Active NPI 1114924610 Individual Practitioner Male Practitioner

Dr. John L Diedrich , MD

Internal Medicine • Petoskey, MI

Professional Overview & Biography Verified Profile Summary

Dr. John Diedrich, MD is a registered healthcare professional specializing in Internal Medicine in Petoskey, MI. Practice services are available at 560 W MITCHELL ST under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

560 W Mitchell St

Petoskey, MI 497702278

Telephone 2314872460

Fax 2314876596

Associated Practice Facility / Clinic

🏢 Internal Medicine Of Northern Michigan Pllc Facility NPI 1467420901

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Petoskey, MI

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 22.0 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

20 Specialists

Practicing in Petoskey, MI (6010 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

50.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	704	347	$70.90	$50.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	351	316	$106.68	$77.59
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	122	122	$212.25	$112.51
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	30	16	$16.90	$9.13
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	19	17	$192.81	$51.50
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	13	13	$26.24	$8.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	969	382	$10.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	881	395	$138.62	$66.68
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	455	326	$26.00	$9.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	433	382	$205.56	$99.64
85610 Blood test, clotting time	330	34	$14.00	$4.75
83036 Hemoglobin A1C level	319	213	$34.00	$11.75
80053 Blood test, comprehensive group of blood chemicals	286	273	$36.00	$12.78
80061 Blood test, lipids (cholesterol and triglycerides)	210	210	$45.00	$16.20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	182	182	$168.69	$111.92
80048 Blood test, basic group of blood chemicals (calcium, total)	119	94	$30.00	$10.23
84443 Blood test, thyroid stimulating hormone (TSH)	94	85	$59.00	$20.33
82565 Blood creatinine level	86	65	$17.00	$6.20
84520 Urea nitrogen level to assess kidney function	83	62	$13.00	$4.78
80051 Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide)	82	60	$16.00	$8.49
G0103 Prostate cancer screening; prostate specific antigen test (psa)	70	70	$64.00	$22.26
82947 Blood glucose (sugar) level	69	58	$13.00	$4.75
G0008 Administration of influenza virus vaccine	61	61	$35.00	$19.33
90756 Vaccine for influenza for injection into muscle	61	61	$25.00	$22.33
93000 Routine ekg using at least 12 leads including interpretation and report	50	47	$72.00	$15.89
81001 Manual urinalysis test with examination using microscope, automated	41	36	$11.00	$3.84
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	40	22	$34.50	$17.57
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	33	26	$137.55	$51.56
82607 Cyanocobalamin (vitamin B-12) level	25	23	$53.50	$18.24
84153 Psa (prostate specific antigen) measurement, total	22	21	$64.00	$22.26
84439 Thyroxine (thyroid chemical), free	18	14	$32.00	$10.91
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	18	18	$245.33	$165.29
82550 Creatine kinase (cardiac enzyme) level, total	16	15	$38.00	$7.88
82465 Cholesterol level	13	13	$16.00	$5.26
83721 Ldl cholesterol level	12	12	$35.00	$11.54
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$265.94	$155.97
G0009 Administration of pneumococcal vaccine	11	11	$35.00	$19.33
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$120.00	$105.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	1,349	439	$10.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	977	430	$116.07	$69.71
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	688	397	$26.00	$10.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	512	406	$170.55	$103.04
85610 Blood test, clotting time	457	42	$14.00	$5.28
80053 Blood test, comprehensive group of blood chemicals	415	356	$36.00	$11.82
83036 Hemoglobin A1C level	391	224	$34.00	$13.02
80061 Blood test, lipids (cholesterol and triglycerides)	277	276	$45.00	$13.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	172	172	$160.00	$110.58
80048 Blood test, basic group of blood chemicals (calcium, total)	161	125	$30.00	$11.26
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	132	132	$20.00	$17.35
G0008 Administration of influenza virus vaccine	131	131	$34.20	$23.79
84443 Blood test, thyroid stimulating hormone (TSH)	121	108	$59.00	$22.59
82947 Blood glucose (sugar) level	116	97	$13.00	$4.91
82565 Blood creatinine level	96	61	$17.00	$2.54
G0103 Prostate cancer screening; prostate specific antigen test (psa)	93	93	$64.00	$24.73
80051 Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide)	89	53	$16.00	$2.17
84520 Urea nitrogen level to assess kidney function	88	53	$13.00	$1.77
93000 Routine ekg using at least 12 leads including interpretation and report	82	77	$65.85	$16.15
82607 Cyanocobalamin (vitamin B-12) level	56	52	$53.50	$20.27
81001 Manual urinalysis test with examination using microscope, automated	55	48	$11.00	$4.26
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	26	22	$119.19	$51.39
84153 Psa (prostate specific antigen) measurement, total	25	25	$64.00	$24.73
82465 Cholesterol level	23	23	$16.00	$4.48
83721 Ldl cholesterol level	23	23	$35.00	$12.83
80076 Liver function blood test panel	22	22	$16.00	$5.93
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	21	21	$237.00	$163.80
99495 Transitional care management services for problem of at least moderate complexity	20	19	$241.00	$156.04
82550 Creatine kinase (cardiac enzyme) level, total	20	17	$38.00	$6.36
84439 Thyroxine (thyroid chemical), free	18	15	$32.00	$12.12
84550 Uric acid level, blood	14	13	$17.00	$4.15
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	13	11	$13.00	$4.77
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$120.00	$94.86
G0009 Administration of pneumococcal vaccine	13	13	$31.15	$23.79
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$261.00	$159.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$279.00	$158.57
82043 Urine microalbumin (protein) level	11	11	$19.00	$7.56
82570 Creatinine level to test for kidney function or muscle injury	11	11	$17.00	$6.24

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI 4301044782

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

104085688 (MI)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

11 Associated Practitioners

Jennifer Pletcher , PA-C

Physician Assistant

NPI 1023858867

Physician Assistant (Certified)

Kristi Dipzinski , NP-C

Nurse Practitioner - Adult Health

NPI 1053728840

Nurse Practitioner (Certified)

Dr. Vira Heise , MD

Internal Medicine

NPI 1073581450

Doctor of Medicine (M.D.)

Dr. Melanie Manary , MD

Internal Medicine

NPI 1437156940

Doctor of Medicine (M.D.)

Dr. Paul Blanchard , MD

Internal Medicine

NPI 1588661086

Doctor of Medicine (M.D.)

Tammy Broz , FNP-BC

Nurse Practitioner - Family

NPI 1609392802

Family Nurse Practitioner (Board Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 560 W MITCHELL ST, PETOSKEY, MI 497702278 (Tel: 2314872460)

📍

Updated Business Mailing Address July 08, 2007

Registered at 560 W MITCHELL ST, PETOSKEY, MI 497702278 (Tel: 2314872460)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN DIEDRICH, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #4301044782 in MI)

🟢

Initial NPI Registration & Enumeration June 30, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1114924610

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 30, 2005

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

560 W Mitchell St

Petoskey, MI 497702278

Phone: 2314872460

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.