Dr. Alan Mark Gruenberg, MD
- Part D claims, 2024
- 718
- Hospital affiliations
- 1
- Industry payments
- $1,260
- Medical group
- 1
- State license
- 1
- Practice address
- 169 Martin Avenue, Ephrata, PA 17522
- Practice phone
- Call (717) 733-0311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gruenberg'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. Alan Mark Gruenberg is a psychiatrist in Ephrata, Pennsylvania
Dr. Gruenberg practices at WellSpan Ephrata Community Hospital in Ephrata, Pennsylvania, part of WellSpan Health.
Dr. Gruenberg's NPI, 1558409011, was assigned on February 4, 2007. Dr. Gruenberg holds Pennsylvania license MD 034523-E.
- NPI
- 1558409011NPI Registry (opens in a new tab)
- NPI enumeration date
- February 4, 2007
- NPI status
- Active
- Practice phone
- (717) 733-0311
- 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. Alan Mark Gruenberg practices at WellSpan Ephrata Community Hospital in Ephrata, Pennsylvania
Dr. Gruenberg's primary practice is WellSpan Ephrata Community Hospital, at 169 Martin Avenue, Ephrata, PA 17522 in Lancaster County. The practice phone is (717) 733-0311.
- WellSpan Ephrata Community Hospital169 Martin Avenue, Ephrata, PA 17522 · Lancaster CountyPhone(717) 733-0311
Source: Dmand AI Affiliation Data
Dr. Alan Mark Gruenberg is affiliated with 3 sites of care and 1 medical group
Dr. Gruenberg's primary practice is WellSpan Ephrata Community Hospital in Ephrata, Pennsylvania, part of WellSpan Health. Dmand AI also links Dr. Gruenberg to 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group, 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. Alan Mark Gruenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gruenberg practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WellSpan Ephrata Community Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan Mark Gruenberg is one of 1,873 psychiatrists in Pennsylvania
Psychiatry is Dr. Gruenberg's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Gruenberg is licensed in Pennsylvania.
Specialties and state licenses
- Psychiatry, PennsylvaniaPrimary
Psychiatrists near Dr. Gruenberg
Counts of psychiatrists 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. Alan Mark Gruenberg's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Gruenberg's median patient age at 60, with 50% women.
Dr. Gruenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Alan Mark Gruenberg wrote 718 Medicare Part D claims in 2024
In 2024, Dr. Gruenberg wrote 718 Medicare Part D claims for 60 patients. 90% of them were for generic drugs. CMS names the drug for 572 of them, across 21 drugs with 11 or more claims each, at $33,875 in total drug cost. In 2023, CMS named 597 claims across 21 drugs.
Dr. Gruenberg's Part D claims by kind of drug, 2024
- Generic647 claims90%
- Brand-name71 claims10%
Dr. Gruenberg'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. Gruenberg's Part D claims, 2024
- Antipsychotics, patients 65 and over4%32 of 718 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: 5972024: 5724%
Drugs named by CMS: 21 in 2024, 21 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
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Dr. Alan Mark Gruenberg received $1,260 in industry payments from 2017 to 2025
CMS Open Payments shows 23 general payments to Dr. Gruenberg from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 92% of the total. Abbvie Inc. paid the most, $566.
General payments to Dr. Gruenberg by program year, 2017 to 2025
General payments to Dr. Gruenberg by kind, 2017 to 2025
- Food and beverage$1,16092%
- Education$1008%
Companies that paid Dr. Gruenberg the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alan Mark Gruenberg'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 Data |
| 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) |
| 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. Alan Mark Gruenberg
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. Alan Mark Gruenberg's NPI number?
Dr. Alan Mark Gruenberg's NPI number is 1558409011. It was assigned on February 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan Mark Gruenberg?
Dr. Alan Mark Gruenberg is a psychiatrist in Ephrata, Pennsylvania. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Alan Mark Gruenberg practice?
Dr. Gruenberg practices at 169 Martin Avenue, Ephrata, PA 17522. Dr. Gruenberg's primary practice is WellSpan Ephrata Community Hospital in Ephrata, Pennsylvania, part of WellSpan Health. Dmand AI also links Dr. Gruenberg to 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Alan Mark Gruenberg's office phone number?
The practice phone on file for Dr. Gruenberg is (717) 733-0311.
What is Dr. Alan Mark Gruenberg's medical license number?
Dr. Gruenberg holds Pennsylvania license MD 034523-E.
Which hospitals is Dr. Alan Mark Gruenberg affiliated with?
Dr. Gruenberg practices at WellSpan Ephrata Community Hospital in Ephrata, Pennsylvania.
What drugs does Dr. Alan Mark Gruenberg prescribe most?
In 2024 Medicare Part D data, Dr. Gruenberg's most prescribed drugs by claims were Clonazepam, Lorazepam and Sertraline HCl.
Has Dr. Alan Mark Gruenberg received payments from drug or device companies?
CMS Open Payments shows $1,260 in general payments to Dr. Gruenberg from 6 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Alan Mark Gruenberg been practicing?
Dr. Gruenberg's NPI was assigned in 2007.
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