Dr. Alyssa S. Herrmann, MD
- Medicare services, 2022
- 66
- Part D claims, 2022
- 12
- Hospital affiliations
- 1
- Industry payments
- $1,149
- Medical groups
- 3
- Practice address
- 22101 Moross Rd, Detroit, MI 48236
- Practice phone
- Call (313) 343-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herrmann'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. Alyssa S. Herrmann is an OB-GYN in Detroit, Michigan
Dr. Herrmann practices at Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health.
Dr. Herrmann's NPI, 1639602477, was assigned on April 8, 2017. Dr. Herrmann graduated from Albany Medical College of Union University in 2017. Dr. Herrmann holds Michigan license 4301503824.
- NPI
- 1639602477NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931477692
- NPI enumeration date
- April 8, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 343-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alyssa S. Herrmann practices at Henry Ford St. John Hospital in Detroit, Michigan
Dr. Herrmann's primary practice is Henry Ford St. John Hospital, at 22101 Moross Rd, Detroit, MI 48236 in Wayne County. The practice phone is (313) 343-4000.
- Henry Ford St. John Hospital22101 Moross Rd, Detroit, MI 48236 · Wayne CountyPhone(313) 343-4000
Source: Dmand AI Affiliation Data
Dr. Alyssa S. Herrmann is affiliated with 3 sites of care and 3 medical groups
Dr. Herrmann's primary practice is Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health. The medical group on file is Henry Ford St. John Hospital. Dmand AI also links Dr. Herrmann to 2 more group practices and clinics and 2 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. Alyssa S. Herrmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herrmann practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henry Ford St. John Hospital | Available with a free account |
| +2 more sites and 2 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 Henry Ford Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alyssa S. Herrmann is one of 1,457 OB-GYNs in Michigan
Obstetrics and gynecology is Dr. Herrmann's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Herrmann is licensed in Michigan.
Specialties and state licenses
- Obstetrics and gynecology, MichiganPrimary
OB-GYNs near Dr. Herrmann
Counts of OB-GYNs 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. Alyssa S. Herrmann billed Medicare for 66 services in 2022
CMS data shows 66 Medicare services from Dr. Herrmann across 4 procedure codes in 2022. Medicare paid $2,889 for them. Every service was in an office.
Dr. Herrmann's Medicare services by type, 2022
- Office and hospital visits31
- Lab and pathology24
- Other services11
Dr. Herrmann compared with the Michigan median for OB-GYNs, 2022
- Dr. Herrmann
- Michigan median
- Medicare services
- 66vs 3778% above
- Part D claims
- 12vs 3868% below
Medians across 1,227 OB-GYNs in Michigan with Dmand AI profiles that report each measure.
Dr. Herrmann's most billed Medicare procedure codes, 2022
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. Herrmann?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herrmann and other OB-GYNs in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alyssa S. Herrmann's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Herrmann's median patient age at 32, with 100% women.
Dr. Herrmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Alyssa S. Herrmann wrote 12 Medicare Part D claims in 2022
In 2022, Dr. Herrmann wrote 12 Medicare Part D claims. They cover 1 drug, with $3,487 in total drug cost. In 2019, CMS named 46 claims across 2 drugs.
Dr. Herrmann's most prescribed drugs by claims, 2022
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, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 462022: 1274%
Drugs named by CMS: 1 in 2022, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Alyssa S. Herrmann takes part in Medicare
Dr. Herrmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Alyssa S. Herrmann received $1,149 in industry payments from 2021 to 2023
CMS Open Payments shows 22 general payments to Dr. Herrmann from 10 drug and device companies from 2021 to 2023. Food and beverage make up the largest share, 72% of the total. Medical Device Business Services, Inc. paid the most, $325.
General payments to Dr. Herrmann by program year, 2021 to 2023
General payments to Dr. Herrmann by kind, 2021 to 2023
- Food and beverage$82472%
- Education$32528%
Companies that paid Dr. Herrmann the most, 2021 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alyssa S. Herrmann graduated from Albany Medical College of Union University
Dr. Herrmann graduated from Albany Medical College of Union University in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alyssa S. Herrmann'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) |
| 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 |
| 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. Alyssa S. Herrmann
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. Alyssa S. Herrmann's NPI number?
Dr. Alyssa S. Herrmann's NPI number is 1639602477. It was assigned on April 8, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Alyssa S. Herrmann?
Dr. Alyssa S. Herrmann is an OB-GYN in Detroit, Michigan. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Alyssa S. Herrmann practice?
Dr. Herrmann practices at 22101 Moross Rd, Detroit, MI 48236. Dr. Herrmann's primary practice is Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Herrmann to 2 group practices and clinics and 2 medical groups.
What is Dr. Alyssa S. Herrmann's office phone number?
The practice phone on file for Dr. Herrmann is (313) 343-4000.
What is Dr. Alyssa S. Herrmann's medical license number?
Dr. Herrmann holds Michigan license 4301503824.
Which hospitals is Dr. Alyssa S. Herrmann affiliated with?
Dr. Herrmann practices at Henry Ford St. John Hospital in Detroit, Michigan.
What medical group is Dr. Alyssa S. Herrmann part of?
Dr. Herrmann is linked to Henry Ford St. John Hospital. Dmand AI links Dr. Herrmann to 2 more medical groups.
Does Dr. Alyssa S. Herrmann accept Medicare?
Yes. CMS data shows Dr. Herrmann billed Medicare for 66 services in 2022, and Dr. Herrmann accepts Medicare assignment.
What services does Dr. Alyssa S. Herrmann bill to Medicare?
In 2022, Dr. Herrmann's most billed Medicare services were lab and pathology test (81002), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Alyssa S. Herrmann go to medical school?
Dr. Herrmann graduated from Albany Medical College of Union University in 2017.
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What drugs does Dr. Alyssa S. Herrmann prescribe most?
In 2022 Medicare Part D data, Dr. Herrmann's most prescribed drugs by claims were Imvexxy.
Has Dr. Alyssa S. Herrmann received payments from drug or device companies?
CMS Open Payments shows $1,149 in general payments to Dr. Herrmann from 10 companies from 2021 to 2023. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Alyssa S. Herrmann been practicing?
Dr. Herrmann graduated from medical school in 2017, 9 years ago.
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