Lynn A Gregory , FNP-BC
Nurse Practitioner • Ann Arbor, MI
1500 E Medical Center Dr, Floor 3
Ann Arbor, MI 481095856
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on July 16, 2008; this date does not establish years in practice.
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Published CMS data list 18 Original Medicare Part B services in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Published rows only; this is not a quality measure.
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Published Part B service records, 2018:
- 99215 — Established patient outpatient office visit: 18 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2017 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2018). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Published CMS data list 216 Medicare Part D prescriptions, including refills, in 2016.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2016. Published rows only; this is not a quality measure.
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Published Part D records, 2016:
- Simvastatin — 51 prescription fills, including refills.
- Lisinopril — 25 prescription fills, including refills.
- Hydrochlorothiazide — 21 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2016. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 11 records in the table · Guide: How to read Medicare Part D prescriber data
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Medicare Part B services went from 47 in 2017 to 18 in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2018.
Practice Location & Contact Primary Location
1500 E Medical Center Dr
Floor 3
Ann Arbor, MI 481095856
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
20 people with Original Medicare in 2018
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2018.
Medicare-allowed amount
About $1,602 in 2018
The total amount Medicare approved for these services in 2018. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018.
Paid by Medicare
About $1,009 in 2018
The part of the Medicare-allowed amount that Medicare itself paid in 2018, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018.
30-day fills
424 standardized 30-day fills in 2016
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$3,288 in 2016
The total cost of these prescriptions in 2016, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2016.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $108.11 in 2024
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2024.
NPI first issued
2008
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Ann Arbor and Michigan
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Lynn Gregory are from 2018.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Lynn Gregory are from 2016.
704 active clinicians are listed under Nurse Practitioner with a practice address in Ann Arbor, MI (3,594 in Michigan).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Ann Arbor
19.2% of these 704 clinicians have the CMS telehealth indicator.
45.3% of these 704 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 62% from 47 in 2017 to 18 in 2018.
- 2017: 47
- 2018: 18
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Medicare-allowed amount
Medicare-allowed amount decreased 60% from $3,979 in 2017 to $1,602 in 2018.
- 2017: $3,979
- 2018: $1,602
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Paid by Medicare
Paid by Medicare decreased 63% from $2,745 in 2017 to $1,009 in 2018.
- 2017: $2,745
- 2018: $1,009
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 170% from 80 in 2014 to 216 in 2016.
- 2014: 80
- 2015: 345
- 2016: 216
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30-day fills
30-day fills increased 118% from 194 in 2014 to 424 in 2016.
- 2014: 194
- 2015: 738
- 2016: 424
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Part D drug cost
Part D drug cost increased 173% from $1,205 in 2014 to $3,288 in 2016.
- 2014: $1,205
- 2015: $10,065
- 2016: $3,288
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Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2024 only.
Sources: CMS Medicare Physician & Other Practitioners (2018), CMS Medicare Part D Prescribers (2016), CMS Open Payments (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2024 (payments made January 1 – December 31, 2024): fewer than 11 records totaling $108.11.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Radius Health, Inc. |
Food and Beverage
In-kind items and services
|
Tymlos | General | $108.11 |
Source: CMS Open Payments, program year 2024, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2017 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2018; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99215
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
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18 | 17 | $158.78 | $89.02 |
Source: CMS Part B by Provider and Service, 2018; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2016.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Simvastatin | Simvastatin | 51 | 2,476 | $440.99 | 12 |
| Lisinopril | Lisinopril | 25 | 1,476 | $277.91 | — |
| Hydrochlorothiazide | Hydrochlorothiazide | 21 | 1,228 | $108.14 | — |
| Atorvastatin Calcium | Atorvastatin Calcium | 19 | 1,230 | $569.37 | — |
| Losartan Potassium | Losartan Potassium | 17 | 1,110 | $276.37 | — |
| Donepezil Hcl | Donepezil Hcl | 16 | 726 | $249.45 | — |
| Amlodipine Besylate | Amlodipine Besylate | 15 | 1,350 | $164.59 | — |
| Levothyroxine Sodium | Levothyroxine Sodium | 14 | 1,260 | $320.50 | — |
| Metformin Hcl | Metformin Hcl | 14 | 1,080 | $133.92 | — |
| Atenolol | Atenolol | 12 | 366 | $95.41 | — |
| Memantine Hcl | Memantine Hcl | 12 | 365 | $651.77 | — |
Source: CMS Part D by Provider and Drug, 2016; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
NUCC Taxonomy Code: 363LF0000X
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner - Primary Care
Nurse Practitioner
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Nurse Practitioner - Primary Care
Nurse Practitioner
Physician Assistant
Physician Assistant (Certified)
Nurse Practitioner
Nurse Practitioner
Career & Practice History
NPI enumerated July 16, 2008.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.
NPI Administrative Meta
Other Nurse Practitioners in Ann Arbor
- Eva Kline-Rogers, NP
- Jesse Spalding
- Heather Lollar, AGACNP-BC, FNP-BC
- Jessica Kanaan, NP
- Robert Poskie, NP
- Sara West, NP
Mailing Address
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108
Phone: 7349362047