,643 internists in New York
Internal medicine is Dr. Parker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Parker is board certified in internal medicine by the American Board of Internal Medicine. Dr. Parker is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Clinical focus
Dmand AI lists acid reflux, arthritis, bronchitis, chronic anemia, chronic diabetes, chronic hypertension, diabetic emergency and high cholesterol among the conditions Dr. Parker treats.
Internists near Dr. Parker
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mary Randall Parker billed Medicare for 1,242 services in 2024
CMS data shows 1,242 Medicare services from Dr. Parker across 11 procedure codes in 2024, for 344 Medicare patients. Medicare paid $52,841 for them. Every service was in an office.
Dr. Parker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3742024: 4069%
- Tests and treatments
- 2023: 3282024: 38818%
- Surgery
- 2023: 3652024: 3825%
- Other services
- 2023: 762024: 6613%
Dr. Parker compared with the New York median for internists, 2024
- Dr. Parker
- New York median
- Medicare services
- 1,242vs 4262.9 times
- Medicare patients
- 344vs 1582.2 times
- Part D claims
- 2,702vs 6224.3 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Parker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Parker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parker and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Randall Parker treated 344 Medicare patients in 2024, average age 77
CMS counts 344 Medicare patients who saw Dr. Parker in 2024. The largest group is 75 to 84, with 180 patients. 47% of them have arthritis, and 46% have high cholesterol. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Parker's median patient age at 64, with 72% women.
Dr. Parker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Parker's Medicare patients by sex, 2024
- Women26376%
- Men8124%
Chronic conditions among Dr. Parker's Medicare patients, 2024
- Arthritis47%
- High cholesterol46%
- High blood pressure44%
- Osteoporosis26%
- Mood disorders19%
- Cancer18%
- Depression16%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women72%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Randall Parker wrote 3,221 Medicare Part D claims in 2024
In 2024, Dr. Parker wrote 3,221 Medicare Part D claims for 328 patients. 89% of them were for generic drugs. CMS names the drug for 2,702 of them, across 64 drugs with 11 or more claims each, at $151,153 in total drug cost. In 2023, CMS named 2,224 claims across 56 drugs.
Dr. Parker's Part D claims by kind of drug, 2024
- Generic2,865 claims89%
- Brand-name342 claims11%
- Other14 claims0%
Dr. Parker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Parker's Part D claims, 2024
- Opioids1%43 of 3,221 claims
- Antibiotics4%125 of 3,221 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,2242024: 2,70221%
Drugs named by CMS: 64 in 2024, 56 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mary Randall Parker offers telehealth to Medicare patients
Dr. Parker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Parker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mary Randall Parker received $656 in industry payments from 2016 to 2025
CMS Open Payments shows 31 general payments to Dr. Parker from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $121.
General payments to Dr. Parker by program year, 2016 to 2025
General payments to Dr. Parker by kind, 2016 to 2025
- Food and beverage$64598%
- Education$122%
Companies that paid Dr. Parker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary Randall Parker graduated from Tufts University School Of Medicine
Dr. Parker graduated from Tufts University School Of Medicine in 1997.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mary Randall Parker accepts plans from 1 insurance carrier
Dr. Parker is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Mary Randall Parker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mary Randall Parker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mary Randall Parker's NPI number?
Dr. Mary Randall Parker's NPI number is 1790781789. It was assigned on June 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Randall Parker?
Dr. Mary Randall Parker is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary Randall Parker practice?
Dr. Parker practices at 535 East 70th Street, New York, NY 10021. Dr. Parker's primary practice is Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery. Dmand AI also links Dr. Parker to 3 hospitals and 1 group practice or clinic.
What is Dr. Mary Randall Parker's office phone number?
The practice phone on file for Dr. Parker is (212) 606-1000.
What is Dr. Mary Randall Parker's medical license number?
Dr. Parker holds New York license 211803.
Which hospitals is Dr. Mary Randall Parker affiliated with?
Dr. Parker practices at Hospital for Special Surgery in New York, New York. Dr. Parker is also affiliated with Tisch Hospital. Dmand AI links Dr. Parker to 3 more hospitals.
What medical group is Dr. Mary Randall Parker part of?
Dr. Parker is linked to The Madison Physicians.
Does Dr. Mary Randall Parker accept Medicare?
Yes. CMS data shows Dr. Parker billed Medicare for 1,242 services in 2024, and Dr. Parker accepts Medicare assignment.
Does Dr. Mary Randall Parker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Parker as offering telehealth services.
How many Medicare patients does Dr. Mary Randall Parker see?
CMS counts 344 Medicare patients who saw Dr. Parker in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Mary Randall Parker board certified?
Yes. Dr. Parker is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Mary Randall Parker bill to Medicare?
In 2024, Dr. Parker's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99213) and heart test or procedure (93000).
Where did Dr. Mary Randall Parker go to medical school?
Dr. Parker graduated from Tufts University School Of Medicine in 1997.
What drugs does Dr. Mary Randall Parker prescribe most?
In 2024 Medicare Part D data, Dr. Parker's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Mary Randall Parker received payments from drug or device companies?
CMS Open Payments shows $656 in general payments to Dr. Parker from 17 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Mary Randall Parker been practicing?
Dr. Parker graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Mary Randall Parker accept?
Dr. Parker is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card