Dr. Frederick Lawrence Parker, MD
- Medicare services, 2017
- 288
- Part D claims, 2017
- 193
- Hospital affiliations
- 2
- Industry payments
- $110
- Medical groups
- 5
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- 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. Frederick Lawrence Parker is an internist in Valhalla, New York
Dr. Parker practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Parker's NPI, 1437124807, was assigned on February 21, 2006. Dr. Parker holds New York license 175332.
- NPI
- 1437124807NPI Registry (opens in a new tab)
- NPI enumeration date
- February 21, 2006
- NPI status
- Active
- Practice phone
- (914) 493-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Frederick Lawrence Parker practices at Westchester Medical Center in Valhalla, New York
Dr. Parker's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Frederick Lawrence Parker is affiliated with 2 sites of care and 5 medical groups
Dr. Parker's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dr. Parker is also affiliated with Montefiore Mount Vernon. The medical group on file is CityMD. Dmand AI also links Dr. Parker to 4 more medical groups, 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. Frederick Lawrence Parker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | Available with a free account |
| +1 more site and 4 medical groups | 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 Westchester Medical Center Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Frederick Lawrence 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 licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
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. Frederick Lawrence Parker billed Medicare for 288 services in 2017
CMS data shows 288 Medicare services from Dr. Parker across 8 procedure codes in 2017. Medicare paid $16,955 for them. Every service was in an office.
Dr. Parker's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 2952017: 25613%
- Lab and pathology
- 2016: 1132017: 3272%
- Imaging
- 2016: 222017: 0100%
- Tests and treatments
- 2016: 242017: 0100%
- Surgery
- 2016: 162017: 0100%
Dr. Parker compared with the New York median for internists, 2017
- Dr. Parker
- New York median
- Medicare services
- 288vs 42632% below
- Part D claims
- 193vs 62269% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Parker's most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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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. Frederick Lawrence Parker's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Parker's median patient age at 50, with 33% women.
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 50
Patient panel by sex, all payers
- Women33%
- Men62%
Source: Dmand AI Patient Panel Data
Dr. Frederick Lawrence Parker wrote 193 Medicare Part D claims in 2017
In 2017, Dr. Parker wrote 193 Medicare Part D claims. They cover 7 drugs, with $1,100 in total drug cost. In 2016, CMS named 92 claims across 5 drugs.
Dr. Parker's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 922017: 193110%
Drugs named by CMS: 7 in 2017, 5 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
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Dr. Frederick Lawrence Parker received $110 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Parker from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $110.
Companies that paid Dr. Parker the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Frederick Lawrence 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Frederick Lawrence 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. Frederick Lawrence Parker's NPI number?
Dr. Frederick Lawrence Parker's NPI number is 1437124807. It was assigned on February 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Frederick Lawrence Parker?
Dr. Frederick Lawrence Parker is an internist in Valhalla, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Frederick Lawrence Parker practice?
Dr. Parker practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Parker's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Parker to 4 medical groups.
What is Dr. Frederick Lawrence Parker's office phone number?
The practice phone on file for Dr. Parker is (914) 493-7000.
What is Dr. Frederick Lawrence Parker's medical license number?
Dr. Parker holds New York license 175332.
Which hospitals is Dr. Frederick Lawrence Parker affiliated with?
Dr. Parker practices at Westchester Medical Center in Valhalla, New York. Dr. Parker is also affiliated with Montefiore Mount Vernon.
What medical group is Dr. Frederick Lawrence Parker part of?
Dr. Parker is linked to CityMD. Dmand AI links Dr. Parker to 4 more medical groups.
Does Dr. Frederick Lawrence Parker accept Medicare?
Yes. CMS data shows Dr. Parker billed Medicare for 288 services in 2017.
What services does Dr. Frederick Lawrence Parker bill to Medicare?
In 2017, Dr. Parker's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99203).
What drugs does Dr. Frederick Lawrence Parker prescribe most?
In 2017 Medicare Part D data, Dr. Parker's most prescribed drugs by claims were Azithromycin, Prednisone and Amoxicillin.
Has Dr. Frederick Lawrence Parker received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Dr. Parker from 1 company from 2019 to 2019. The largest total came from Abbvie Inc.
How long has Dr. Frederick Lawrence Parker been practicing?
Dr. Parker's NPI was assigned in 2006.
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