Tammy L. Merrifield
- Medicare patients, 2024
- 127
- Part D claims, 2024
- 625
- Hospital affiliations
- 1
- Medical groups
- 4
- State license
- 1
- Practice address
- 1200 South Cedar Crest Boulevard, Allentown, PA 18103
- Practice phone
- Call (610) 402-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tammy Merrifield'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.
Tammy L. Merrifield is a family nurse practitioner in Allentown, Pennsylvania
Tammy Merrifield practices at Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania, part of Thomas Jefferson University.
Tammy Merrifield's NPI, 1053894543, was assigned on September 11, 2018. Tammy Merrifield holds Pennsylvania license SP019195.
- NPI
- 1053894543NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214289990
- NPI enumeration date
- September 11, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (610) 402-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy L. Merrifield practices at Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania
Tammy Merrifield's primary practice is Lehigh Valley Hospital-Cedar Crest, at 1200 South Cedar Crest Boulevard, Allentown, PA 18103 in Lehigh County. The practice phone is (610) 402-8000.
- Lehigh Valley Hospital-Cedar Crest1200 South Cedar Crest Boulevard, Allentown, PA 18103 · Lehigh CountyPhone(610) 402-8000
Source: Dmand AI Affiliation Data
Tammy L. Merrifield is affiliated with 5 sites of care and 4 medical groups
Tammy Merrifield's primary practice is Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania, part of Thomas Jefferson University. The medical group on file is Geisinger. Dmand AI also links Tammy Merrifield to 3 more medical groups, 2 group practices and clinics, 1 community health center and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tammy L. Merrifield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Merrifield practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lehigh Valley Hospital-Cedar Crest | Available with a free account |
| +4 more sites and 3 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 Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Tammy L. Merrifield is one of 5,541 family nurse practitioners in Pennsylvania
Family is Tammy Merrifield's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Tammy Merrifield is licensed in Pennsylvania.
Specialties and state licenses
- Family nurse practitioner, PennsylvaniaPrimary
Family nurse practitioners near Tammy Merrifield
Counts of family nurse practitioners 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
Tammy L. Merrifield treated 127 Medicare patients in 2024, average age 73
CMS counts 127 Medicare patients who saw Tammy Merrifield in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Merrifield's median patient age at 51, with 66% women.
Tammy Merrifield's Medicare patients by age, 2024
Tammy Merrifield's Medicare patients by sex, 2024
- Women7660%
- Men5140%
Chronic conditions among Tammy Merrifield's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease33%
- Diabetes32%
- Anxiety31%
- Chronic kidney disease27%
- COPD24%
Share of Medicare patients with each condition. A patient can have several.
Tammy Merrifield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women66%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy L. Merrifield wrote 625 Medicare Part D claims in 2024
In 2024, Tammy Merrifield wrote 625 Medicare Part D claims for 149 patients. 88% of them were for generic drugs.
Tammy Merrifield's Part D claims by kind of drug, 2024
- Generic547 claims88%
- Brand-name and other78 claims12%
Drug classes CMS tracks in Tammy Merrifield's Part D claims, 2024
- Antibiotics13%80 of 625 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Tammy L. Merrifield offers telehealth to Medicare patients
Tammy Merrifield accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tammy Merrifield as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Tammy L. Merrifield'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 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 (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) |
| 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 Tammy L. Merrifield
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tammy L. Merrifield's NPI number?
Tammy L. Merrifield's NPI number is 1053894543. It was assigned on September 11, 2018, and it is active in the NPI Registry.
What does Tammy L. Merrifield specialize in?
Tammy L. Merrifield is a family nurse practitioner in Allentown, Pennsylvania. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Tammy L. Merrifield practice?
Tammy Merrifield practices at 1200 South Cedar Crest Boulevard, Allentown, PA 18103. Tammy Merrifield's primary practice is Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Tammy Merrifield to 3 medical groups, 2 group practices and clinics, 1 community health center and 1 home health agency.
What is Tammy L. Merrifield's office phone number?
The practice phone on file for Tammy Merrifield is (610) 402-8000.
What is Tammy L. Merrifield's medical license number?
Tammy Merrifield holds Pennsylvania license SP019195.
Which hospitals is Tammy L. Merrifield affiliated with?
Tammy Merrifield practices at Lehigh Valley Hospital-Cedar Crest in Allentown, Pennsylvania.
What medical group is Tammy L. Merrifield part of?
Tammy Merrifield is linked to Geisinger. Dmand AI links Tammy Merrifield to 3 more medical groups.
Does Tammy L. Merrifield accept Medicare?
Yes. CMS lists Tammy Merrifield as accepting Medicare assignment.
Does Tammy L. Merrifield offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Tammy Merrifield as offering telehealth services.
How many Medicare patients does Tammy L. Merrifield see?
CMS counts 127 Medicare patients who saw Tammy Merrifield in 2024, with an average age of 73.
How long has Tammy L. Merrifield been practicing?
Tammy Merrifield graduated from medical school in 2018, 8 years ago.
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